14.83/8.14 YES 14.83/8.14 14.83/8.14 Ultimate: Cannot open display: 14.83/8.14 This is Ultimate 0.1.24-8dc7c08-m 14.83/8.14 [2019-03-28 12:15:45,569 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.83/8.14 [2019-03-28 12:15:45,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.83/8.14 [2019-03-28 12:15:45,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.83/8.14 [2019-03-28 12:15:45,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.83/8.14 [2019-03-28 12:15:45,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.83/8.14 [2019-03-28 12:15:45,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.83/8.14 [2019-03-28 12:15:45,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.83/8.14 [2019-03-28 12:15:45,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.83/8.14 [2019-03-28 12:15:45,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.83/8.14 [2019-03-28 12:15:45,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.83/8.14 [2019-03-28 12:15:45,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.83/8.14 [2019-03-28 12:15:45,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.83/8.14 [2019-03-28 12:15:45,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.83/8.14 [2019-03-28 12:15:45,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.83/8.14 [2019-03-28 12:15:45,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.83/8.14 [2019-03-28 12:15:45,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.83/8.14 [2019-03-28 12:15:45,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.83/8.14 [2019-03-28 12:15:45,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.83/8.14 [2019-03-28 12:15:45,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.83/8.14 [2019-03-28 12:15:45,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.83/8.14 [2019-03-28 12:15:45,606 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.83/8.14 [2019-03-28 12:15:45,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.83/8.14 [2019-03-28 12:15:45,607 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.83/8.14 [2019-03-28 12:15:45,608 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.83/8.14 [2019-03-28 12:15:45,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.83/8.14 [2019-03-28 12:15:45,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.83/8.14 [2019-03-28 12:15:45,610 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.83/8.14 [2019-03-28 12:15:45,611 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,611 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.83/8.14 [2019-03-28 12:15:45,612 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.83/8.14 [2019-03-28 12:15:45,613 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.83/8.14 [2019-03-28 12:15:45,613 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.83/8.14 [2019-03-28 12:15:45,614 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.83/8.14 [2019-03-28 12:15:45,628 INFO L110 SettingsManager]: Loading preferences was successful 14.83/8.14 [2019-03-28 12:15:45,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.83/8.14 [2019-03-28 12:15:45,629 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.83/8.14 [2019-03-28 12:15:45,630 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.83/8.14 [2019-03-28 12:15:45,630 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.83/8.14 [2019-03-28 12:15:45,630 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.83/8.14 [2019-03-28 12:15:45,630 INFO L133 SettingsManager]: * Use SBE=true 14.83/8.14 [2019-03-28 12:15:45,630 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.83/8.14 [2019-03-28 12:15:45,631 INFO L133 SettingsManager]: * Use old map elimination=false 14.83/8.14 [2019-03-28 12:15:45,631 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.83/8.14 [2019-03-28 12:15:45,631 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.83/8.14 [2019-03-28 12:15:45,631 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.83/8.14 [2019-03-28 12:15:45,631 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.83/8.14 [2019-03-28 12:15:45,632 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.83/8.14 [2019-03-28 12:15:45,632 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.83/8.14 [2019-03-28 12:15:45,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.83/8.14 [2019-03-28 12:15:45,632 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.83/8.14 [2019-03-28 12:15:45,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.83/8.14 [2019-03-28 12:15:45,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.83/8.14 [2019-03-28 12:15:45,633 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.83/8.14 [2019-03-28 12:15:45,633 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.83/8.14 [2019-03-28 12:15:45,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.83/8.14 [2019-03-28 12:15:45,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.83/8.14 [2019-03-28 12:15:45,633 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.83/8.14 [2019-03-28 12:15:45,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.83/8.14 [2019-03-28 12:15:45,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.83/8.14 [2019-03-28 12:15:45,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.83/8.14 [2019-03-28 12:15:45,634 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.83/8.14 [2019-03-28 12:15:45,634 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.83/8.14 [2019-03-28 12:15:45,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.83/8.14 [2019-03-28 12:15:45,673 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.83/8.14 [2019-03-28 12:15:45,676 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.83/8.14 [2019-03-28 12:15:45,678 INFO L271 PluginConnector]: Initializing CDTParser... 14.83/8.14 [2019-03-28 12:15:45,678 INFO L276 PluginConnector]: CDTParser initialized 14.83/8.14 [2019-03-28 12:15:45,679 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.83/8.14 [2019-03-28 12:15:45,745 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/0701b89be3bf4f9db96e86e46e1c2c34/FLAG66753fcac 14.83/8.14 [2019-03-28 12:15:46,074 INFO L307 CDTParser]: Found 1 translation units. 14.83/8.14 [2019-03-28 12:15:46,075 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.83/8.14 [2019-03-28 12:15:46,081 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/0701b89be3bf4f9db96e86e46e1c2c34/FLAG66753fcac 14.83/8.14 [2019-03-28 12:15:46,499 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/0701b89be3bf4f9db96e86e46e1c2c34 14.83/8.14 [2019-03-28 12:15:46,511 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.83/8.14 [2019-03-28 12:15:46,513 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.83/8.14 [2019-03-28 12:15:46,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.83/8.14 [2019-03-28 12:15:46,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.83/8.14 [2019-03-28 12:15:46,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.83/8.14 [2019-03-28 12:15:46,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792b435d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46, skipping insertion in model container 14.83/8.14 [2019-03-28 12:15:46,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.83/8.14 [2019-03-28 12:15:46,545 INFO L176 MainTranslator]: Built tables and reachable declarations 14.83/8.14 [2019-03-28 12:15:46,698 INFO L206 PostProcessor]: Analyzing one entry point: main 14.83/8.14 [2019-03-28 12:15:46,702 INFO L191 MainTranslator]: Completed pre-run 14.83/8.14 [2019-03-28 12:15:46,718 INFO L206 PostProcessor]: Analyzing one entry point: main 14.83/8.14 [2019-03-28 12:15:46,732 INFO L195 MainTranslator]: Completed translation 14.83/8.14 [2019-03-28 12:15:46,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46 WrapperNode 14.83/8.14 [2019-03-28 12:15:46,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.83/8.14 [2019-03-28 12:15:46,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.83/8.14 [2019-03-28 12:15:46,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.83/8.14 [2019-03-28 12:15:46,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.83/8.14 [2019-03-28 12:15:46,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.83/8.14 [2019-03-28 12:15:46,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.83/8.14 [2019-03-28 12:15:46,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.83/8.14 [2019-03-28 12:15:46,834 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.83/8.14 [2019-03-28 12:15:46,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 [2019-03-28 12:15:46,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.83/8.14 [2019-03-28 12:15:46,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.83/8.14 [2019-03-28 12:15:46,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.83/8.14 [2019-03-28 12:15:46,855 INFO L276 PluginConnector]: RCFGBuilder initialized 14.83/8.14 [2019-03-28 12:15:46,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (1/1) ... 14.83/8.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.83/8.14 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.83/8.14 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.83/8.14 [2019-03-28 12:15:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.83/8.14 [2019-03-28 12:15:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.83/8.14 [2019-03-28 12:15:47,057 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.83/8.14 [2019-03-28 12:15:47,058 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 14.83/8.14 [2019-03-28 12:15:47,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:47 BoogieIcfgContainer 14.83/8.14 [2019-03-28 12:15:47,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.83/8.14 [2019-03-28 12:15:47,060 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.83/8.14 [2019-03-28 12:15:47,060 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.83/8.14 [2019-03-28 12:15:47,062 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.83/8.14 [2019-03-28 12:15:47,063 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:47" (1/1) ... 14.83/8.14 [2019-03-28 12:15:47,078 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 8 edges 14.83/8.14 [2019-03-28 12:15:47,080 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.83/8.14 [2019-03-28 12:15:47,081 INFO L263 BlockEncoder]: Using Maximize final states 14.83/8.14 [2019-03-28 12:15:47,082 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.83/8.14 [2019-03-28 12:15:47,082 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.83/8.14 [2019-03-28 12:15:47,084 INFO L296 BlockEncoder]: Using Remove sink states 14.83/8.14 [2019-03-28 12:15:47,085 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.83/8.14 [2019-03-28 12:15:47,085 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.83/8.14 [2019-03-28 12:15:47,100 INFO L185 BlockEncoder]: Using Use SBE 14.83/8.14 [2019-03-28 12:15:47,109 INFO L200 BlockEncoder]: SBE split 0 edges 14.83/8.14 [2019-03-28 12:15:47,114 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.83/8.14 [2019-03-28 12:15:47,116 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.83/8.14 [2019-03-28 12:15:47,135 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.83/8.14 [2019-03-28 12:15:47,137 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.83/8.14 [2019-03-28 12:15:47,139 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.83/8.14 [2019-03-28 12:15:47,139 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.83/8.14 [2019-03-28 12:15:47,139 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.83/8.14 [2019-03-28 12:15:47,139 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.83/8.14 [2019-03-28 12:15:47,140 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 14.83/8.14 [2019-03-28 12:15:47,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:47 BasicIcfg 14.83/8.14 [2019-03-28 12:15:47,140 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.83/8.14 [2019-03-28 12:15:47,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.83/8.14 [2019-03-28 12:15:47,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.83/8.14 [2019-03-28 12:15:47,145 INFO L276 PluginConnector]: TraceAbstraction initialized 14.83/8.14 [2019-03-28 12:15:47,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:15:46" (1/4) ... 14.83/8.14 [2019-03-28 12:15:47,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2688ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:15:47, skipping insertion in model container 14.83/8.14 [2019-03-28 12:15:47,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (2/4) ... 14.83/8.14 [2019-03-28 12:15:47,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2688ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:15:47, skipping insertion in model container 14.83/8.14 [2019-03-28 12:15:47,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:47" (3/4) ... 14.83/8.14 [2019-03-28 12:15:47,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2688ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:47, skipping insertion in model container 14.83/8.14 [2019-03-28 12:15:47,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:47" (4/4) ... 14.83/8.14 [2019-03-28 12:15:47,148 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.83/8.14 [2019-03-28 12:15:47,159 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.83/8.14 [2019-03-28 12:15:47,167 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.83/8.14 [2019-03-28 12:15:47,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.83/8.14 [2019-03-28 12:15:47,215 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.83/8.14 [2019-03-28 12:15:47,215 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.83/8.14 [2019-03-28 12:15:47,216 INFO L383 AbstractCegarLoop]: Hoare is true 14.83/8.14 [2019-03-28 12:15:47,216 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.83/8.14 [2019-03-28 12:15:47,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.83/8.14 [2019-03-28 12:15:47,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.83/8.14 [2019-03-28 12:15:47,216 INFO L387 AbstractCegarLoop]: Difference is false 14.83/8.14 [2019-03-28 12:15:47,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.83/8.14 [2019-03-28 12:15:47,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.83/8.14 [2019-03-28 12:15:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.83/8.14 [2019-03-28 12:15:47,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.83/8.14 [2019-03-28 12:15:47,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.83/8.14 [2019-03-28 12:15:47,288 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.83/8.14 [2019-03-28 12:15:47,289 INFO L451 ceAbstractionStarter]: At program point L5-2(lines 5 9) the Hoare annotation is: true 14.83/8.14 [2019-03-28 12:15:47,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:47 BasicIcfg 14.83/8.14 [2019-03-28 12:15:47,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.83/8.14 [2019-03-28 12:15:47,298 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.83/8.14 [2019-03-28 12:15:47,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.83/8.14 [2019-03-28 12:15:47,301 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.83/8.14 [2019-03-28 12:15:47,302 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.83/8.14 [2019-03-28 12:15:47,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:15:46" (1/5) ... 14.83/8.14 [2019-03-28 12:15:47,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@536b56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:15:47, skipping insertion in model container 14.83/8.15 [2019-03-28 12:15:47,303 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.83/8.15 [2019-03-28 12:15:47,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:46" (2/5) ... 14.83/8.15 [2019-03-28 12:15:47,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@536b56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:15:47, skipping insertion in model container 14.83/8.15 [2019-03-28 12:15:47,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.83/8.15 [2019-03-28 12:15:47,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:47" (3/5) ... 14.83/8.15 [2019-03-28 12:15:47,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@536b56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:47, skipping insertion in model container 14.83/8.15 [2019-03-28 12:15:47,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.83/8.15 [2019-03-28 12:15:47,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:47" (4/5) ... 14.83/8.15 [2019-03-28 12:15:47,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@536b56d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:47, skipping insertion in model container 14.83/8.15 [2019-03-28 12:15:47,305 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.83/8.15 [2019-03-28 12:15:47,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:47" (5/5) ... 14.83/8.15 [2019-03-28 12:15:47,307 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.83/8.15 [2019-03-28 12:15:47,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.83/8.15 [2019-03-28 12:15:47,335 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.83/8.15 [2019-03-28 12:15:47,335 INFO L375 BuchiCegarLoop]: Hoare is true 14.83/8.15 [2019-03-28 12:15:47,336 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.83/8.15 [2019-03-28 12:15:47,336 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.83/8.15 [2019-03-28 12:15:47,336 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.83/8.15 [2019-03-28 12:15:47,336 INFO L379 BuchiCegarLoop]: Difference is false 14.83/8.15 [2019-03-28 12:15:47,337 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.83/8.15 [2019-03-28 12:15:47,337 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.83/8.15 [2019-03-28 12:15:47,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.83/8.15 [2019-03-28 12:15:47,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.83/8.15 [2019-03-28 12:15:47,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.83/8.15 [2019-03-28 12:15:47,358 INFO L119 BuchiIsEmpty]: Starting construction of run 14.83/8.15 [2019-03-28 12:15:47,363 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.83/8.15 [2019-03-28 12:15:47,363 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.83/8.15 [2019-03-28 12:15:47,363 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.83/8.15 [2019-03-28 12:15:47,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.83/8.15 [2019-03-28 12:15:47,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.83/8.15 [2019-03-28 12:15:47,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.83/8.15 [2019-03-28 12:15:47,364 INFO L119 BuchiIsEmpty]: Starting construction of run 14.83/8.15 [2019-03-28 12:15:47,365 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.83/8.15 [2019-03-28 12:15:47,365 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.83/8.15 [2019-03-28 12:15:47,370 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L5-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_2|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_2|) (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= v_ULTIMATE.start_test_fun_~tmp_1 |v_ULTIMATE.start_test_fun_#in~tmp_1|) (= |v_ULTIMATE.start_test_fun_#in~tmp_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_test_fun_~tmp=v_ULTIMATE.start_test_fun_~tmp_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_test_fun_#in~tmp=|v_ULTIMATE.start_test_fun_#in~tmp_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_test_fun_~tmp, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#in~tmp, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_test_fun_#in~x] 4#L5-2true 14.83/8.15 [2019-03-28 12:15:47,370 INFO L796 eck$LassoCheckResult]: Loop: 4#L5-2true [25] L5-2-->L5-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_5) (= v_ULTIMATE.start_test_fun_~x_4 v_ULTIMATE.start_test_fun_~y_5) (= v_ULTIMATE.start_test_fun_~tmp_3 v_ULTIMATE.start_test_fun_~x_5) (= v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~tmp_3)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4, ULTIMATE.start_test_fun_~tmp=v_ULTIMATE.start_test_fun_~tmp_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~tmp] 4#L5-2true 14.83/8.15 [2019-03-28 12:15:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.83/8.15 [2019-03-28 12:15:47,377 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 14.83/8.15 [2019-03-28 12:15:47,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.83/8.15 [2019-03-28 12:15:47,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.83/8.15 [2019-03-28 12:15:47,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.83/8.15 [2019-03-28 12:15:47,444 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 14.83/8.15 [2019-03-28 12:15:47,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.83/8.15 [2019-03-28 12:15:47,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.83/8.15 [2019-03-28 12:15:47,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.83/8.15 [2019-03-28 12:15:47,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1637, now seen corresponding path program 1 times 14.83/8.15 [2019-03-28 12:15:47,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.83/8.15 [2019-03-28 12:15:47,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.83/8.15 [2019-03-28 12:15:47,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.83/8.15 [2019-03-28 12:15:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.83/8.15 [2019-03-28 12:15:47,529 INFO L216 LassoAnalysis]: Preferences: 14.83/8.15 [2019-03-28 12:15:47,530 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.83/8.15 [2019-03-28 12:15:47,530 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.83/8.15 [2019-03-28 12:15:47,530 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.83/8.15 [2019-03-28 12:15:47,530 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.83/8.15 [2019-03-28 12:15:47,531 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.83/8.15 [2019-03-28 12:15:47,531 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.83/8.15 [2019-03-28 12:15:47,531 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.83/8.15 [2019-03-28 12:15:47,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.83/8.15 [2019-03-28 12:15:47,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.83/8.15 [2019-03-28 12:15:47,532 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.83/8.15 [2019-03-28 12:15:47,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.83/8.15 [2019-03-28 12:15:47,640 INFO L300 LassoAnalysis]: Preprocessing complete. 14.83/8.15 [2019-03-28 12:15:47,641 INFO L412 LassoAnalysis]: Checking for nontermination... 14.83/8.15 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.83/8.15 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.83/8.15 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.83/8.15 [2019-03-28 12:15:47,649 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.83/8.15 [2019-03-28 12:15:47,649 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.83/8.15 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.83/8.15 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.83/8.15 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.83/8.15 [2019-03-28 12:15:47,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.83/8.15 [2019-03-28 12:15:47,690 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.83/8.15 [2019-03-28 12:15:50,085 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.83/8.15 [2019-03-28 12:15:50,088 INFO L216 LassoAnalysis]: Preferences: 14.83/8.15 [2019-03-28 12:15:50,089 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.83/8.15 [2019-03-28 12:15:50,089 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.83/8.15 [2019-03-28 12:15:50,089 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.83/8.15 [2019-03-28 12:15:50,089 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.83/8.15 [2019-03-28 12:15:50,089 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.83/8.15 [2019-03-28 12:15:50,089 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.83/8.15 [2019-03-28 12:15:50,089 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.83/8.15 [2019-03-28 12:15:50,090 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.83/8.15 [2019-03-28 12:15:50,090 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.83/8.15 [2019-03-28 12:15:50,090 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.83/8.15 [2019-03-28 12:15:50,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.83/8.15 [2019-03-28 12:15:50,162 INFO L300 LassoAnalysis]: Preprocessing complete. 14.83/8.15 [2019-03-28 12:15:50,168 INFO L497 LassoAnalysis]: Using template 'affine'. 14.83/8.15 [2019-03-28 12:15:50,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.83/8.15 Termination analysis: LINEAR_WITH_GUESSES 14.83/8.15 Number of strict supporting invariants: 0 14.83/8.15 Number of non-strict supporting invariants: 1 14.83/8.15 Consider only non-deceasing supporting invariants: true 14.83/8.15 Simplify termination arguments: true 14.83/8.15 Simplify supporting invariants: trueOverapproximate stem: false 14.83/8.15 [2019-03-28 12:15:50,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.83/8.15 [2019-03-28 12:15:50,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.83/8.15 [2019-03-28 12:15:50,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.83/8.15 [2019-03-28 12:15:50,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.83/8.15 [2019-03-28 12:15:50,173 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.83/8.15 [2019-03-28 12:15:50,176 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.83/8.15 [2019-03-28 12:15:50,176 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.83/8.15 [2019-03-28 12:15:50,193 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.83/8.15 [2019-03-28 12:15:50,204 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.83/8.15 [2019-03-28 12:15:50,204 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 14.83/8.15 [2019-03-28 12:15:50,206 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.83/8.15 [2019-03-28 12:15:50,207 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.83/8.15 [2019-03-28 12:15:50,208 INFO L518 LassoAnalysis]: Proved termination. 14.83/8.15 [2019-03-28 12:15:50,208 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.83/8.15 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 14.83/8.15 Supporting invariants [] 14.83/8.15 [2019-03-28 12:15:50,210 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.83/8.15 [2019-03-28 12:15:50,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.83/8.15 [2019-03-28 12:15:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.83/8.15 [2019-03-28 12:15:50,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 14.83/8.15 [2019-03-28 12:15:50,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.83/8.15 [2019-03-28 12:15:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.83/8.15 [2019-03-28 12:15:50,283 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core 14.83/8.15 [2019-03-28 12:15:50,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.83/8.15 [2019-03-28 12:15:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.83/8.15 [2019-03-28 12:15:50,296 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.83/8.15 [2019-03-28 12:15:50,301 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 14.83/8.15 [2019-03-28 12:15:50,302 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 14.83/8.15 [2019-03-28 12:15:50,320 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. 14.83/8.15 [2019-03-28 12:15:50,321 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 14.83/8.15 [2019-03-28 12:15:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.83/8.15 [2019-03-28 12:15:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 14.83/8.15 [2019-03-28 12:15:50,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 14.83/8.15 [2019-03-28 12:15:50,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.83/8.15 [2019-03-28 12:15:50,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 14.83/8.15 [2019-03-28 12:15:50,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.83/8.15 [2019-03-28 12:15:50,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 14.83/8.15 [2019-03-28 12:15:50,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.83/8.15 [2019-03-28 12:15:50,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.83/8.15 [2019-03-28 12:15:50,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.83/8.15 [2019-03-28 12:15:50,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.83/8.15 [2019-03-28 12:15:50,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.83/8.15 [2019-03-28 12:15:50,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.83/8.15 [2019-03-28 12:15:50,337 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,337 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,337 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,337 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.83/8.15 [2019-03-28 12:15:50,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.83/8.15 [2019-03-28 12:15:50,338 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.83/8.15 [2019-03-28 12:15:50,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.83/8.15 [2019-03-28 12:15:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:50 BasicIcfg 14.83/8.15 [2019-03-28 12:15:50,344 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.83/8.15 [2019-03-28 12:15:50,344 INFO L168 Benchmark]: Toolchain (without parser) took 3832.75 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 559.8 MB in the beginning and 560.2 MB in the end (delta: -432.2 kB). Peak memory consumption was 27.4 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,346 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.07 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.45 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 549.0 MB in the beginning and 645.0 MB in the end (delta: -96.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,348 INFO L168 Benchmark]: Boogie Preprocessor took 20.83 ms. Allocated memory is still 677.4 MB. Free memory was 645.0 MB in the beginning and 641.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,349 INFO L168 Benchmark]: RCFGBuilder took 204.59 ms. Allocated memory is still 677.4 MB. Free memory was 641.9 MB in the beginning and 629.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,349 INFO L168 Benchmark]: BlockEncodingV2 took 80.57 ms. Allocated memory is still 677.4 MB. Free memory was 629.0 MB in the beginning and 622.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,350 INFO L168 Benchmark]: TraceAbstraction took 155.87 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 613.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,351 INFO L168 Benchmark]: BuchiAutomizer took 3046.18 ms. Allocated memory is still 677.4 MB. Free memory was 613.1 MB in the beginning and 560.2 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 50.3 GB. 14.83/8.15 [2019-03-28 12:15:50,355 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.83/8.15 --- Results --- 14.83/8.15 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.83/8.15 - StatisticsResult: Initial Icfg 14.83/8.15 7 locations, 8 edges 14.83/8.15 - StatisticsResult: Encoded RCFG 14.83/8.15 2 locations, 2 edges 14.83/8.15 * Results from de.uni_freiburg.informatik.ultimate.core: 14.83/8.15 - StatisticsResult: Toolchain Benchmarks 14.83/8.15 Benchmark results are: 14.83/8.15 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.83/8.15 * CACSL2BoogieTranslator took 220.07 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.83/8.15 * Boogie Procedure Inliner took 99.45 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 549.0 MB in the beginning and 645.0 MB in the end (delta: -96.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 14.83/8.15 * Boogie Preprocessor took 20.83 ms. Allocated memory is still 677.4 MB. Free memory was 645.0 MB in the beginning and 641.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.83/8.15 * RCFGBuilder took 204.59 ms. Allocated memory is still 677.4 MB. Free memory was 641.9 MB in the beginning and 629.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.83/8.15 * BlockEncodingV2 took 80.57 ms. Allocated memory is still 677.4 MB. Free memory was 629.0 MB in the beginning and 622.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.83/8.15 * TraceAbstraction took 155.87 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 613.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.83/8.15 * BuchiAutomizer took 3046.18 ms. Allocated memory is still 677.4 MB. Free memory was 613.1 MB in the beginning and 560.2 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 50.3 GB. 14.83/8.15 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.83/8.15 - AllSpecificationsHoldResult: All specifications hold 14.83/8.15 We were not able to verify any specifiation because the program does not contain any specification. 14.83/8.15 - InvariantResult [Line: 5]: Loop Invariant 14.83/8.15 Derived loop invariant: 1 14.83/8.15 - StatisticsResult: Ultimate Automizer benchmark data 14.83/8.15 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 14.83/8.15 - StatisticsResult: Constructed decomposition of program 14.83/8.15 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * y + x and consists of 2 locations. 14.83/8.15 - StatisticsResult: Timing statistics 14.83/8.15 BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf88 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.4s 14.83/8.15 - TerminationAnalysisResult: Termination proven 14.83/8.15 Buchi Automizer proved that your program is terminating 14.83/8.15 RESULT: Ultimate proved your program to be correct! 14.83/8.15 !SESSION 2019-03-28 12:15:43.249 ----------------------------------------------- 14.83/8.15 eclipse.buildId=unknown 14.83/8.15 java.version=1.8.0_181 14.83/8.15 java.vendor=Oracle Corporation 14.83/8.15 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.83/8.15 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.83/8.15 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.83/8.15 14.83/8.15 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:15:50.586 14.83/8.15 !MESSAGE The workspace will exit with unsaved changes in this session. 14.83/8.15 Received shutdown request... 14.83/8.15 Ultimate: 14.83/8.15 GTK+ Version Check 14.83/8.15 EOF