10.88/5.55 NO 10.88/5.55 10.94/5.55 Ultimate: Cannot open display: 10.94/5.55 This is Ultimate 0.1.24-8dc7c08-m 10.94/5.55 [2019-03-28 22:22:29,464 INFO L170 SettingsManager]: Resetting all preferences to default values... 10.94/5.55 [2019-03-28 22:22:29,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 10.94/5.55 [2019-03-28 22:22:29,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 10.94/5.55 [2019-03-28 22:22:29,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 10.94/5.55 [2019-03-28 22:22:29,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 10.94/5.55 [2019-03-28 22:22:29,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 10.94/5.55 [2019-03-28 22:22:29,496 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 10.94/5.55 [2019-03-28 22:22:29,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 10.94/5.55 [2019-03-28 22:22:29,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 10.94/5.55 [2019-03-28 22:22:29,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 10.94/5.55 [2019-03-28 22:22:29,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 10.94/5.55 [2019-03-28 22:22:29,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 10.94/5.55 [2019-03-28 22:22:29,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 10.94/5.55 [2019-03-28 22:22:29,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 10.94/5.55 [2019-03-28 22:22:29,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 10.94/5.55 [2019-03-28 22:22:29,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 10.94/5.55 [2019-03-28 22:22:29,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 10.94/5.55 [2019-03-28 22:22:29,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 10.94/5.55 [2019-03-28 22:22:29,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 10.94/5.55 [2019-03-28 22:22:29,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 10.94/5.55 [2019-03-28 22:22:29,514 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 10.94/5.55 [2019-03-28 22:22:29,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 10.94/5.55 [2019-03-28 22:22:29,515 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 10.94/5.55 [2019-03-28 22:22:29,516 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 10.94/5.55 [2019-03-28 22:22:29,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 10.94/5.55 [2019-03-28 22:22:29,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 10.94/5.55 [2019-03-28 22:22:29,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 10.94/5.55 [2019-03-28 22:22:29,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 10.94/5.55 [2019-03-28 22:22:29,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 10.94/5.55 [2019-03-28 22:22:29,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 10.94/5.55 [2019-03-28 22:22:29,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 10.94/5.55 [2019-03-28 22:22:29,521 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 10.94/5.55 [2019-03-28 22:22:29,536 INFO L110 SettingsManager]: Loading preferences was successful 10.94/5.55 [2019-03-28 22:22:29,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 10.94/5.55 [2019-03-28 22:22:29,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 10.94/5.55 [2019-03-28 22:22:29,537 INFO L133 SettingsManager]: * Rewrite not-equals=true 10.94/5.55 [2019-03-28 22:22:29,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 10.94/5.55 [2019-03-28 22:22:29,538 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 10.94/5.55 [2019-03-28 22:22:29,538 INFO L133 SettingsManager]: * Use SBE=true 10.94/5.55 [2019-03-28 22:22:29,538 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 10.94/5.55 [2019-03-28 22:22:29,538 INFO L133 SettingsManager]: * Use old map elimination=false 10.94/5.55 [2019-03-28 22:22:29,538 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 10.94/5.55 [2019-03-28 22:22:29,539 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 10.94/5.55 [2019-03-28 22:22:29,539 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 10.94/5.55 [2019-03-28 22:22:29,539 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 10.94/5.55 [2019-03-28 22:22:29,539 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 10.94/5.55 [2019-03-28 22:22:29,539 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 10.94/5.55 [2019-03-28 22:22:29,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 10.94/5.55 [2019-03-28 22:22:29,540 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 10.94/5.55 [2019-03-28 22:22:29,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE 10.94/5.55 [2019-03-28 22:22:29,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 10.94/5.55 [2019-03-28 22:22:29,540 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 10.94/5.55 [2019-03-28 22:22:29,540 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 10.94/5.55 [2019-03-28 22:22:29,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 10.94/5.55 [2019-03-28 22:22:29,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 10.94/5.55 [2019-03-28 22:22:29,541 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 10.94/5.55 [2019-03-28 22:22:29,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.94/5.55 [2019-03-28 22:22:29,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 10.94/5.55 [2019-03-28 22:22:29,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 10.94/5.55 [2019-03-28 22:22:29,542 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 10.94/5.55 [2019-03-28 22:22:29,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 10.94/5.55 [2019-03-28 22:22:29,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 10.94/5.55 [2019-03-28 22:22:29,581 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 10.94/5.55 [2019-03-28 22:22:29,584 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 10.94/5.55 [2019-03-28 22:22:29,586 INFO L271 PluginConnector]: Initializing CDTParser... 10.94/5.55 [2019-03-28 22:22:29,586 INFO L276 PluginConnector]: CDTParser initialized 10.94/5.55 [2019-03-28 22:22:29,587 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 10.94/5.55 [2019-03-28 22:22:29,658 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/9627a3a9d641437a864f7f57ebc51c67/FLAG331bbb54e 10.94/5.55 [2019-03-28 22:22:29,995 INFO L307 CDTParser]: Found 1 translation units. 10.94/5.55 [2019-03-28 22:22:29,996 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 10.94/5.55 [2019-03-28 22:22:30,002 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/9627a3a9d641437a864f7f57ebc51c67/FLAG331bbb54e 10.94/5.55 [2019-03-28 22:22:30,404 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/9627a3a9d641437a864f7f57ebc51c67 10.94/5.55 [2019-03-28 22:22:30,416 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 10.94/5.55 [2019-03-28 22:22:30,418 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 10.94/5.55 [2019-03-28 22:22:30,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 10.94/5.55 [2019-03-28 22:22:30,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 10.94/5.55 [2019-03-28 22:22:30,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 10.94/5.55 [2019-03-28 22:22:30,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3187c201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:30,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 10.94/5.55 [2019-03-28 22:22:30,451 INFO L176 MainTranslator]: Built tables and reachable declarations 10.94/5.55 [2019-03-28 22:22:30,602 INFO L206 PostProcessor]: Analyzing one entry point: main 10.94/5.55 [2019-03-28 22:22:30,606 INFO L191 MainTranslator]: Completed pre-run 10.94/5.55 [2019-03-28 22:22:30,621 INFO L206 PostProcessor]: Analyzing one entry point: main 10.94/5.55 [2019-03-28 22:22:30,635 INFO L195 MainTranslator]: Completed translation 10.94/5.55 [2019-03-28 22:22:30,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30 WrapperNode 10.94/5.55 [2019-03-28 22:22:30,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 10.94/5.55 [2019-03-28 22:22:30,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 10.94/5.55 [2019-03-28 22:22:30,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 10.94/5.55 [2019-03-28 22:22:30,637 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 10.94/5.55 [2019-03-28 22:22:30,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 10.94/5.55 [2019-03-28 22:22:30,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 10.94/5.55 [2019-03-28 22:22:30,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 10.94/5.55 [2019-03-28 22:22:30,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized 10.94/5.55 [2019-03-28 22:22:30,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 10.94/5.55 [2019-03-28 22:22:30,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 10.94/5.55 [2019-03-28 22:22:30,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... 10.94/5.55 [2019-03-28 22:22:30,746 INFO L276 PluginConnector]: RCFGBuilder initialized 10.94/5.55 [2019-03-28 22:22:30,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (1/1) ... 10.94/5.55 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 10.94/5.55 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 10.94/5.55 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.94/5.55 [2019-03-28 22:22:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 10.94/5.55 [2019-03-28 22:22:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 10.94/5.55 [2019-03-28 22:22:30,924 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 10.94/5.55 [2019-03-28 22:22:30,925 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 10.94/5.55 [2019-03-28 22:22:30,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:30 BoogieIcfgContainer 10.94/5.55 [2019-03-28 22:22:30,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 10.94/5.55 [2019-03-28 22:22:30,926 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 10.94/5.55 [2019-03-28 22:22:30,927 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 10.94/5.55 [2019-03-28 22:22:30,929 INFO L276 PluginConnector]: BlockEncodingV2 initialized 10.94/5.55 [2019-03-28 22:22:30,929 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:30" (1/1) ... 10.94/5.55 [2019-03-28 22:22:30,943 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 10.94/5.55 [2019-03-28 22:22:30,945 INFO L258 BlockEncoder]: Using Remove infeasible edges 10.94/5.55 [2019-03-28 22:22:30,945 INFO L263 BlockEncoder]: Using Maximize final states 10.94/5.55 [2019-03-28 22:22:30,946 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 10.94/5.55 [2019-03-28 22:22:30,946 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 10.94/5.55 [2019-03-28 22:22:30,948 INFO L296 BlockEncoder]: Using Remove sink states 10.94/5.55 [2019-03-28 22:22:30,949 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 10.94/5.55 [2019-03-28 22:22:30,949 INFO L179 BlockEncoder]: Using Rewrite not-equals 10.94/5.55 [2019-03-28 22:22:30,963 INFO L185 BlockEncoder]: Using Use SBE 10.94/5.55 [2019-03-28 22:22:30,970 INFO L200 BlockEncoder]: SBE split 0 edges 10.94/5.55 [2019-03-28 22:22:30,975 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 10.94/5.55 [2019-03-28 22:22:30,977 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.94/5.55 [2019-03-28 22:22:30,989 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 10.94/5.55 [2019-03-28 22:22:30,991 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 10.94/5.55 [2019-03-28 22:22:30,993 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 10.94/5.55 [2019-03-28 22:22:30,993 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.94/5.55 [2019-03-28 22:22:30,993 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 10.94/5.55 [2019-03-28 22:22:30,993 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 10.94/5.55 [2019-03-28 22:22:30,994 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 10.94/5.55 [2019-03-28 22:22:30,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:30 BasicIcfg 10.94/5.55 [2019-03-28 22:22:30,994 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 10.94/5.55 [2019-03-28 22:22:30,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 10.94/5.55 [2019-03-28 22:22:30,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... 10.94/5.55 [2019-03-28 22:22:30,999 INFO L276 PluginConnector]: TraceAbstraction initialized 10.94/5.55 [2019-03-28 22:22:30,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:22:30" (1/4) ... 10.94/5.55 [2019-03-28 22:22:31,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3378aac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:22:30, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (2/4) ... 10.94/5.55 [2019-03-28 22:22:31,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3378aac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:30" (3/4) ... 10.94/5.55 [2019-03-28 22:22:31,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3378aac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:30" (4/4) ... 10.94/5.55 [2019-03-28 22:22:31,004 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 10.94/5.55 [2019-03-28 22:22:31,013 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 10.94/5.55 [2019-03-28 22:22:31,021 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 10.94/5.55 [2019-03-28 22:22:31,038 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 10.94/5.55 [2019-03-28 22:22:31,071 INFO L133 ementStrategyFactory]: Using default assertion order modulation 10.94/5.55 [2019-03-28 22:22:31,072 INFO L382 AbstractCegarLoop]: Interprodecural is true 10.94/5.55 [2019-03-28 22:22:31,072 INFO L383 AbstractCegarLoop]: Hoare is true 10.94/5.55 [2019-03-28 22:22:31,072 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 10.94/5.55 [2019-03-28 22:22:31,072 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 10.94/5.55 [2019-03-28 22:22:31,073 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 10.94/5.55 [2019-03-28 22:22:31,073 INFO L387 AbstractCegarLoop]: Difference is false 10.94/5.55 [2019-03-28 22:22:31,073 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 10.94/5.55 [2019-03-28 22:22:31,073 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 10.94/5.55 [2019-03-28 22:22:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 10.94/5.55 [2019-03-28 22:22:31,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 10.94/5.55 [2019-03-28 22:22:31,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 10.94/5.55 [2019-03-28 22:22:31,146 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: true 10.94/5.55 [2019-03-28 22:22:31,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 10.94/5.55 [2019-03-28 22:22:31,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:31 BasicIcfg 10.94/5.55 [2019-03-28 22:22:31,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 10.94/5.55 [2019-03-28 22:22:31,154 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 10.94/5.55 [2019-03-28 22:22:31,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 10.94/5.55 [2019-03-28 22:22:31,158 INFO L276 PluginConnector]: BuchiAutomizer initialized 10.94/5.55 [2019-03-28 22:22:31,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.94/5.55 [2019-03-28 22:22:31,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:22:30" (1/5) ... 10.94/5.55 [2019-03-28 22:22:31,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0a1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.94/5.55 [2019-03-28 22:22:31,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:22:30" (2/5) ... 10.94/5.55 [2019-03-28 22:22:31,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0a1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.94/5.55 [2019-03-28 22:22:31,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:22:30" (3/5) ... 10.94/5.55 [2019-03-28 22:22:31,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0a1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.94/5.55 [2019-03-28 22:22:31,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:22:30" (4/5) ... 10.94/5.55 [2019-03-28 22:22:31,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f0a1d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:31, skipping insertion in model container 10.94/5.55 [2019-03-28 22:22:31,162 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.94/5.55 [2019-03-28 22:22:31,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:22:31" (5/5) ... 10.94/5.55 [2019-03-28 22:22:31,164 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 10.94/5.55 [2019-03-28 22:22:31,191 INFO L133 ementStrategyFactory]: Using default assertion order modulation 10.94/5.55 [2019-03-28 22:22:31,191 INFO L374 BuchiCegarLoop]: Interprodecural is true 10.94/5.55 [2019-03-28 22:22:31,191 INFO L375 BuchiCegarLoop]: Hoare is true 10.94/5.55 [2019-03-28 22:22:31,191 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 10.94/5.55 [2019-03-28 22:22:31,191 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 10.94/5.55 [2019-03-28 22:22:31,192 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 10.94/5.55 [2019-03-28 22:22:31,192 INFO L379 BuchiCegarLoop]: Difference is false 10.94/5.55 [2019-03-28 22:22:31,192 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 10.94/5.55 [2019-03-28 22:22:31,192 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 10.94/5.55 [2019-03-28 22:22:31,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 10.94/5.55 [2019-03-28 22:22:31,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 10.94/5.55 [2019-03-28 22:22:31,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 10.94/5.55 [2019-03-28 22:22:31,214 INFO L119 BuchiIsEmpty]: Starting construction of run 10.94/5.55 [2019-03-28 22:22:31,219 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 10.94/5.55 [2019-03-28 22:22:31,220 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 10.94/5.55 [2019-03-28 22:22:31,220 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 10.94/5.55 [2019-03-28 22:22:31,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 10.94/5.55 [2019-03-28 22:22:31,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 10.94/5.55 [2019-03-28 22:22:31,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 10.94/5.55 [2019-03-28 22:22:31,221 INFO L119 BuchiIsEmpty]: Starting construction of run 10.94/5.55 [2019-03-28 22:22:31,221 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 10.94/5.55 [2019-03-28 22:22:31,221 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 10.94/5.55 [2019-03-28 22:22:31,226 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 3#L17-2true 10.94/5.55 [2019-03-28 22:22:31,227 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [20] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~c~0_6))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true 10.94/5.55 [2019-03-28 22:22:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.94/5.55 [2019-03-28 22:22:31,233 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 10.94/5.55 [2019-03-28 22:22:31,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.94/5.55 [2019-03-28 22:22:31,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.94/5.55 [2019-03-28 22:22:31,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.94/5.55 [2019-03-28 22:22:31,306 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 10.94/5.55 [2019-03-28 22:22:31,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.94/5.55 [2019-03-28 22:22:31,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.94/5.55 [2019-03-28 22:22:31,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.94/5.55 [2019-03-28 22:22:31,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 10.94/5.55 [2019-03-28 22:22:31,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.94/5.55 [2019-03-28 22:22:31,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.94/5.55 [2019-03-28 22:22:31,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.94/5.55 [2019-03-28 22:22:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.94/5.55 [2019-03-28 22:22:31,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:22:31 BasicIcfg 10.94/5.55 [2019-03-28 22:22:31,393 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 10.94/5.55 [2019-03-28 22:22:31,394 INFO L168 Benchmark]: Toolchain (without parser) took 977.83 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 564.9 MB in the beginning and 589.0 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,396 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. 10.94/5.55 [2019-03-28 22:22:31,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.08 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.82 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 555.3 MB in the beginning and 634.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,398 INFO L168 Benchmark]: Boogie Preprocessor took 19.25 ms. Allocated memory is still 667.9 MB. Free memory was 634.5 MB in the beginning and 631.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,399 INFO L168 Benchmark]: RCFGBuilder took 180.06 ms. Allocated memory is still 667.9 MB. Free memory was 631.4 MB in the beginning and 618.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,399 INFO L168 Benchmark]: BlockEncodingV2 took 68.05 ms. Allocated memory is still 667.9 MB. Free memory was 618.4 MB in the beginning and 614.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,400 INFO L168 Benchmark]: TraceAbstraction took 158.61 ms. Allocated memory is still 667.9 MB. Free memory was 613.0 MB in the beginning and 603.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,400 INFO L168 Benchmark]: BuchiAutomizer took 239.13 ms. Allocated memory is still 667.9 MB. Free memory was 603.9 MB in the beginning and 589.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 50.3 GB. 10.94/5.55 [2019-03-28 22:22:31,405 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 10.94/5.55 --- Results --- 10.94/5.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 10.94/5.55 - StatisticsResult: Initial Icfg 10.94/5.55 6 locations, 7 edges 10.94/5.55 - StatisticsResult: Encoded RCFG 10.94/5.55 2 locations, 2 edges 10.94/5.55 * Results from de.uni_freiburg.informatik.ultimate.core: 10.94/5.55 - StatisticsResult: Toolchain Benchmarks 10.94/5.55 Benchmark results are: 10.94/5.55 * 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. 10.94/5.55 * CACSL2BoogieTranslator took 217.08 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 10.94/5.55 * Boogie Procedure Inliner took 89.82 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 555.3 MB in the beginning and 634.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 10.94/5.55 * Boogie Preprocessor took 19.25 ms. Allocated memory is still 667.9 MB. Free memory was 634.5 MB in the beginning and 631.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 10.94/5.55 * RCFGBuilder took 180.06 ms. Allocated memory is still 667.9 MB. Free memory was 631.4 MB in the beginning and 618.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 10.94/5.55 * BlockEncodingV2 took 68.05 ms. Allocated memory is still 667.9 MB. Free memory was 618.4 MB in the beginning and 614.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. 10.94/5.55 * TraceAbstraction took 158.61 ms. Allocated memory is still 667.9 MB. Free memory was 613.0 MB in the beginning and 603.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. 10.94/5.55 * BuchiAutomizer took 239.13 ms. Allocated memory is still 667.9 MB. Free memory was 603.9 MB in the beginning and 589.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 50.3 GB. 10.94/5.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 10.94/5.55 - AllSpecificationsHoldResult: All specifications hold 10.94/5.55 We were not able to verify any specifiation because the program does not contain any specification. 10.94/5.55 - InvariantResult [Line: 17]: Loop Invariant 10.94/5.55 Derived loop invariant: 1 10.94/5.55 - StatisticsResult: Ultimate Automizer benchmark data 10.94/5.55 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 10.94/5.55 - StatisticsResult: Constructed decomposition of program 10.94/5.55 Trivial decomposition into one nonterminating module. 10.94/5.55 - StatisticsResult: Timing statistics 10.94/5.55 BüchiAutomizer plugin needed 0.1s 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 10.94/5.55 - TerminationAnalysisResult: Nontermination possible 10.94/5.55 Buchi Automizer proved that your program is nonterminating for some inputs 10.94/5.55 - FixpointNonTerminationResult [Line: 17]: Nontermination argument in form of an infinite program execution. 10.94/5.55 Nontermination argument in form of an infinite execution 10.94/5.55 State at position 0 is 10.94/5.55 {} 10.94/5.55 State at position 1 is 10.94/5.55 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d84d387=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f2ad901=0, c=0, x=0} 10.94/5.55 - StatisticsResult: NonterminationArgumentStatistics 10.94/5.55 Fixpoint 10.94/5.55 - NonterminatingLassoResult [Line: 17]: Nonterminating execution 10.94/5.55 Found a nonterminating execution for the following lasso shaped sequence of statements. 10.94/5.55 Stem: 10.94/5.55 [L14] int c, x; 10.94/5.55 [L15] c = __VERIFIER_nondet_int() 10.94/5.55 [L16] x = __VERIFIER_nondet_int() 10.94/5.55 Loop: 10.94/5.55 [L17] COND TRUE x >= 0 10.94/5.55 [L18] x = x + c 10.94/5.55 End of lasso representation. 10.94/5.55 RESULT: Ultimate proved your program to be incorrect! 10.94/5.55 !SESSION 2019-03-28 22:22:27.153 ----------------------------------------------- 10.94/5.55 eclipse.buildId=unknown 10.94/5.55 java.version=1.8.0_181 10.94/5.55 java.vendor=Oracle Corporation 10.94/5.55 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 10.94/5.55 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 10.94/5.55 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 10.94/5.55 10.94/5.55 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:22:31.640 10.94/5.55 !MESSAGE The workspace will exit with unsaved changes in this session. 10.94/5.55 Received shutdown request... 10.94/5.55 Ultimate: 10.94/5.55 GTK+ Version Check 10.94/5.55 EOF