14.92/7.69 YES 14.92/7.69 14.92/7.70 Ultimate: Cannot open display: 14.92/7.70 This is Ultimate 0.1.24-8dc7c08-m 14.92/7.70 [2019-03-29 01:55:28,900 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.92/7.70 [2019-03-29 01:55:28,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.92/7.70 [2019-03-29 01:55:28,914 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.92/7.70 [2019-03-29 01:55:28,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.92/7.70 [2019-03-29 01:55:28,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.92/7.70 [2019-03-29 01:55:28,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.92/7.70 [2019-03-29 01:55:28,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.92/7.70 [2019-03-29 01:55:28,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.92/7.70 [2019-03-29 01:55:28,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.92/7.70 [2019-03-29 01:55:28,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.92/7.70 [2019-03-29 01:55:28,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.92/7.70 [2019-03-29 01:55:28,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.92/7.70 [2019-03-29 01:55:28,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.92/7.70 [2019-03-29 01:55:28,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.92/7.70 [2019-03-29 01:55:28,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.92/7.70 [2019-03-29 01:55:28,931 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.92/7.70 [2019-03-29 01:55:28,932 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.92/7.70 [2019-03-29 01:55:28,933 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.92/7.70 [2019-03-29 01:55:28,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.92/7.70 [2019-03-29 01:55:28,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.92/7.70 [2019-03-29 01:55:28,938 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.92/7.70 [2019-03-29 01:55:28,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.92/7.70 [2019-03-29 01:55:28,939 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.92/7.70 [2019-03-29 01:55:28,940 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.92/7.70 [2019-03-29 01:55:28,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.92/7.70 [2019-03-29 01:55:28,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.92/7.70 [2019-03-29 01:55:28,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.92/7.70 [2019-03-29 01:55:28,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.92/7.70 [2019-03-29 01:55:28,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.92/7.70 [2019-03-29 01:55:28,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.92/7.70 [2019-03-29 01:55:28,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.92/7.70 [2019-03-29 01:55:28,946 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.92/7.70 [2019-03-29 01:55:28,961 INFO L110 SettingsManager]: Loading preferences was successful 14.92/7.70 [2019-03-29 01:55:28,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.92/7.70 [2019-03-29 01:55:28,962 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.92/7.70 [2019-03-29 01:55:28,963 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.92/7.70 [2019-03-29 01:55:28,963 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.92/7.70 [2019-03-29 01:55:28,963 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.92/7.70 [2019-03-29 01:55:28,963 INFO L133 SettingsManager]: * Use SBE=true 14.92/7.70 [2019-03-29 01:55:28,963 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Use old map elimination=false 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.92/7.70 [2019-03-29 01:55:28,964 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.92/7.70 [2019-03-29 01:55:28,965 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:28,965 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.92/7.70 [2019-03-29 01:55:28,965 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.92/7.70 [2019-03-29 01:55:28,965 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.92/7.70 [2019-03-29 01:55:28,965 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.92/7.70 [2019-03-29 01:55:28,966 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.92/7.70 [2019-03-29 01:55:28,966 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.92/7.70 [2019-03-29 01:55:28,966 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.92/7.70 [2019-03-29 01:55:28,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.92/7.70 [2019-03-29 01:55:28,966 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.92/7.70 [2019-03-29 01:55:28,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.92/7.70 [2019-03-29 01:55:28,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.92/7.70 [2019-03-29 01:55:28,967 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.92/7.70 [2019-03-29 01:55:28,967 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.92/7.70 [2019-03-29 01:55:28,967 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.92/7.70 [2019-03-29 01:55:28,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.92/7.70 [2019-03-29 01:55:29,009 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.92/7.70 [2019-03-29 01:55:29,013 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.92/7.70 [2019-03-29 01:55:29,014 INFO L271 PluginConnector]: Initializing CDTParser... 14.92/7.70 [2019-03-29 01:55:29,015 INFO L276 PluginConnector]: CDTParser initialized 14.92/7.70 [2019-03-29 01:55:29,016 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.92/7.70 [2019-03-29 01:55:29,128 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/a5eb4e692f13459085050097dc44dede/FLAG4ebd9e1d9 14.92/7.70 [2019-03-29 01:55:29,474 INFO L307 CDTParser]: Found 1 translation units. 14.92/7.70 [2019-03-29 01:55:29,475 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.92/7.70 [2019-03-29 01:55:29,482 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/a5eb4e692f13459085050097dc44dede/FLAG4ebd9e1d9 14.92/7.70 [2019-03-29 01:55:29,880 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/a5eb4e692f13459085050097dc44dede 14.92/7.70 [2019-03-29 01:55:29,892 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.92/7.70 [2019-03-29 01:55:29,893 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.92/7.70 [2019-03-29 01:55:29,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.92/7.70 [2019-03-29 01:55:29,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.92/7.70 [2019-03-29 01:55:29,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.92/7.70 [2019-03-29 01:55:29,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:29" (1/1) ... 14.92/7.70 [2019-03-29 01:55:29,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6dc256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:29, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:29,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:29" (1/1) ... 14.92/7.70 [2019-03-29 01:55:29,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.92/7.70 [2019-03-29 01:55:29,927 INFO L176 MainTranslator]: Built tables and reachable declarations 14.92/7.70 [2019-03-29 01:55:30,084 INFO L206 PostProcessor]: Analyzing one entry point: main 14.92/7.70 [2019-03-29 01:55:30,088 INFO L191 MainTranslator]: Completed pre-run 14.92/7.70 [2019-03-29 01:55:30,105 INFO L206 PostProcessor]: Analyzing one entry point: main 14.92/7.70 [2019-03-29 01:55:30,120 INFO L195 MainTranslator]: Completed translation 14.92/7.70 [2019-03-29 01:55:30,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30 WrapperNode 14.92/7.70 [2019-03-29 01:55:30,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.92/7.70 [2019-03-29 01:55:30,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.92/7.70 [2019-03-29 01:55:30,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.92/7.70 [2019-03-29 01:55:30,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.92/7.70 [2019-03-29 01:55:30,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.92/7.70 [2019-03-29 01:55:30,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.92/7.70 [2019-03-29 01:55:30,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.92/7.70 [2019-03-29 01:55:30,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.92/7.70 [2019-03-29 01:55:30,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.92/7.70 [2019-03-29 01:55:30,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.92/7.70 [2019-03-29 01:55:30,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.92/7.70 [2019-03-29 01:55:30,244 INFO L276 PluginConnector]: RCFGBuilder initialized 14.92/7.70 [2019-03-29 01:55:30,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (1/1) ... 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.92/7.70 [2019-03-29 01:55:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.92/7.70 [2019-03-29 01:55:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.92/7.70 [2019-03-29 01:55:30,453 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.92/7.70 [2019-03-29 01:55:30,453 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.92/7.70 [2019-03-29 01:55:30,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:30 BoogieIcfgContainer 14.92/7.70 [2019-03-29 01:55:30,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.92/7.70 [2019-03-29 01:55:30,456 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.92/7.70 [2019-03-29 01:55:30,456 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.92/7.70 [2019-03-29 01:55:30,458 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.92/7.70 [2019-03-29 01:55:30,459 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:30" (1/1) ... 14.92/7.70 [2019-03-29 01:55:30,475 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.92/7.70 [2019-03-29 01:55:30,477 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.92/7.70 [2019-03-29 01:55:30,478 INFO L263 BlockEncoder]: Using Maximize final states 14.92/7.70 [2019-03-29 01:55:30,478 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.92/7.70 [2019-03-29 01:55:30,478 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.92/7.70 [2019-03-29 01:55:30,480 INFO L296 BlockEncoder]: Using Remove sink states 14.92/7.70 [2019-03-29 01:55:30,481 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.92/7.70 [2019-03-29 01:55:30,482 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.92/7.70 [2019-03-29 01:55:30,496 INFO L185 BlockEncoder]: Using Use SBE 14.92/7.70 [2019-03-29 01:55:30,504 INFO L200 BlockEncoder]: SBE split 0 edges 14.92/7.70 [2019-03-29 01:55:30,509 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.92/7.70 [2019-03-29 01:55:30,511 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.92/7.70 [2019-03-29 01:55:30,525 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.92/7.70 [2019-03-29 01:55:30,528 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.92/7.70 [2019-03-29 01:55:30,529 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.92/7.70 [2019-03-29 01:55:30,529 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.92/7.70 [2019-03-29 01:55:30,529 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.92/7.70 [2019-03-29 01:55:30,530 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.92/7.70 [2019-03-29 01:55:30,530 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.92/7.70 [2019-03-29 01:55:30,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:30 BasicIcfg 14.92/7.70 [2019-03-29 01:55:30,531 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.92/7.70 [2019-03-29 01:55:30,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.92/7.70 [2019-03-29 01:55:30,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.92/7.70 [2019-03-29 01:55:30,535 INFO L276 PluginConnector]: TraceAbstraction initialized 14.92/7.70 [2019-03-29 01:55:30,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:55:29" (1/4) ... 14.92/7.70 [2019-03-29 01:55:30,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d49ed61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (2/4) ... 14.92/7.70 [2019-03-29 01:55:30,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d49ed61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:30" (3/4) ... 14.92/7.70 [2019-03-29 01:55:30,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d49ed61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:30" (4/4) ... 14.92/7.70 [2019-03-29 01:55:30,539 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.92/7.70 [2019-03-29 01:55:30,549 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.92/7.70 [2019-03-29 01:55:30,556 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.92/7.70 [2019-03-29 01:55:30,574 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.92/7.70 [2019-03-29 01:55:30,603 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.92/7.70 [2019-03-29 01:55:30,604 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.92/7.70 [2019-03-29 01:55:30,604 INFO L383 AbstractCegarLoop]: Hoare is true 14.92/7.70 [2019-03-29 01:55:30,604 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.92/7.70 [2019-03-29 01:55:30,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.92/7.70 [2019-03-29 01:55:30,605 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.92/7.70 [2019-03-29 01:55:30,605 INFO L387 AbstractCegarLoop]: Difference is false 14.92/7.70 [2019-03-29 01:55:30,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.92/7.70 [2019-03-29 01:55:30,605 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.92/7.70 [2019-03-29 01:55:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.92/7.70 [2019-03-29 01:55:30,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.92/7.70 [2019-03-29 01:55:30,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.92/7.70 [2019-03-29 01:55:30,678 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: true 14.92/7.70 [2019-03-29 01:55:30,678 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.92/7.70 [2019-03-29 01:55:30,678 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. 14.92/7.70 [2019-03-29 01:55:30,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:30 BasicIcfg 14.92/7.70 [2019-03-29 01:55:30,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.92/7.70 [2019-03-29 01:55:30,687 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.92/7.70 [2019-03-29 01:55:30,687 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.92/7.70 [2019-03-29 01:55:30,691 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.92/7.70 [2019-03-29 01:55:30,692 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.70 [2019-03-29 01:55:30,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:55:29" (1/5) ... 14.92/7.70 [2019-03-29 01:55:30,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5c3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,693 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.70 [2019-03-29 01:55:30,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:30" (2/5) ... 14.92/7.70 [2019-03-29 01:55:30,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5c3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,693 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.70 [2019-03-29 01:55:30,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:30" (3/5) ... 14.92/7.70 [2019-03-29 01:55:30,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5c3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,694 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.70 [2019-03-29 01:55:30,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:30" (4/5) ... 14.92/7.70 [2019-03-29 01:55:30,695 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67a5c3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:30, skipping insertion in model container 14.92/7.70 [2019-03-29 01:55:30,695 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.70 [2019-03-29 01:55:30,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:30" (5/5) ... 14.92/7.70 [2019-03-29 01:55:30,696 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.92/7.70 [2019-03-29 01:55:30,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.92/7.70 [2019-03-29 01:55:30,724 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.92/7.70 [2019-03-29 01:55:30,724 INFO L375 BuchiCegarLoop]: Hoare is true 14.92/7.70 [2019-03-29 01:55:30,724 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.92/7.70 [2019-03-29 01:55:30,724 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.92/7.70 [2019-03-29 01:55:30,724 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.92/7.70 [2019-03-29 01:55:30,724 INFO L379 BuchiCegarLoop]: Difference is false 14.92/7.70 [2019-03-29 01:55:30,724 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.92/7.70 [2019-03-29 01:55:30,725 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.92/7.70 [2019-03-29 01:55:30,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.92/7.70 [2019-03-29 01:55:30,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.92/7.70 [2019-03-29 01:55:30,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.70 [2019-03-29 01:55:30,745 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.70 [2019-03-29 01:55:30,750 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.70 [2019-03-29 01:55:30,751 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.92/7.70 [2019-03-29 01:55:30,751 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.92/7.70 [2019-03-29 01:55:30,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.92/7.70 [2019-03-29 01:55:30,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.92/7.70 [2019-03-29 01:55:30,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.70 [2019-03-29 01:55:30,752 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.70 [2019-03-29 01:55:30,752 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.70 [2019-03-29 01:55:30,752 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.92/7.70 [2019-03-29 01:55:30,757 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 4#L19-2true 14.92/7.70 [2019-03-29 01:55:30,758 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [29] L19-2-->L19: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 5#L19true [34] L19-->L19-2: Formula: (and (>= 0 v_ULTIMATE.start_main_~j~0_9) (= v_ULTIMATE.start_main_~j~0_8 v_ULTIMATE.start_main_~N~0_6) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (- 1)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 4#L19-2true 14.92/7.70 [2019-03-29 01:55:30,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:30,764 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:30,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:30,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:30,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:30,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:30,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:30,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:30,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:30,852 INFO L82 PathProgramCache]: Analyzing trace with hash 54749, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:30,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:30,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:30,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:30,908 INFO L216 LassoAnalysis]: Preferences: 14.92/7.70 [2019-03-29 01:55:30,909 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.70 [2019-03-29 01:55:30,909 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.70 [2019-03-29 01:55:30,909 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.70 [2019-03-29 01:55:30,910 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.92/7.70 [2019-03-29 01:55:30,910 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:30,910 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.70 [2019-03-29 01:55:30,910 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.70 [2019-03-29 01:55:30,910 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.92/7.70 [2019-03-29 01:55:30,911 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.70 [2019-03-29 01:55:30,911 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.70 [2019-03-29 01:55:30,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:30,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:30,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:30,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,079 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.70 [2019-03-29 01:55:31,080 INFO L412 LassoAnalysis]: Checking for nontermination... 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,087 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,088 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,121 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.92/7.70 [2019-03-29 01:55:31,121 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,128 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,129 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,157 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.92/7.70 [2019-03-29 01:55:31,157 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: [] 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,163 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,196 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,196 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,228 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.92/7.70 [2019-03-29 01:55:31,230 INFO L216 LassoAnalysis]: Preferences: 14.92/7.70 [2019-03-29 01:55:31,230 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.70 [2019-03-29 01:55:31,230 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.70 [2019-03-29 01:55:31,230 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.70 [2019-03-29 01:55:31,230 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.92/7.70 [2019-03-29 01:55:31,231 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,231 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.70 [2019-03-29 01:55:31,231 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.70 [2019-03-29 01:55:31,231 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.92/7.70 [2019-03-29 01:55:31,231 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.70 [2019-03-29 01:55:31,231 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.70 [2019-03-29 01:55:31,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,337 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.70 [2019-03-29 01:55:31,343 INFO L497 LassoAnalysis]: Using template 'affine'. 14.92/7.70 [2019-03-29 01:55:31,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.70 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.70 Number of strict supporting invariants: 0 14.92/7.70 Number of non-strict supporting invariants: 1 14.92/7.70 Consider only non-deceasing supporting invariants: true 14.92/7.70 Simplify termination arguments: true 14.92/7.70 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.70 [2019-03-29 01:55:31,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.70 [2019-03-29 01:55:31,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.70 [2019-03-29 01:55:31,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.70 [2019-03-29 01:55:31,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.70 [2019-03-29 01:55:31,352 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.92/7.70 [2019-03-29 01:55:31,352 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.92/7.70 [2019-03-29 01:55:31,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.92/7.70 [2019-03-29 01:55:31,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.70 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.70 Number of strict supporting invariants: 0 14.92/7.70 Number of non-strict supporting invariants: 1 14.92/7.70 Consider only non-deceasing supporting invariants: true 14.92/7.70 Simplify termination arguments: true 14.92/7.70 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.70 [2019-03-29 01:55:31,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.70 [2019-03-29 01:55:31,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.70 [2019-03-29 01:55:31,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.70 [2019-03-29 01:55:31,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.70 [2019-03-29 01:55:31,366 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.92/7.70 [2019-03-29 01:55:31,366 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.92/7.70 [2019-03-29 01:55:31,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.92/7.70 [2019-03-29 01:55:31,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.70 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.70 Number of strict supporting invariants: 0 14.92/7.70 Number of non-strict supporting invariants: 1 14.92/7.70 Consider only non-deceasing supporting invariants: true 14.92/7.70 Simplify termination arguments: true 14.92/7.70 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.70 [2019-03-29 01:55:31,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.70 [2019-03-29 01:55:31,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.92/7.70 [2019-03-29 01:55:31,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.70 [2019-03-29 01:55:31,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.70 [2019-03-29 01:55:31,377 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.70 [2019-03-29 01:55:31,378 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.92/7.70 [2019-03-29 01:55:31,378 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.92/7.70 [2019-03-29 01:55:31,384 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.92/7.70 [2019-03-29 01:55:31,388 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.92/7.70 [2019-03-29 01:55:31,388 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.92/7.70 [2019-03-29 01:55:31,390 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.92/7.70 [2019-03-29 01:55:31,391 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.92/7.70 [2019-03-29 01:55:31,391 INFO L518 LassoAnalysis]: Proved termination. 14.92/7.70 [2019-03-29 01:55:31,392 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.92/7.70 Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 14.92/7.70 Supporting invariants [] 14.92/7.70 [2019-03-29 01:55:31,393 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.92/7.70 [2019-03-29 01:55:31,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.70 [2019-03-29 01:55:31,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.70 [2019-03-29 01:55:31,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.70 [2019-03-29 01:55:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.70 [2019-03-29 01:55:31,442 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.92/7.70 [2019-03-29 01:55:31,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.70 [2019-03-29 01:55:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.70 [2019-03-29 01:55:31,486 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.92/7.70 [2019-03-29 01:55:31,491 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 14.92/7.70 [2019-03-29 01:55:31,492 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.92/7.70 [2019-03-29 01:55:31,522 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 4 states. 14.92/7.70 [2019-03-29 01:55:31,523 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 14.92/7.70 [2019-03-29 01:55:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.92/7.70 [2019-03-29 01:55:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 14.92/7.70 [2019-03-29 01:55:31,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 14.92/7.70 [2019-03-29 01:55:31,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 14.92/7.70 [2019-03-29 01:55:31,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 14.92/7.70 [2019-03-29 01:55:31,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.92/7.70 [2019-03-29 01:55:31,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.92/7.70 [2019-03-29 01:55:31,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 14.92/7.70 [2019-03-29 01:55:31,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 14.92/7.70 [2019-03-29 01:55:31,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 14.92/7.70 [2019-03-29 01:55:31,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 14.92/7.70 [2019-03-29 01:55:31,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.92/7.70 [2019-03-29 01:55:31,542 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.92/7.70 [2019-03-29 01:55:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 14.92/7.70 [2019-03-29 01:55:31,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 14.92/7.70 [2019-03-29 01:55:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.92/7.70 [2019-03-29 01:55:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 14.92/7.70 [2019-03-29 01:55:31,571 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.92/7.70 [2019-03-29 01:55:31,571 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.92/7.70 [2019-03-29 01:55:31,572 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.92/7.70 [2019-03-29 01:55:31,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 14.92/7.70 [2019-03-29 01:55:31,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.92/7.70 [2019-03-29 01:55:31,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.70 [2019-03-29 01:55:31,573 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.70 [2019-03-29 01:55:31,573 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.92/7.70 [2019-03-29 01:55:31,573 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.92/7.70 [2019-03-29 01:55:31,573 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~N~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~i~0_1 v_ULTIMATE.start_main_~N~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0] 45#L19-2 [29] L19-2-->L19: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 47#L19 14.92/7.70 [2019-03-29 01:55:31,574 INFO L796 eck$LassoCheckResult]: Loop: 47#L19 [30] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_6 (+ v_ULTIMATE.start_main_~j~0_7 (- 1))) (< 0 v_ULTIMATE.start_main_~j~0_7)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 46#L19-2 [29] L19-2-->L19: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 47#L19 14.92/7.70 [2019-03-29 01:55:31,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:31,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1765, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:31,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:31,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:31,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:31,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1920, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:31,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:31,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:31,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:31,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1697124, now seen corresponding path program 1 times 14.92/7.70 [2019-03-29 01:55:31,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.70 [2019-03-29 01:55:31,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.70 [2019-03-29 01:55:31,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.70 [2019-03-29 01:55:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.70 [2019-03-29 01:55:31,615 INFO L216 LassoAnalysis]: Preferences: 14.92/7.70 [2019-03-29 01:55:31,615 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.70 [2019-03-29 01:55:31,616 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.70 [2019-03-29 01:55:31,616 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.70 [2019-03-29 01:55:31,616 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.92/7.70 [2019-03-29 01:55:31,616 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,616 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.70 [2019-03-29 01:55:31,616 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.70 [2019-03-29 01:55:31,616 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.92/7.70 [2019-03-29 01:55:31,617 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.70 [2019-03-29 01:55:31,617 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.70 [2019-03-29 01:55:31,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,673 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.70 [2019-03-29 01:55:31,673 INFO L412 LassoAnalysis]: Checking for nontermination... 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,677 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,678 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,705 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.92/7.70 [2019-03-29 01:55:31,705 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,712 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,739 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.92/7.70 [2019-03-29 01:55:31,739 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=1} Honda state: {ULTIMATE.start_main_~i~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,746 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,747 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.70 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.70 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.92/7.70 [2019-03-29 01:55:31,779 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.70 [2019-03-29 01:55:31,809 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.92/7.70 [2019-03-29 01:55:31,811 INFO L216 LassoAnalysis]: Preferences: 14.92/7.70 [2019-03-29 01:55:31,811 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.70 [2019-03-29 01:55:31,811 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.70 [2019-03-29 01:55:31,811 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.70 [2019-03-29 01:55:31,812 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.92/7.70 [2019-03-29 01:55:31,812 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.92/7.70 [2019-03-29 01:55:31,812 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.70 [2019-03-29 01:55:31,812 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.70 [2019-03-29 01:55:31,812 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.92/7.70 [2019-03-29 01:55:31,812 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.70 [2019-03-29 01:55:31,812 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.70 [2019-03-29 01:55:31,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.70 [2019-03-29 01:55:31,874 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.70 [2019-03-29 01:55:31,874 INFO L497 LassoAnalysis]: Using template 'affine'. 14.92/7.70 [2019-03-29 01:55:31,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.70 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.70 Number of strict supporting invariants: 0 14.92/7.70 Number of non-strict supporting invariants: 1 14.92/7.70 Consider only non-deceasing supporting invariants: true 14.92/7.70 Simplify termination arguments: true 14.92/7.70 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.70 [2019-03-29 01:55:31,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.70 [2019-03-29 01:55:31,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.92/7.70 [2019-03-29 01:55:31,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.70 [2019-03-29 01:55:31,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.70 [2019-03-29 01:55:31,876 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.70 [2019-03-29 01:55:31,877 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.92/7.70 [2019-03-29 01:55:31,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.92/7.70 [2019-03-29 01:55:31,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.92/7.70 [2019-03-29 01:55:31,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.70 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.70 Number of strict supporting invariants: 0 14.92/7.70 Number of non-strict supporting invariants: 1 14.92/7.70 Consider only non-deceasing supporting invariants: true 14.92/7.70 Simplify termination arguments: true 14.92/7.70 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.70 [2019-03-29 01:55:31,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.70 [2019-03-29 01:55:31,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.92/7.70 [2019-03-29 01:55:31,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.70 [2019-03-29 01:55:31,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.70 [2019-03-29 01:55:31,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.70 [2019-03-29 01:55:31,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.92/7.70 [2019-03-29 01:55:31,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.92/7.70 [2019-03-29 01:55:31,887 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.92/7.70 [2019-03-29 01:55:31,890 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.92/7.70 [2019-03-29 01:55:31,890 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 14.92/7.70 [2019-03-29 01:55:31,891 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.92/7.70 [2019-03-29 01:55:31,891 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.92/7.70 [2019-03-29 01:55:31,891 INFO L518 LassoAnalysis]: Proved termination. 14.92/7.70 [2019-03-29 01:55:31,891 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.92/7.70 Ranking function f(ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~j~0 14.92/7.70 Supporting invariants [] 14.92/7.70 [2019-03-29 01:55:31,892 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.92/7.70 [2019-03-29 01:55:31,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.70 [2019-03-29 01:55:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.70 [2019-03-29 01:55:31,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.70 [2019-03-29 01:55:31,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.70 [2019-03-29 01:55:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.70 [2019-03-29 01:55:31,925 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 14.92/7.70 [2019-03-29 01:55:31,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.70 [2019-03-29 01:55:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.70 [2019-03-29 01:55:31,971 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 14.92/7.70 [2019-03-29 01:55:31,971 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 14.92/7.70 [2019-03-29 01:55:31,972 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 14.92/7.70 [2019-03-29 01:55:31,983 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 15 transitions. Complement of second has 4 states. 14.92/7.70 [2019-03-29 01:55:31,984 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 14.92/7.70 [2019-03-29 01:55:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.92/7.70 [2019-03-29 01:55:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.92/7.70 [2019-03-29 01:55:31,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 14.92/7.70 [2019-03-29 01:55:31,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. 14.92/7.70 [2019-03-29 01:55:31,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. 14.92/7.70 [2019-03-29 01:55:31,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.70 [2019-03-29 01:55:31,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. 14.92/7.70 [2019-03-29 01:55:31,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.92/7.70 [2019-03-29 01:55:31,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.92/7.70 [2019-03-29 01:55:31,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.92/7.70 [2019-03-29 01:55:31,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.92/7.70 [2019-03-29 01:55:31,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.92/7.70 [2019-03-29 01:55:31,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.92/7.70 [2019-03-29 01:55:31,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.92/7.70 [2019-03-29 01:55:31,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:31 BasicIcfg 14.92/7.70 [2019-03-29 01:55:31,998 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.92/7.70 [2019-03-29 01:55:31,999 INFO L168 Benchmark]: Toolchain (without parser) took 2106.54 ms. Allocated memory was 649.6 MB in the beginning and 699.4 MB in the end (delta: 49.8 MB). Free memory was 565.8 MB in the beginning and 498.2 MB in the end (delta: 67.7 MB). Peak memory consumption was 117.5 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,001 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.93 ms. Allocated memory is still 649.6 MB. Free memory was 565.8 MB in the beginning and 556.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.23 ms. Allocated memory was 649.6 MB in the beginning and 699.4 MB in the end (delta: 49.8 MB). Free memory was 556.0 MB in the beginning and 666.3 MB in the end (delta: -110.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,003 INFO L168 Benchmark]: Boogie Preprocessor took 19.98 ms. Allocated memory is still 699.4 MB. Free memory was 666.3 MB in the beginning and 663.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,003 INFO L168 Benchmark]: RCFGBuilder took 211.74 ms. Allocated memory is still 699.4 MB. Free memory was 663.4 MB in the beginning and 650.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,004 INFO L168 Benchmark]: BlockEncodingV2 took 75.21 ms. Allocated memory is still 699.4 MB. Free memory was 650.0 MB in the beginning and 644.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,005 INFO L168 Benchmark]: TraceAbstraction took 155.04 ms. Allocated memory is still 699.4 MB. Free memory was 644.6 MB in the beginning and 635.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,005 INFO L168 Benchmark]: BuchiAutomizer took 1311.03 ms. Allocated memory is still 699.4 MB. Free memory was 635.9 MB in the beginning and 498.2 MB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 50.3 GB. 14.92/7.70 [2019-03-29 01:55:32,010 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.92/7.70 --- Results --- 14.92/7.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.92/7.70 - StatisticsResult: Initial Icfg 14.92/7.70 7 locations, 9 edges 14.92/7.70 - StatisticsResult: Encoded RCFG 14.92/7.70 3 locations, 4 edges 14.92/7.70 * Results from de.uni_freiburg.informatik.ultimate.core: 14.92/7.70 - StatisticsResult: Toolchain Benchmarks 14.92/7.70 Benchmark results are: 14.92/7.70 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 590.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.92/7.70 * CACSL2BoogieTranslator took 226.93 ms. Allocated memory is still 649.6 MB. Free memory was 565.8 MB in the beginning and 556.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 14.92/7.70 * Boogie Procedure Inliner took 101.23 ms. Allocated memory was 649.6 MB in the beginning and 699.4 MB in the end (delta: 49.8 MB). Free memory was 556.0 MB in the beginning and 666.3 MB in the end (delta: -110.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 14.92/7.70 * Boogie Preprocessor took 19.98 ms. Allocated memory is still 699.4 MB. Free memory was 666.3 MB in the beginning and 663.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.92/7.70 * RCFGBuilder took 211.74 ms. Allocated memory is still 699.4 MB. Free memory was 663.4 MB in the beginning and 650.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 14.92/7.70 * BlockEncodingV2 took 75.21 ms. Allocated memory is still 699.4 MB. Free memory was 650.0 MB in the beginning and 644.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.92/7.70 * TraceAbstraction took 155.04 ms. Allocated memory is still 699.4 MB. Free memory was 644.6 MB in the beginning and 635.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 14.92/7.70 * BuchiAutomizer took 1311.03 ms. Allocated memory is still 699.4 MB. Free memory was 635.9 MB in the beginning and 498.2 MB in the end (delta: 137.8 MB). Peak memory consumption was 137.8 MB. Max. memory is 50.3 GB. 14.92/7.70 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.92/7.70 - AllSpecificationsHoldResult: All specifications hold 14.92/7.70 We were not able to verify any specifiation because the program does not contain any specification. 14.92/7.70 - InvariantResult [Line: 18]: Loop Invariant 14.92/7.70 Derived loop invariant: 1 14.92/7.70 - StatisticsResult: Ultimate Automizer benchmark data 14.92/7.70 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 14.92/7.70 - StatisticsResult: Constructed decomposition of program 14.92/7.70 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 14.92/7.70 - StatisticsResult: Timing statistics 14.92/7.70 BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax183 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 14.92/7.70 - TerminationAnalysisResult: Termination proven 14.92/7.70 Buchi Automizer proved that your program is terminating 14.92/7.70 RESULT: Ultimate proved your program to be correct! 14.92/7.70 !SESSION 2019-03-29 01:55:26.506 ----------------------------------------------- 14.92/7.70 eclipse.buildId=unknown 14.92/7.70 java.version=1.8.0_181 14.92/7.70 java.vendor=Oracle Corporation 14.92/7.70 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.92/7.70 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.92/7.70 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 14.92/7.70 14.92/7.70 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:55:32.248 14.92/7.70 !MESSAGE The workspace will exit with unsaved changes in this session. 14.92/7.70 Received shutdown request... 14.92/7.70 Ultimate: 14.92/7.70 GTK+ Version Check 14.92/7.70 EOF