13.55/6.59 YES 13.55/6.59 13.55/6.59 Ultimate: Cannot open display: 13.55/6.59 This is Ultimate 0.1.24-8dc7c08-m 13.55/6.59 [2019-03-28 22:40:45,004 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.55/6.59 [2019-03-28 22:40:45,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.55/6.59 [2019-03-28 22:40:45,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.55/6.59 [2019-03-28 22:40:45,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.55/6.59 [2019-03-28 22:40:45,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.55/6.59 [2019-03-28 22:40:45,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.55/6.59 [2019-03-28 22:40:45,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.55/6.59 [2019-03-28 22:40:45,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.55/6.59 [2019-03-28 22:40:45,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.55/6.59 [2019-03-28 22:40:45,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.55/6.59 [2019-03-28 22:40:45,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.55/6.59 [2019-03-28 22:40:45,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.55/6.59 [2019-03-28 22:40:45,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.55/6.59 [2019-03-28 22:40:45,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.55/6.59 [2019-03-28 22:40:45,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.55/6.59 [2019-03-28 22:40:45,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.55/6.59 [2019-03-28 22:40:45,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.55/6.59 [2019-03-28 22:40:45,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.55/6.59 [2019-03-28 22:40:45,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.55/6.59 [2019-03-28 22:40:45,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.55/6.59 [2019-03-28 22:40:45,040 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.55/6.59 [2019-03-28 22:40:45,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.55/6.59 [2019-03-28 22:40:45,042 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,042 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.55/6.59 [2019-03-28 22:40:45,043 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.55/6.59 [2019-03-28 22:40:45,043 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.55/6.59 [2019-03-28 22:40:45,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.55/6.59 [2019-03-28 22:40:45,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.55/6.59 [2019-03-28 22:40:45,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,046 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.55/6.59 [2019-03-28 22:40:45,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.55/6.59 [2019-03-28 22:40:45,047 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.55/6.59 [2019-03-28 22:40:45,048 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.55/6.59 [2019-03-28 22:40:45,048 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.55/6.59 [2019-03-28 22:40:45,063 INFO L110 SettingsManager]: Loading preferences was successful 13.55/6.59 [2019-03-28 22:40:45,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.55/6.59 [2019-03-28 22:40:45,064 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.55/6.59 [2019-03-28 22:40:45,064 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.55/6.59 [2019-03-28 22:40:45,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.55/6.59 [2019-03-28 22:40:45,065 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.55/6.59 [2019-03-28 22:40:45,065 INFO L133 SettingsManager]: * Use SBE=true 13.55/6.59 [2019-03-28 22:40:45,065 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.55/6.59 [2019-03-28 22:40:45,065 INFO L133 SettingsManager]: * Use old map elimination=false 13.55/6.59 [2019-03-28 22:40:45,065 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.55/6.59 [2019-03-28 22:40:45,065 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.55/6.59 [2019-03-28 22:40:45,066 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.55/6.59 [2019-03-28 22:40:45,066 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.55/6.59 [2019-03-28 22:40:45,066 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.55/6.59 [2019-03-28 22:40:45,066 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:45,066 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.55/6.59 [2019-03-28 22:40:45,067 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.55/6.59 [2019-03-28 22:40:45,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.55/6.59 [2019-03-28 22:40:45,067 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.55/6.59 [2019-03-28 22:40:45,067 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.55/6.59 [2019-03-28 22:40:45,067 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.55/6.59 [2019-03-28 22:40:45,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.55/6.59 [2019-03-28 22:40:45,068 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.55/6.59 [2019-03-28 22:40:45,068 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.55/6.59 [2019-03-28 22:40:45,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.55/6.59 [2019-03-28 22:40:45,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.55/6.59 [2019-03-28 22:40:45,068 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.55/6.59 [2019-03-28 22:40:45,068 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.55/6.59 [2019-03-28 22:40:45,069 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.55/6.59 [2019-03-28 22:40:45,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.55/6.59 [2019-03-28 22:40:45,107 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.55/6.59 [2019-03-28 22:40:45,111 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.55/6.59 [2019-03-28 22:40:45,112 INFO L271 PluginConnector]: Initializing CDTParser... 13.55/6.59 [2019-03-28 22:40:45,113 INFO L276 PluginConnector]: CDTParser initialized 13.55/6.59 [2019-03-28 22:40:45,113 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.55/6.59 [2019-03-28 22:40:45,176 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/48d55f5e195048daa95b45ce8138cdf8/FLAG0ef2cffbe 13.55/6.59 [2019-03-28 22:40:45,514 INFO L307 CDTParser]: Found 1 translation units. 13.55/6.59 [2019-03-28 22:40:45,515 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.55/6.59 [2019-03-28 22:40:45,521 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/48d55f5e195048daa95b45ce8138cdf8/FLAG0ef2cffbe 13.55/6.59 [2019-03-28 22:40:45,921 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/48d55f5e195048daa95b45ce8138cdf8 13.55/6.59 [2019-03-28 22:40:45,933 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.55/6.59 [2019-03-28 22:40:45,935 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.55/6.59 [2019-03-28 22:40:45,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.55/6.59 [2019-03-28 22:40:45,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.55/6.59 [2019-03-28 22:40:45,939 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.55/6.59 [2019-03-28 22:40:45,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:45" (1/1) ... 13.55/6.59 [2019-03-28 22:40:45,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aff16ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:45, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:45,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:40:45" (1/1) ... 13.55/6.59 [2019-03-28 22:40:45,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.55/6.59 [2019-03-28 22:40:45,969 INFO L176 MainTranslator]: Built tables and reachable declarations 13.55/6.59 [2019-03-28 22:40:46,126 INFO L206 PostProcessor]: Analyzing one entry point: main 13.55/6.59 [2019-03-28 22:40:46,131 INFO L191 MainTranslator]: Completed pre-run 13.55/6.59 [2019-03-28 22:40:46,148 INFO L206 PostProcessor]: Analyzing one entry point: main 13.55/6.59 [2019-03-28 22:40:46,163 INFO L195 MainTranslator]: Completed translation 13.55/6.59 [2019-03-28 22:40:46,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46 WrapperNode 13.55/6.59 [2019-03-28 22:40:46,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.55/6.59 [2019-03-28 22:40:46,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.55/6.59 [2019-03-28 22:40:46,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.55/6.59 [2019-03-28 22:40:46,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.55/6.59 [2019-03-28 22:40:46,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.55/6.59 [2019-03-28 22:40:46,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.55/6.59 [2019-03-28 22:40:46,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.55/6.59 [2019-03-28 22:40:46,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.55/6.59 [2019-03-28 22:40:46,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.55/6.59 [2019-03-28 22:40:46,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.55/6.59 [2019-03-28 22:40:46,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.55/6.59 [2019-03-28 22:40:46,286 INFO L276 PluginConnector]: RCFGBuilder initialized 13.55/6.59 [2019-03-28 22:40:46,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (1/1) ... 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.55/6.59 [2019-03-28 22:40:46,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.55/6.59 [2019-03-28 22:40:46,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.55/6.59 [2019-03-28 22:40:46,489 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.55/6.59 [2019-03-28 22:40:46,490 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.55/6.59 [2019-03-28 22:40:46,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:46 BoogieIcfgContainer 13.55/6.59 [2019-03-28 22:40:46,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.55/6.59 [2019-03-28 22:40:46,492 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.55/6.59 [2019-03-28 22:40:46,492 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.55/6.59 [2019-03-28 22:40:46,495 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.55/6.59 [2019-03-28 22:40:46,495 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:46" (1/1) ... 13.55/6.59 [2019-03-28 22:40:46,512 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.55/6.59 [2019-03-28 22:40:46,513 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.55/6.59 [2019-03-28 22:40:46,515 INFO L263 BlockEncoder]: Using Maximize final states 13.55/6.59 [2019-03-28 22:40:46,516 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.55/6.59 [2019-03-28 22:40:46,516 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.55/6.59 [2019-03-28 22:40:46,518 INFO L296 BlockEncoder]: Using Remove sink states 13.55/6.59 [2019-03-28 22:40:46,519 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.55/6.59 [2019-03-28 22:40:46,520 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.55/6.59 [2019-03-28 22:40:46,535 INFO L185 BlockEncoder]: Using Use SBE 13.55/6.59 [2019-03-28 22:40:46,550 INFO L200 BlockEncoder]: SBE split 1 edges 13.55/6.59 [2019-03-28 22:40:46,556 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.55/6.59 [2019-03-28 22:40:46,558 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.55/6.59 [2019-03-28 22:40:46,568 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.55/6.59 [2019-03-28 22:40:46,571 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.55/6.59 [2019-03-28 22:40:46,572 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.55/6.59 [2019-03-28 22:40:46,572 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.55/6.59 [2019-03-28 22:40:46,572 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.55/6.59 [2019-03-28 22:40:46,573 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.55/6.59 [2019-03-28 22:40:46,573 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.55/6.59 [2019-03-28 22:40:46,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:46 BasicIcfg 13.55/6.59 [2019-03-28 22:40:46,574 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.55/6.59 [2019-03-28 22:40:46,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.55/6.59 [2019-03-28 22:40:46,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.55/6.59 [2019-03-28 22:40:46,578 INFO L276 PluginConnector]: TraceAbstraction initialized 13.55/6.59 [2019-03-28 22:40:46,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:40:45" (1/4) ... 13.55/6.59 [2019-03-28 22:40:46,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c39d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (2/4) ... 13.55/6.59 [2019-03-28 22:40:46,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c39d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:46" (3/4) ... 13.55/6.59 [2019-03-28 22:40:46,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c39d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:46" (4/4) ... 13.55/6.59 [2019-03-28 22:40:46,582 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.55/6.59 [2019-03-28 22:40:46,592 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.55/6.59 [2019-03-28 22:40:46,600 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.55/6.59 [2019-03-28 22:40:46,618 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.55/6.59 [2019-03-28 22:40:46,646 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.55/6.59 [2019-03-28 22:40:46,647 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.55/6.59 [2019-03-28 22:40:46,647 INFO L383 AbstractCegarLoop]: Hoare is true 13.55/6.59 [2019-03-28 22:40:46,648 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.55/6.59 [2019-03-28 22:40:46,648 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.55/6.59 [2019-03-28 22:40:46,648 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.55/6.59 [2019-03-28 22:40:46,648 INFO L387 AbstractCegarLoop]: Difference is false 13.55/6.59 [2019-03-28 22:40:46,648 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.55/6.59 [2019-03-28 22:40:46,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.55/6.59 [2019-03-28 22:40:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.55/6.59 [2019-03-28 22:40:46,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.55/6.59 [2019-03-28 22:40:46,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.55/6.59 [2019-03-28 22:40:46,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.55/6.59 [2019-03-28 22:40:46,721 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 16) the Hoare annotation is: true 13.55/6.59 [2019-03-28 22:40:46,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:46 BasicIcfg 13.55/6.59 [2019-03-28 22:40:46,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.55/6.59 [2019-03-28 22:40:46,730 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.55/6.59 [2019-03-28 22:40:46,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.55/6.59 [2019-03-28 22:40:46,733 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.55/6.59 [2019-03-28 22:40:46,734 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.59 [2019-03-28 22:40:46,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:40:45" (1/5) ... 13.55/6.59 [2019-03-28 22:40:46,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183bfaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,735 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.59 [2019-03-28 22:40:46,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:40:46" (2/5) ... 13.55/6.59 [2019-03-28 22:40:46,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183bfaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,736 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.59 [2019-03-28 22:40:46,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:40:46" (3/5) ... 13.55/6.59 [2019-03-28 22:40:46,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183bfaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,736 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.59 [2019-03-28 22:40:46,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:40:46" (4/5) ... 13.55/6.59 [2019-03-28 22:40:46,737 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183bfaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:46, skipping insertion in model container 13.55/6.59 [2019-03-28 22:40:46,737 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.55/6.59 [2019-03-28 22:40:46,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:40:46" (5/5) ... 13.55/6.59 [2019-03-28 22:40:46,739 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.55/6.59 [2019-03-28 22:40:46,765 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.55/6.59 [2019-03-28 22:40:46,766 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.55/6.59 [2019-03-28 22:40:46,766 INFO L375 BuchiCegarLoop]: Hoare is true 13.55/6.59 [2019-03-28 22:40:46,766 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.55/6.59 [2019-03-28 22:40:46,766 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.55/6.59 [2019-03-28 22:40:46,766 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.55/6.59 [2019-03-28 22:40:46,766 INFO L379 BuchiCegarLoop]: Difference is false 13.55/6.59 [2019-03-28 22:40:46,767 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.55/6.59 [2019-03-28 22:40:46,767 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.55/6.59 [2019-03-28 22:40:46,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.55/6.59 [2019-03-28 22:40:46,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.55/6.59 [2019-03-28 22:40:46,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.55/6.59 [2019-03-28 22:40:46,789 INFO L119 BuchiIsEmpty]: Starting construction of run 13.55/6.59 [2019-03-28 22:40:46,794 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.55/6.59 [2019-03-28 22:40:46,794 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.55/6.59 [2019-03-28 22:40:46,795 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.55/6.59 [2019-03-28 22:40:46,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.55/6.59 [2019-03-28 22:40:46,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.55/6.59 [2019-03-28 22:40:46,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.55/6.59 [2019-03-28 22:40:46,796 INFO L119 BuchiIsEmpty]: Starting construction of run 13.55/6.59 [2019-03-28 22:40:46,796 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.55/6.59 [2019-03-28 22:40:46,796 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.55/6.59 [2019-03-28 22:40:46,801 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L12-2true 13.55/6.59 [2019-03-28 22:40:46,802 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [20] L12-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1)) (< v_ULTIMATE.start_main_~z~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 3#L12-2true 13.55/6.59 [2019-03-28 22:40:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.59 [2019-03-28 22:40:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 13.55/6.59 [2019-03-28 22:40:46,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.59 [2019-03-28 22:40:46,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.59 [2019-03-28 22:40:46,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.59 [2019-03-28 22:40:46,887 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 13.55/6.59 [2019-03-28 22:40:46,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.59 [2019-03-28 22:40:46,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.59 [2019-03-28 22:40:46,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.59 [2019-03-28 22:40:46,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 13.55/6.59 [2019-03-28 22:40:46,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.55/6.59 [2019-03-28 22:40:46,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.55/6.59 [2019-03-28 22:40:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.55/6.59 [2019-03-28 22:40:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.55/6.59 [2019-03-28 22:40:46,987 INFO L216 LassoAnalysis]: Preferences: 13.55/6.59 [2019-03-28 22:40:46,988 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.55/6.59 [2019-03-28 22:40:46,988 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.55/6.59 [2019-03-28 22:40:46,988 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.55/6.59 [2019-03-28 22:40:46,989 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.55/6.59 [2019-03-28 22:40:46,989 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:46,989 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.55/6.59 [2019-03-28 22:40:46,989 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.55/6.59 [2019-03-28 22:40:46,989 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.55/6.59 [2019-03-28 22:40:46,990 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.55/6.59 [2019-03-28 22:40:46,990 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.55/6.59 [2019-03-28 22:40:47,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,131 INFO L300 LassoAnalysis]: Preprocessing complete. 13.55/6.59 [2019-03-28 22:40:47,132 INFO L412 LassoAnalysis]: Checking for nontermination... 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,138 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,138 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 [2019-03-28 22:40:47,172 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.55/6.59 [2019-03-28 22:40:47,172 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: [] 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,178 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,178 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 [2019-03-28 22:40:47,206 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.55/6.59 [2019-03-28 22:40:47,206 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: [] 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,211 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,241 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,241 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 [2019-03-28 22:40:47,278 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.55/6.59 [2019-03-28 22:40:47,278 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,306 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.55/6.59 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.55/6.59 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,337 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.55/6.59 [2019-03-28 22:40:47,337 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.55/6.59 [2019-03-28 22:40:47,652 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.55/6.59 [2019-03-28 22:40:47,655 INFO L216 LassoAnalysis]: Preferences: 13.55/6.59 [2019-03-28 22:40:47,675 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.55/6.59 [2019-03-28 22:40:47,675 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.55/6.59 [2019-03-28 22:40:47,675 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.55/6.59 [2019-03-28 22:40:47,675 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.55/6.59 [2019-03-28 22:40:47,675 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.55/6.59 [2019-03-28 22:40:47,675 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.55/6.59 [2019-03-28 22:40:47,675 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.55/6.59 [2019-03-28 22:40:47,676 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.55/6.59 [2019-03-28 22:40:47,676 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.55/6.59 [2019-03-28 22:40:47,676 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.55/6.59 [2019-03-28 22:40:47,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.55/6.59 [2019-03-28 22:40:47,797 INFO L300 LassoAnalysis]: Preprocessing complete. 13.55/6.59 [2019-03-28 22:40:47,804 INFO L497 LassoAnalysis]: Using template 'affine'. 13.55/6.59 [2019-03-28 22:40:47,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.55/6.59 Termination analysis: LINEAR_WITH_GUESSES 13.55/6.59 Number of strict supporting invariants: 0 13.55/6.59 Number of non-strict supporting invariants: 1 13.55/6.59 Consider only non-deceasing supporting invariants: true 13.55/6.59 Simplify termination arguments: true 13.55/6.59 Simplify supporting invariants: trueOverapproximate stem: false 13.55/6.59 [2019-03-28 22:40:47,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.55/6.59 [2019-03-28 22:40:47,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.55/6.59 [2019-03-28 22:40:47,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.55/6.59 [2019-03-28 22:40:47,808 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.55/6.59 [2019-03-28 22:40:47,813 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.55/6.59 [2019-03-28 22:40:47,813 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.55/6.59 [2019-03-28 22:40:47,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.55/6.59 [2019-03-28 22:40:47,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.55/6.59 Termination analysis: LINEAR_WITH_GUESSES 13.55/6.59 Number of strict supporting invariants: 0 13.55/6.59 Number of non-strict supporting invariants: 1 13.55/6.59 Consider only non-deceasing supporting invariants: true 13.55/6.59 Simplify termination arguments: true 13.55/6.59 Simplify supporting invariants: trueOverapproximate stem: false 13.55/6.59 [2019-03-28 22:40:47,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.55/6.59 [2019-03-28 22:40:47,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.55/6.59 [2019-03-28 22:40:47,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.55/6.59 [2019-03-28 22:40:47,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.55/6.59 [2019-03-28 22:40:47,826 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.55/6.59 [2019-03-28 22:40:47,826 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.55/6.59 [2019-03-28 22:40:47,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.55/6.59 [2019-03-28 22:40:47,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.55/6.59 Termination analysis: LINEAR_WITH_GUESSES 13.55/6.59 Number of strict supporting invariants: 0 13.55/6.59 Number of non-strict supporting invariants: 1 13.55/6.59 Consider only non-deceasing supporting invariants: true 13.55/6.59 Simplify termination arguments: true 13.55/6.59 Simplify supporting invariants: trueOverapproximate stem: false 13.55/6.59 [2019-03-28 22:40:47,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.55/6.59 [2019-03-28 22:40:47,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.55/6.59 [2019-03-28 22:40:47,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.55/6.59 [2019-03-28 22:40:47,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.55/6.59 [2019-03-28 22:40:47,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.55/6.59 [2019-03-28 22:40:47,837 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.55/6.59 [2019-03-28 22:40:47,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.55/6.59 [2019-03-28 22:40:47,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.55/6.59 [2019-03-28 22:40:47,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.55/6.59 Termination analysis: LINEAR_WITH_GUESSES 13.55/6.59 Number of strict supporting invariants: 0 13.55/6.59 Number of non-strict supporting invariants: 1 13.55/6.59 Consider only non-deceasing supporting invariants: true 13.55/6.59 Simplify termination arguments: true 13.55/6.59 Simplify supporting invariants: trueOverapproximate stem: false 13.55/6.59 [2019-03-28 22:40:47,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.55/6.59 [2019-03-28 22:40:47,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.55/6.59 [2019-03-28 22:40:47,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.55/6.59 [2019-03-28 22:40:47,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.55/6.59 [2019-03-28 22:40:47,845 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.55/6.59 [2019-03-28 22:40:47,846 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.55/6.59 [2019-03-28 22:40:47,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.55/6.59 [2019-03-28 22:40:47,854 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.55/6.59 [2019-03-28 22:40:47,867 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 13.55/6.59 [2019-03-28 22:40:47,868 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 13.55/6.59 [2019-03-28 22:40:47,870 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.55/6.59 [2019-03-28 22:40:47,870 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.55/6.59 [2019-03-28 22:40:47,871 INFO L518 LassoAnalysis]: Proved termination. 13.55/6.59 [2019-03-28 22:40:47,871 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.55/6.59 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 13.55/6.59 Supporting invariants [] 13.55/6.59 [2019-03-28 22:40:47,873 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.55/6.59 [2019-03-28 22:40:47,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.55/6.59 [2019-03-28 22:40:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.55/6.59 [2019-03-28 22:40:47,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 13.55/6.59 [2019-03-28 22:40:47,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.55/6.59 [2019-03-28 22:40:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.55/6.59 [2019-03-28 22:40:47,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 13.55/6.59 [2019-03-28 22:40:47,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.55/6.59 [2019-03-28 22:40:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.55/6.59 [2019-03-28 22:40:47,947 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.55/6.59 [2019-03-28 22:40:47,952 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 1 loop predicates 13.55/6.59 [2019-03-28 22:40:47,954 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.55/6.59 [2019-03-28 22:40:47,972 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. 13.55/6.59 [2019-03-28 22:40:47,973 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 13.55/6.59 [2019-03-28 22:40:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.55/6.59 [2019-03-28 22:40:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.55/6.59 [2019-03-28 22:40:47,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.55/6.59 [2019-03-28 22:40:47,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.59 [2019-03-28 22:40:47,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.55/6.59 [2019-03-28 22:40:47,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.59 [2019-03-28 22:40:47,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.55/6.59 [2019-03-28 22:40:47,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.55/6.59 [2019-03-28 22:40:47,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.55/6.59 [2019-03-28 22:40:47,983 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.55/6.59 [2019-03-28 22:40:47,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.55/6.59 [2019-03-28 22:40:47,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.55/6.59 [2019-03-28 22:40:47,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.55/6.59 [2019-03-28 22:40:47,988 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,988 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,989 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,989 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.55/6.59 [2019-03-28 22:40:47,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.55/6.59 [2019-03-28 22:40:47,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.55/6.59 [2019-03-28 22:40:47,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.55/6.59 [2019-03-28 22:40:47,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:40:47 BasicIcfg 13.55/6.59 [2019-03-28 22:40:47,995 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.55/6.59 [2019-03-28 22:40:47,995 INFO L168 Benchmark]: Toolchain (without parser) took 2062.00 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 558.5 MB in the beginning and 524.4 MB in the end (delta: 34.2 MB). Peak memory consumption was 64.0 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:47,997 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:47,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.56 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:47,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.98 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 549.0 MB in the beginning and 644.6 MB in the end (delta: -95.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:47,999 INFO L168 Benchmark]: Boogie Preprocessor took 20.42 ms. Allocated memory is still 679.5 MB. Free memory was 644.6 MB in the beginning and 642.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:48,000 INFO L168 Benchmark]: RCFGBuilder took 205.92 ms. Allocated memory is still 679.5 MB. Free memory was 642.9 MB in the beginning and 629.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:48,001 INFO L168 Benchmark]: BlockEncodingV2 took 81.94 ms. Allocated memory is still 679.5 MB. Free memory was 629.9 MB in the beginning and 624.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:48,001 INFO L168 Benchmark]: TraceAbstraction took 154.46 ms. Allocated memory is still 679.5 MB. Free memory was 624.5 MB in the beginning and 615.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:48,002 INFO L168 Benchmark]: BuchiAutomizer took 1265.43 ms. Allocated memory is still 679.5 MB. Free memory was 615.1 MB in the beginning and 524.4 MB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 50.3 GB. 13.55/6.59 [2019-03-28 22:40:48,006 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.55/6.59 --- Results --- 13.55/6.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.55/6.59 - StatisticsResult: Initial Icfg 13.55/6.59 6 locations, 7 edges 13.55/6.59 - StatisticsResult: Encoded RCFG 13.55/6.59 2 locations, 2 edges 13.55/6.59 * Results from de.uni_freiburg.informatik.ultimate.core: 13.55/6.59 - StatisticsResult: Toolchain Benchmarks 13.55/6.59 Benchmark results are: 13.55/6.59 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.55/6.59 * CACSL2BoogieTranslator took 228.56 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.55/6.59 * Boogie Procedure Inliner took 99.98 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 549.0 MB in the beginning and 644.6 MB in the end (delta: -95.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.55/6.59 * Boogie Preprocessor took 20.42 ms. Allocated memory is still 679.5 MB. Free memory was 644.6 MB in the beginning and 642.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 13.55/6.59 * RCFGBuilder took 205.92 ms. Allocated memory is still 679.5 MB. Free memory was 642.9 MB in the beginning and 629.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 13.55/6.59 * BlockEncodingV2 took 81.94 ms. Allocated memory is still 679.5 MB. Free memory was 629.9 MB in the beginning and 624.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.55/6.59 * TraceAbstraction took 154.46 ms. Allocated memory is still 679.5 MB. Free memory was 624.5 MB in the beginning and 615.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.55/6.59 * BuchiAutomizer took 1265.43 ms. Allocated memory is still 679.5 MB. Free memory was 615.1 MB in the beginning and 524.4 MB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 50.3 GB. 13.55/6.59 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.55/6.59 - AllSpecificationsHoldResult: All specifications hold 13.55/6.59 We were not able to verify any specifiation because the program does not contain any specification. 13.55/6.59 - InvariantResult [Line: 12]: Loop Invariant 13.55/6.59 Derived loop invariant: 1 13.55/6.59 - StatisticsResult: Ultimate Automizer benchmark data 13.55/6.59 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 13.55/6.59 - StatisticsResult: Constructed decomposition of program 13.55/6.59 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * z + x and consists of 2 locations. 13.55/6.59 - StatisticsResult: Timing statistics 13.55/6.59 BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 13.55/6.59 - TerminationAnalysisResult: Termination proven 13.55/6.59 Buchi Automizer proved that your program is terminating 13.55/6.59 RESULT: Ultimate proved your program to be correct! 13.55/6.59 !SESSION 2019-03-28 22:40:42.663 ----------------------------------------------- 13.55/6.59 eclipse.buildId=unknown 13.55/6.59 java.version=1.8.0_181 13.55/6.59 java.vendor=Oracle Corporation 13.55/6.59 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.55/6.59 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.55/6.59 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.55/6.59 13.55/6.59 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:40:48.239 13.55/6.59 !MESSAGE The workspace will exit with unsaved changes in this session. 13.55/6.59 Received shutdown request... 13.55/6.59 Ultimate: 13.55/6.59 GTK+ Version Check 13.55/6.59 EOF