11.74/6.27 NO 11.74/6.27 11.74/6.27 Ultimate: Cannot open display: 11.74/6.27 This is Ultimate 0.1.24-8dc7c08-m 11.74/6.27 [2019-03-28 12:32:15,407 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.74/6.27 [2019-03-28 12:32:15,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.74/6.27 [2019-03-28 12:32:15,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.74/6.27 [2019-03-28 12:32:15,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.74/6.27 [2019-03-28 12:32:15,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.74/6.27 [2019-03-28 12:32:15,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.74/6.27 [2019-03-28 12:32:15,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.74/6.27 [2019-03-28 12:32:15,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.74/6.27 [2019-03-28 12:32:15,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.74/6.27 [2019-03-28 12:32:15,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.74/6.27 [2019-03-28 12:32:15,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.74/6.27 [2019-03-28 12:32:15,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.74/6.27 [2019-03-28 12:32:15,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.74/6.27 [2019-03-28 12:32:15,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.74/6.27 [2019-03-28 12:32:15,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.74/6.27 [2019-03-28 12:32:15,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.74/6.27 [2019-03-28 12:32:15,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.74/6.27 [2019-03-28 12:32:15,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.74/6.27 [2019-03-28 12:32:15,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.74/6.27 [2019-03-28 12:32:15,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.74/6.27 [2019-03-28 12:32:15,444 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.74/6.27 [2019-03-28 12:32:15,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.74/6.27 [2019-03-28 12:32:15,445 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.74/6.27 [2019-03-28 12:32:15,446 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.74/6.27 [2019-03-28 12:32:15,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.74/6.27 [2019-03-28 12:32:15,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.74/6.27 [2019-03-28 12:32:15,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.74/6.27 [2019-03-28 12:32:15,450 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.74/6.27 [2019-03-28 12:32:15,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.74/6.27 [2019-03-28 12:32:15,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.74/6.27 [2019-03-28 12:32:15,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.74/6.27 [2019-03-28 12:32:15,452 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.74/6.27 [2019-03-28 12:32:15,467 INFO L110 SettingsManager]: Loading preferences was successful 11.74/6.27 [2019-03-28 12:32:15,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.74/6.27 [2019-03-28 12:32:15,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.74/6.27 [2019-03-28 12:32:15,469 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.74/6.27 [2019-03-28 12:32:15,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.74/6.27 [2019-03-28 12:32:15,469 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.74/6.27 [2019-03-28 12:32:15,470 INFO L133 SettingsManager]: * Use SBE=true 11.74/6.27 [2019-03-28 12:32:15,470 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.74/6.27 [2019-03-28 12:32:15,470 INFO L133 SettingsManager]: * Use old map elimination=false 11.74/6.27 [2019-03-28 12:32:15,470 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.74/6.27 [2019-03-28 12:32:15,470 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.74/6.27 [2019-03-28 12:32:15,471 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.74/6.27 [2019-03-28 12:32:15,471 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.74/6.27 [2019-03-28 12:32:15,471 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.74/6.27 [2019-03-28 12:32:15,471 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.74/6.27 [2019-03-28 12:32:15,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.74/6.27 [2019-03-28 12:32:15,471 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.74/6.27 [2019-03-28 12:32:15,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.74/6.27 [2019-03-28 12:32:15,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.74/6.27 [2019-03-28 12:32:15,472 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.74/6.27 [2019-03-28 12:32:15,472 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.74/6.27 [2019-03-28 12:32:15,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.74/6.27 [2019-03-28 12:32:15,473 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.74/6.27 [2019-03-28 12:32:15,473 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.74/6.27 [2019-03-28 12:32:15,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.74/6.27 [2019-03-28 12:32:15,473 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.74/6.27 [2019-03-28 12:32:15,474 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.74/6.27 [2019-03-28 12:32:15,474 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.74/6.27 [2019-03-28 12:32:15,474 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.74/6.27 [2019-03-28 12:32:15,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.74/6.27 [2019-03-28 12:32:15,514 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.74/6.27 [2019-03-28 12:32:15,518 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.74/6.27 [2019-03-28 12:32:15,520 INFO L271 PluginConnector]: Initializing CDTParser... 11.74/6.27 [2019-03-28 12:32:15,520 INFO L276 PluginConnector]: CDTParser initialized 11.74/6.27 [2019-03-28 12:32:15,521 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/6.27 [2019-03-28 12:32:15,583 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/76ec338b498d49448db4484b54886a59/FLAGfc7dea713 11.74/6.27 [2019-03-28 12:32:15,918 INFO L307 CDTParser]: Found 1 translation units. 11.74/6.27 [2019-03-28 12:32:15,919 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/6.27 [2019-03-28 12:32:15,925 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/76ec338b498d49448db4484b54886a59/FLAGfc7dea713 11.74/6.27 [2019-03-28 12:32:16,347 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/76ec338b498d49448db4484b54886a59 11.74/6.27 [2019-03-28 12:32:16,359 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.74/6.27 [2019-03-28 12:32:16,360 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.74/6.27 [2019-03-28 12:32:16,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.74/6.27 [2019-03-28 12:32:16,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.74/6.27 [2019-03-28 12:32:16,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.74/6.27 [2019-03-28 12:32:16,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec2f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:16,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.74/6.27 [2019-03-28 12:32:16,394 INFO L176 MainTranslator]: Built tables and reachable declarations 11.74/6.27 [2019-03-28 12:32:16,548 INFO L206 PostProcessor]: Analyzing one entry point: main 11.74/6.27 [2019-03-28 12:32:16,553 INFO L191 MainTranslator]: Completed pre-run 11.74/6.27 [2019-03-28 12:32:16,567 INFO L206 PostProcessor]: Analyzing one entry point: main 11.74/6.27 [2019-03-28 12:32:16,582 INFO L195 MainTranslator]: Completed translation 11.74/6.27 [2019-03-28 12:32:16,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16 WrapperNode 11.74/6.27 [2019-03-28 12:32:16,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.74/6.27 [2019-03-28 12:32:16,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.74/6.27 [2019-03-28 12:32:16,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.74/6.27 [2019-03-28 12:32:16,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.74/6.27 [2019-03-28 12:32:16,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.74/6.27 [2019-03-28 12:32:16,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.74/6.27 [2019-03-28 12:32:16,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.74/6.27 [2019-03-28 12:32:16,683 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.74/6.27 [2019-03-28 12:32:16,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.74/6.27 [2019-03-28 12:32:16,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.74/6.27 [2019-03-28 12:32:16,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.74/6.27 [2019-03-28 12:32:16,703 INFO L276 PluginConnector]: RCFGBuilder initialized 11.74/6.27 [2019-03-28 12:32:16,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (1/1) ... 11.74/6.27 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.74/6.27 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.74/6.27 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.74/6.27 [2019-03-28 12:32:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.74/6.27 [2019-03-28 12:32:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.74/6.27 [2019-03-28 12:32:16,892 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.74/6.27 [2019-03-28 12:32:16,892 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.74/6.27 [2019-03-28 12:32:16,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:16 BoogieIcfgContainer 11.74/6.27 [2019-03-28 12:32:16,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.74/6.27 [2019-03-28 12:32:16,894 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.74/6.27 [2019-03-28 12:32:16,895 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.74/6.27 [2019-03-28 12:32:16,897 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.74/6.27 [2019-03-28 12:32:16,898 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:16" (1/1) ... 11.74/6.27 [2019-03-28 12:32:16,914 INFO L313 BlockEncoder]: Initial Icfg 5 locations, 6 edges 11.74/6.27 [2019-03-28 12:32:16,916 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.74/6.27 [2019-03-28 12:32:16,916 INFO L263 BlockEncoder]: Using Maximize final states 11.74/6.27 [2019-03-28 12:32:16,917 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.74/6.27 [2019-03-28 12:32:16,917 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.74/6.27 [2019-03-28 12:32:16,919 INFO L296 BlockEncoder]: Using Remove sink states 11.74/6.27 [2019-03-28 12:32:16,920 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.74/6.27 [2019-03-28 12:32:16,920 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.74/6.27 [2019-03-28 12:32:16,935 INFO L185 BlockEncoder]: Using Use SBE 11.74/6.27 [2019-03-28 12:32:16,944 INFO L200 BlockEncoder]: SBE split 0 edges 11.74/6.27 [2019-03-28 12:32:16,949 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.74/6.27 [2019-03-28 12:32:16,951 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.74/6.27 [2019-03-28 12:32:16,964 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.74/6.27 [2019-03-28 12:32:16,966 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.74/6.27 [2019-03-28 12:32:16,968 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.74/6.27 [2019-03-28 12:32:16,968 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.74/6.27 [2019-03-28 12:32:16,969 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.74/6.27 [2019-03-28 12:32:16,969 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.74/6.27 [2019-03-28 12:32:16,969 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.74/6.27 [2019-03-28 12:32:16,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:16 BasicIcfg 11.74/6.27 [2019-03-28 12:32:16,970 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.74/6.27 [2019-03-28 12:32:16,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.74/6.27 [2019-03-28 12:32:16,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.74/6.27 [2019-03-28 12:32:16,975 INFO L276 PluginConnector]: TraceAbstraction initialized 11.74/6.27 [2019-03-28 12:32:16,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:16" (1/4) ... 11.74/6.27 [2019-03-28 12:32:16,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a5982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:16, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:16,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (2/4) ... 11.74/6.27 [2019-03-28 12:32:16,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a5982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:16, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:16,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:16" (3/4) ... 11.74/6.27 [2019-03-28 12:32:16,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a5982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:16, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:16,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:16" (4/4) ... 11.74/6.27 [2019-03-28 12:32:16,979 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.74/6.27 [2019-03-28 12:32:16,992 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.74/6.27 [2019-03-28 12:32:17,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.74/6.27 [2019-03-28 12:32:17,017 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.74/6.27 [2019-03-28 12:32:17,046 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.74/6.27 [2019-03-28 12:32:17,047 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.74/6.27 [2019-03-28 12:32:17,047 INFO L383 AbstractCegarLoop]: Hoare is true 11.74/6.27 [2019-03-28 12:32:17,047 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.74/6.27 [2019-03-28 12:32:17,048 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.74/6.27 [2019-03-28 12:32:17,048 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.74/6.27 [2019-03-28 12:32:17,048 INFO L387 AbstractCegarLoop]: Difference is false 11.74/6.27 [2019-03-28 12:32:17,048 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.74/6.27 [2019-03-28 12:32:17,048 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.74/6.27 [2019-03-28 12:32:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.74/6.27 [2019-03-28 12:32:17,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.74/6.27 [2019-03-28 12:32:17,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.74/6.27 [2019-03-28 12:32:17,122 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.74/6.27 [2019-03-28 12:32:17,122 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 16) the Hoare annotation is: true 11.74/6.27 [2019-03-28 12:32:17,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:17 BasicIcfg 11.74/6.27 [2019-03-28 12:32:17,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.74/6.27 [2019-03-28 12:32:17,131 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.74/6.27 [2019-03-28 12:32:17,131 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.74/6.27 [2019-03-28 12:32:17,134 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.74/6.27 [2019-03-28 12:32:17,135 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/6.27 [2019-03-28 12:32:17,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:16" (1/5) ... 11.74/6.27 [2019-03-28 12:32:17,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2872dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:17, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:17,136 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/6.27 [2019-03-28 12:32:17,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:16" (2/5) ... 11.74/6.27 [2019-03-28 12:32:17,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2872dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:17, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:17,137 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/6.27 [2019-03-28 12:32:17,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:16" (3/5) ... 11.74/6.27 [2019-03-28 12:32:17,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2872dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:17, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:17,138 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/6.27 [2019-03-28 12:32:17,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:16" (4/5) ... 11.74/6.27 [2019-03-28 12:32:17,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2872dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:17, skipping insertion in model container 11.74/6.27 [2019-03-28 12:32:17,138 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.74/6.27 [2019-03-28 12:32:17,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:17" (5/5) ... 11.74/6.27 [2019-03-28 12:32:17,140 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.74/6.27 [2019-03-28 12:32:17,167 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.74/6.27 [2019-03-28 12:32:17,167 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.74/6.27 [2019-03-28 12:32:17,167 INFO L375 BuchiCegarLoop]: Hoare is true 11.74/6.27 [2019-03-28 12:32:17,167 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.74/6.27 [2019-03-28 12:32:17,168 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.74/6.27 [2019-03-28 12:32:17,168 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.74/6.27 [2019-03-28 12:32:17,168 INFO L379 BuchiCegarLoop]: Difference is false 11.74/6.27 [2019-03-28 12:32:17,168 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.74/6.27 [2019-03-28 12:32:17,168 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.74/6.27 [2019-03-28 12:32:17,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.74/6.27 [2019-03-28 12:32:17,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.74/6.27 [2019-03-28 12:32:17,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.74/6.27 [2019-03-28 12:32:17,189 INFO L119 BuchiIsEmpty]: Starting construction of run 11.74/6.27 [2019-03-28 12:32:17,194 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.74/6.27 [2019-03-28 12:32:17,194 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.74/6.27 [2019-03-28 12:32:17,194 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.74/6.27 [2019-03-28 12:32:17,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.74/6.27 [2019-03-28 12:32:17,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.74/6.27 [2019-03-28 12:32:17,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.74/6.27 [2019-03-28 12:32:17,195 INFO L119 BuchiIsEmpty]: Starting construction of run 11.74/6.27 [2019-03-28 12:32:17,195 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.74/6.27 [2019-03-28 12:32:17,195 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.74/6.27 [2019-03-28 12:32:17,200 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [17] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L14-2true 11.74/6.27 [2019-03-28 12:32:17,201 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [20] L14-2-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~c~0_4)) (<= 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L14-2true 11.74/6.27 [2019-03-28 12:32:17,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/6.27 [2019-03-28 12:32:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times 11.74/6.27 [2019-03-28 12:32:17,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/6.27 [2019-03-28 12:32:17,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/6.27 [2019-03-28 12:32:17,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/6.27 [2019-03-28 12:32:17,272 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 11.74/6.27 [2019-03-28 12:32:17,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/6.27 [2019-03-28 12:32:17,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/6.27 [2019-03-28 12:32:17,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.74/6.27 [2019-03-28 12:32:17,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1508, now seen corresponding path program 1 times 11.74/6.27 [2019-03-28 12:32:17,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.74/6.27 [2019-03-28 12:32:17,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.74/6.27 [2019-03-28 12:32:17,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.74/6.27 [2019-03-28 12:32:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.74/6.27 [2019-03-28 12:32:17,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:17 BasicIcfg 11.74/6.27 [2019-03-28 12:32:17,375 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.74/6.27 [2019-03-28 12:32:17,375 INFO L168 Benchmark]: Toolchain (without parser) took 1015.73 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 564.5 MB in the beginning and 580.2 MB in the end (delta: -15.7 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,377 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.71 ms. Allocated memory is still 649.6 MB. Free memory was 563.4 MB in the beginning and 553.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.18 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 553.6 MB in the beginning and 629.1 MB in the end (delta: -75.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,379 INFO L168 Benchmark]: Boogie Preprocessor took 20.17 ms. Allocated memory is still 662.2 MB. Free memory was 629.1 MB in the beginning and 626.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,380 INFO L168 Benchmark]: RCFGBuilder took 191.13 ms. Allocated memory is still 662.2 MB. Free memory was 626.3 MB in the beginning and 613.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,380 INFO L168 Benchmark]: BlockEncodingV2 took 75.60 ms. Allocated memory is still 662.2 MB. Free memory was 613.8 MB in the beginning and 609.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,381 INFO L168 Benchmark]: TraceAbstraction took 159.33 ms. Allocated memory is still 662.2 MB. Free memory was 609.5 MB in the beginning and 600.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,382 INFO L168 Benchmark]: BuchiAutomizer took 243.99 ms. Allocated memory is still 662.2 MB. Free memory was 600.8 MB in the beginning and 580.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 50.3 GB. 11.74/6.27 [2019-03-28 12:32:17,387 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.74/6.27 --- Results --- 11.74/6.27 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.74/6.27 - StatisticsResult: Initial Icfg 11.74/6.27 5 locations, 6 edges 11.74/6.27 - StatisticsResult: Encoded RCFG 11.74/6.27 2 locations, 2 edges 11.74/6.27 * Results from de.uni_freiburg.informatik.ultimate.core: 11.74/6.27 - StatisticsResult: Toolchain Benchmarks 11.74/6.27 Benchmark results are: 11.74/6.27 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.74/6.27 * CACSL2BoogieTranslator took 221.71 ms. Allocated memory is still 649.6 MB. Free memory was 563.4 MB in the beginning and 553.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 11.74/6.27 * Boogie Procedure Inliner took 98.18 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 553.6 MB in the beginning and 629.1 MB in the end (delta: -75.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 11.74/6.27 * Boogie Preprocessor took 20.17 ms. Allocated memory is still 662.2 MB. Free memory was 629.1 MB in the beginning and 626.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.74/6.27 * RCFGBuilder took 191.13 ms. Allocated memory is still 662.2 MB. Free memory was 626.3 MB in the beginning and 613.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 11.74/6.27 * BlockEncodingV2 took 75.60 ms. Allocated memory is still 662.2 MB. Free memory was 613.8 MB in the beginning and 609.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 11.74/6.27 * TraceAbstraction took 159.33 ms. Allocated memory is still 662.2 MB. Free memory was 609.5 MB in the beginning and 600.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.74/6.27 * BuchiAutomizer took 243.99 ms. Allocated memory is still 662.2 MB. Free memory was 600.8 MB in the beginning and 580.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 50.3 GB. 11.74/6.27 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.74/6.27 - AllSpecificationsHoldResult: All specifications hold 11.74/6.27 We were not able to verify any specifiation because the program does not contain any specification. 11.74/6.27 - InvariantResult [Line: 14]: Loop Invariant 11.74/6.27 Derived loop invariant: 1 11.74/6.27 - StatisticsResult: Ultimate Automizer benchmark data 11.74/6.27 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 11.74/6.27 - StatisticsResult: Constructed decomposition of program 11.74/6.27 Trivial decomposition into one nonterminating module. 11.74/6.27 - StatisticsResult: Timing statistics 11.74/6.27 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.74/6.27 - TerminationAnalysisResult: Nontermination possible 11.74/6.27 Buchi Automizer proved that your program is nonterminating for some inputs 11.74/6.27 - FixpointNonTerminationResult [Line: 14]: Nontermination argument in form of an infinite program execution. 11.74/6.27 Nontermination argument in form of an infinite execution 11.74/6.27 State at position 0 is 11.74/6.27 {} 11.74/6.27 State at position 1 is 11.74/6.27 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@96d78c2=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b199013=0, c=0, x=0} 11.74/6.27 - StatisticsResult: NonterminationArgumentStatistics 11.74/6.27 Fixpoint 11.74/6.27 - NonterminatingLassoResult [Line: 14]: Nonterminating execution 11.74/6.27 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.74/6.27 Stem: 11.74/6.27 [L12] int c = __VERIFIER_nondet_int(); 11.74/6.27 [L13] int x = __VERIFIER_nondet_int(); 11.74/6.27 Loop: 11.74/6.27 [L14] COND TRUE x >= 0 11.74/6.27 [L15] x += c 11.74/6.27 End of lasso representation. 11.74/6.27 RESULT: Ultimate proved your program to be incorrect! 11.74/6.27 !SESSION 2019-03-28 12:32:13.085 ----------------------------------------------- 11.74/6.27 eclipse.buildId=unknown 11.74/6.27 java.version=1.8.0_181 11.74/6.27 java.vendor=Oracle Corporation 11.74/6.27 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.74/6.27 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.74/6.27 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 11.74/6.27 11.74/6.27 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:17.624 11.74/6.27 !MESSAGE The workspace will exit with unsaved changes in this session. 11.74/6.27 Received shutdown request... 11.74/6.27 Ultimate: 11.74/6.27 GTK+ Version Check 11.74/6.27 EOF