13.24/8.72 YES 13.24/8.72 13.24/8.72 Ultimate: Cannot open display: 13.24/8.72 This is Ultimate 0.1.24-8dc7c08-m 13.24/8.72 [2019-03-28 12:33:03,098 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.24/8.72 [2019-03-28 12:33:03,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.24/8.72 [2019-03-28 12:33:03,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.24/8.72 [2019-03-28 12:33:03,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.24/8.72 [2019-03-28 12:33:03,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.24/8.72 [2019-03-28 12:33:03,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.24/8.72 [2019-03-28 12:33:03,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.24/8.72 [2019-03-28 12:33:03,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.24/8.72 [2019-03-28 12:33:03,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.24/8.72 [2019-03-28 12:33:03,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.24/8.72 [2019-03-28 12:33:03,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.24/8.72 [2019-03-28 12:33:03,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.24/8.72 [2019-03-28 12:33:03,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.24/8.72 [2019-03-28 12:33:03,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.24/8.72 [2019-03-28 12:33:03,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.24/8.72 [2019-03-28 12:33:03,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.24/8.72 [2019-03-28 12:33:03,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.24/8.72 [2019-03-28 12:33:03,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.24/8.72 [2019-03-28 12:33:03,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.24/8.72 [2019-03-28 12:33:03,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.24/8.72 [2019-03-28 12:33:03,134 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.24/8.72 [2019-03-28 12:33:03,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.24/8.72 [2019-03-28 12:33:03,135 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.24/8.72 [2019-03-28 12:33:03,136 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.24/8.72 [2019-03-28 12:33:03,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.24/8.72 [2019-03-28 12:33:03,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.24/8.72 [2019-03-28 12:33:03,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.24/8.72 [2019-03-28 12:33:03,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.24/8.72 [2019-03-28 12:33:03,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.24/8.72 [2019-03-28 12:33:03,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.24/8.72 [2019-03-28 12:33:03,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.24/8.72 [2019-03-28 12:33:03,142 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.24/8.72 [2019-03-28 12:33:03,156 INFO L110 SettingsManager]: Loading preferences was successful 13.24/8.72 [2019-03-28 12:33:03,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.24/8.72 [2019-03-28 12:33:03,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.24/8.72 [2019-03-28 12:33:03,158 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.24/8.72 [2019-03-28 12:33:03,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.24/8.72 [2019-03-28 12:33:03,158 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.24/8.72 [2019-03-28 12:33:03,158 INFO L133 SettingsManager]: * Use SBE=true 13.24/8.72 [2019-03-28 12:33:03,159 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.24/8.72 [2019-03-28 12:33:03,159 INFO L133 SettingsManager]: * Use old map elimination=false 13.24/8.72 [2019-03-28 12:33:03,159 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.24/8.72 [2019-03-28 12:33:03,159 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.24/8.72 [2019-03-28 12:33:03,159 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.24/8.72 [2019-03-28 12:33:03,160 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.24/8.72 [2019-03-28 12:33:03,160 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.24/8.72 [2019-03-28 12:33:03,160 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:03,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.24/8.72 [2019-03-28 12:33:03,160 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.24/8.72 [2019-03-28 12:33:03,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.24/8.72 [2019-03-28 12:33:03,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.24/8.72 [2019-03-28 12:33:03,161 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.24/8.72 [2019-03-28 12:33:03,161 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.24/8.72 [2019-03-28 12:33:03,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.24/8.72 [2019-03-28 12:33:03,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.24/8.72 [2019-03-28 12:33:03,162 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.24/8.72 [2019-03-28 12:33:03,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.24/8.72 [2019-03-28 12:33:03,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.24/8.72 [2019-03-28 12:33:03,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.24/8.72 [2019-03-28 12:33:03,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.24/8.72 [2019-03-28 12:33:03,163 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.24/8.72 [2019-03-28 12:33:03,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.24/8.72 [2019-03-28 12:33:03,203 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.24/8.72 [2019-03-28 12:33:03,207 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.24/8.72 [2019-03-28 12:33:03,208 INFO L271 PluginConnector]: Initializing CDTParser... 13.24/8.72 [2019-03-28 12:33:03,208 INFO L276 PluginConnector]: CDTParser initialized 13.24/8.72 [2019-03-28 12:33:03,209 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.24/8.72 [2019-03-28 12:33:03,281 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/87650d5b957f43fcbe3eb19054191b97/FLAG41d1e1c8d 13.24/8.72 [2019-03-28 12:33:03,839 INFO L307 CDTParser]: Found 1 translation units. 13.24/8.72 [2019-03-28 12:33:03,840 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.24/8.72 [2019-03-28 12:33:03,846 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/87650d5b957f43fcbe3eb19054191b97/FLAG41d1e1c8d 13.24/8.72 [2019-03-28 12:33:04,947 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/87650d5b957f43fcbe3eb19054191b97 13.24/8.72 [2019-03-28 12:33:04,958 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.24/8.72 [2019-03-28 12:33:04,960 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.24/8.72 [2019-03-28 12:33:04,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.24/8.72 [2019-03-28 12:33:04,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.24/8.72 [2019-03-28 12:33:04,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.24/8.72 [2019-03-28 12:33:04,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:04" (1/1) ... 13.24/8.72 [2019-03-28 12:33:04,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a20a557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:04, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:04,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:04" (1/1) ... 13.24/8.72 [2019-03-28 12:33:04,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.24/8.72 [2019-03-28 12:33:04,994 INFO L176 MainTranslator]: Built tables and reachable declarations 13.24/8.72 [2019-03-28 12:33:05,151 INFO L206 PostProcessor]: Analyzing one entry point: main 13.24/8.72 [2019-03-28 12:33:05,156 INFO L191 MainTranslator]: Completed pre-run 13.24/8.72 [2019-03-28 12:33:05,172 INFO L206 PostProcessor]: Analyzing one entry point: main 13.24/8.72 [2019-03-28 12:33:05,187 INFO L195 MainTranslator]: Completed translation 13.24/8.72 [2019-03-28 12:33:05,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05 WrapperNode 13.24/8.72 [2019-03-28 12:33:05,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.24/8.72 [2019-03-28 12:33:05,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.24/8.72 [2019-03-28 12:33:05,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.24/8.72 [2019-03-28 12:33:05,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.24/8.72 [2019-03-28 12:33:05,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.24/8.72 [2019-03-28 12:33:05,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.24/8.72 [2019-03-28 12:33:05,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.24/8.72 [2019-03-28 12:33:05,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.24/8.72 [2019-03-28 12:33:05,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.24/8.72 [2019-03-28 12:33:05,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.24/8.72 [2019-03-28 12:33:05,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.24/8.72 [2019-03-28 12:33:05,314 INFO L276 PluginConnector]: RCFGBuilder initialized 13.24/8.72 [2019-03-28 12:33:05,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (1/1) ... 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.24/8.72 [2019-03-28 12:33:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.24/8.72 [2019-03-28 12:33:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.24/8.72 [2019-03-28 12:33:05,531 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.24/8.72 [2019-03-28 12:33:05,531 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.24/8.72 [2019-03-28 12:33:05,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:05 BoogieIcfgContainer 13.24/8.72 [2019-03-28 12:33:05,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.24/8.72 [2019-03-28 12:33:05,533 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.24/8.72 [2019-03-28 12:33:05,533 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.24/8.72 [2019-03-28 12:33:05,536 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.24/8.72 [2019-03-28 12:33:05,536 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:05" (1/1) ... 13.24/8.72 [2019-03-28 12:33:05,552 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.24/8.72 [2019-03-28 12:33:05,554 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.24/8.72 [2019-03-28 12:33:05,554 INFO L263 BlockEncoder]: Using Maximize final states 13.24/8.72 [2019-03-28 12:33:05,555 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.24/8.72 [2019-03-28 12:33:05,555 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.24/8.72 [2019-03-28 12:33:05,557 INFO L296 BlockEncoder]: Using Remove sink states 13.24/8.72 [2019-03-28 12:33:05,558 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.24/8.72 [2019-03-28 12:33:05,558 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.24/8.72 [2019-03-28 12:33:05,573 INFO L185 BlockEncoder]: Using Use SBE 13.24/8.72 [2019-03-28 12:33:05,580 INFO L200 BlockEncoder]: SBE split 0 edges 13.24/8.72 [2019-03-28 12:33:05,585 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.24/8.72 [2019-03-28 12:33:05,587 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.24/8.72 [2019-03-28 12:33:05,603 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.24/8.72 [2019-03-28 12:33:05,605 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.24/8.72 [2019-03-28 12:33:05,607 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.24/8.72 [2019-03-28 12:33:05,607 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.24/8.72 [2019-03-28 12:33:05,610 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 13.24/8.72 [2019-03-28 12:33:05,611 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.24/8.72 [2019-03-28 12:33:05,611 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.24/8.72 [2019-03-28 12:33:05,611 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.24/8.72 [2019-03-28 12:33:05,611 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.24/8.72 [2019-03-28 12:33:05,612 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.24/8.72 [2019-03-28 12:33:05,612 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.24/8.72 [2019-03-28 12:33:05,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:05 BasicIcfg 13.24/8.72 [2019-03-28 12:33:05,612 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.24/8.72 [2019-03-28 12:33:05,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.24/8.72 [2019-03-28 12:33:05,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.24/8.72 [2019-03-28 12:33:05,617 INFO L276 PluginConnector]: TraceAbstraction initialized 13.24/8.72 [2019-03-28 12:33:05,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:33:04" (1/4) ... 13.24/8.72 [2019-03-28 12:33:05,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722b74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (2/4) ... 13.24/8.72 [2019-03-28 12:33:05,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722b74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:05" (3/4) ... 13.24/8.72 [2019-03-28 12:33:05,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722b74bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:05" (4/4) ... 13.24/8.72 [2019-03-28 12:33:05,621 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.24/8.72 [2019-03-28 12:33:05,631 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.24/8.72 [2019-03-28 12:33:05,639 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.24/8.72 [2019-03-28 12:33:05,656 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.24/8.72 [2019-03-28 12:33:05,685 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.24/8.72 [2019-03-28 12:33:05,686 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.24/8.72 [2019-03-28 12:33:05,686 INFO L383 AbstractCegarLoop]: Hoare is true 13.24/8.72 [2019-03-28 12:33:05,686 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.24/8.72 [2019-03-28 12:33:05,686 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.24/8.72 [2019-03-28 12:33:05,687 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.24/8.72 [2019-03-28 12:33:05,687 INFO L387 AbstractCegarLoop]: Difference is false 13.24/8.72 [2019-03-28 12:33:05,687 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.24/8.72 [2019-03-28 12:33:05,687 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.24/8.72 [2019-03-28 12:33:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.24/8.72 [2019-03-28 12:33:05,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.24/8.72 [2019-03-28 12:33:05,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.24/8.72 [2019-03-28 12:33:05,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.24/8.72 [2019-03-28 12:33:05,760 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. 13.24/8.72 [2019-03-28 12:33:05,761 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 19 28) the Hoare annotation is: true 13.24/8.72 [2019-03-28 12:33:05,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:05 BasicIcfg 13.24/8.72 [2019-03-28 12:33:05,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.24/8.72 [2019-03-28 12:33:05,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.24/8.72 [2019-03-28 12:33:05,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.24/8.72 [2019-03-28 12:33:05,773 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.24/8.72 [2019-03-28 12:33:05,774 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.24/8.72 [2019-03-28 12:33:05,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:33:04" (1/5) ... 13.24/8.72 [2019-03-28 12:33:05,775 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@757031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,775 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.24/8.72 [2019-03-28 12:33:05,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:05" (2/5) ... 13.24/8.72 [2019-03-28 12:33:05,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@757031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,776 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.24/8.72 [2019-03-28 12:33:05,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:05" (3/5) ... 13.24/8.72 [2019-03-28 12:33:05,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@757031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,776 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.24/8.72 [2019-03-28 12:33:05,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:05" (4/5) ... 13.24/8.72 [2019-03-28 12:33:05,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@757031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:05, skipping insertion in model container 13.24/8.72 [2019-03-28 12:33:05,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.24/8.72 [2019-03-28 12:33:05,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:05" (5/5) ... 13.24/8.72 [2019-03-28 12:33:05,779 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.24/8.72 [2019-03-28 12:33:05,807 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.24/8.72 [2019-03-28 12:33:05,807 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.24/8.72 [2019-03-28 12:33:05,808 INFO L375 BuchiCegarLoop]: Hoare is true 13.24/8.72 [2019-03-28 12:33:05,808 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.24/8.72 [2019-03-28 12:33:05,808 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.24/8.72 [2019-03-28 12:33:05,808 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.24/8.72 [2019-03-28 12:33:05,808 INFO L379 BuchiCegarLoop]: Difference is false 13.24/8.72 [2019-03-28 12:33:05,808 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.24/8.72 [2019-03-28 12:33:05,808 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.24/8.72 [2019-03-28 12:33:05,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.24/8.72 [2019-03-28 12:33:05,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.24/8.72 [2019-03-28 12:33:05,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.24/8.72 [2019-03-28 12:33:05,831 INFO L119 BuchiIsEmpty]: Starting construction of run 13.24/8.72 [2019-03-28 12:33:05,836 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.24/8.72 [2019-03-28 12:33:05,837 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.24/8.72 [2019-03-28 12:33:05,837 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.24/8.72 [2019-03-28 12:33:05,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.24/8.72 [2019-03-28 12:33:05,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.24/8.72 [2019-03-28 12:33:05,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.24/8.72 [2019-03-28 12:33:05,838 INFO L119 BuchiIsEmpty]: Starting construction of run 13.24/8.72 [2019-03-28 12:33:05,838 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.24/8.72 [2019-03-28 12:33:05,838 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.24/8.72 [2019-03-28 12:33:05,843 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L20-2true 13.24/8.72 [2019-03-28 12:33:05,844 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [35] L20-2-->L20: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 5#L20true [38] L20-->L20-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_5) (= v_ULTIMATE.start_main_~x~0_4 (+ v_ULTIMATE.start_main_~x~0_5 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L20-2true 13.24/8.72 [2019-03-28 12:33:05,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:05,851 INFO L82 PathProgramCache]: Analyzing trace with hash 60, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:05,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:05,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:05,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:05,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2084, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:05,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:05,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:05,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:05,939 INFO L82 PathProgramCache]: Analyzing trace with hash 58783, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:05,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:05,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:05,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:05,978 INFO L216 LassoAnalysis]: Preferences: 13.24/8.72 [2019-03-28 12:33:05,979 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.24/8.72 [2019-03-28 12:33:05,979 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.24/8.72 [2019-03-28 12:33:05,979 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.24/8.72 [2019-03-28 12:33:05,980 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.24/8.72 [2019-03-28 12:33:05,980 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:05,980 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.24/8.72 [2019-03-28 12:33:05,980 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.24/8.72 [2019-03-28 12:33:05,980 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.24/8.72 [2019-03-28 12:33:05,981 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.24/8.72 [2019-03-28 12:33:05,981 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.24/8.72 [2019-03-28 12:33:06,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,043 INFO L300 LassoAnalysis]: Preprocessing complete. 13.24/8.72 [2019-03-28 12:33:06,044 INFO L412 LassoAnalysis]: Checking for nontermination... 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,052 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.24/8.72 [2019-03-28 12:33:06,053 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,086 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.24/8.72 [2019-03-28 12:33:06,086 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.24/8.72 [2019-03-28 12:33:06,119 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.24/8.72 [2019-03-28 12:33:06,121 INFO L216 LassoAnalysis]: Preferences: 13.24/8.72 [2019-03-28 12:33:06,121 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.24/8.72 [2019-03-28 12:33:06,121 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.24/8.72 [2019-03-28 12:33:06,122 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.24/8.72 [2019-03-28 12:33:06,122 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.24/8.72 [2019-03-28 12:33:06,122 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,122 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.24/8.72 [2019-03-28 12:33:06,122 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.24/8.72 [2019-03-28 12:33:06,122 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.24/8.72 [2019-03-28 12:33:06,123 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.24/8.72 [2019-03-28 12:33:06,123 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.24/8.72 [2019-03-28 12:33:06,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,151 INFO L300 LassoAnalysis]: Preprocessing complete. 13.24/8.72 [2019-03-28 12:33:06,157 INFO L497 LassoAnalysis]: Using template 'affine'. 13.24/8.72 [2019-03-28 12:33:06,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.24/8.72 Termination analysis: LINEAR_WITH_GUESSES 13.24/8.72 Number of strict supporting invariants: 0 13.24/8.72 Number of non-strict supporting invariants: 1 13.24/8.72 Consider only non-deceasing supporting invariants: true 13.24/8.72 Simplify termination arguments: true 13.24/8.72 Simplify supporting invariants: trueOverapproximate stem: false 13.24/8.72 [2019-03-28 12:33:06,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.24/8.72 [2019-03-28 12:33:06,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.24/8.72 [2019-03-28 12:33:06,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.24/8.72 [2019-03-28 12:33:06,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.24/8.72 [2019-03-28 12:33:06,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.24/8.72 [2019-03-28 12:33:06,164 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.24/8.72 [2019-03-28 12:33:06,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.24/8.72 [2019-03-28 12:33:06,172 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.24/8.72 [2019-03-28 12:33:06,179 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.24/8.72 [2019-03-28 12:33:06,179 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.24/8.72 [2019-03-28 12:33:06,181 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.24/8.72 [2019-03-28 12:33:06,181 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.24/8.72 [2019-03-28 12:33:06,182 INFO L518 LassoAnalysis]: Proved termination. 13.24/8.72 [2019-03-28 12:33:06,182 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.24/8.72 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 13.24/8.72 Supporting invariants [] 13.24/8.72 [2019-03-28 12:33:06,184 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.24/8.72 [2019-03-28 12:33:06,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.24/8.72 [2019-03-28 12:33:06,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.24/8.72 [2019-03-28 12:33:06,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.24/8.72 [2019-03-28 12:33:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.24/8.72 [2019-03-28 12:33:06,239 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 13.24/8.72 [2019-03-28 12:33:06,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.24/8.72 [2019-03-28 12:33:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.24/8.72 [2019-03-28 12:33:06,255 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.24/8.72 [2019-03-28 12:33:06,260 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 13.24/8.72 [2019-03-28 12:33:06,261 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.24/8.72 [2019-03-28 12:33:06,285 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 4 states. 13.24/8.72 [2019-03-28 12:33:06,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 13.24/8.72 [2019-03-28 12:33:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.24/8.72 [2019-03-28 12:33:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 13.24/8.72 [2019-03-28 12:33:06,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 13.24/8.72 [2019-03-28 12:33:06,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 13.24/8.72 [2019-03-28 12:33:06,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 13.24/8.72 [2019-03-28 12:33:06,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.24/8.72 [2019-03-28 12:33:06,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.24/8.72 [2019-03-28 12:33:06,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 13.24/8.72 [2019-03-28 12:33:06,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.24/8.72 [2019-03-28 12:33:06,305 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 13.24/8.72 [2019-03-28 12:33:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 13.24/8.72 [2019-03-28 12:33:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 13.24/8.72 [2019-03-28 12:33:06,333 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 13.24/8.72 [2019-03-28 12:33:06,333 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 13.24/8.72 [2019-03-28 12:33:06,333 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.24/8.72 [2019-03-28 12:33:06,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 13.24/8.72 [2019-03-28 12:33:06,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.24/8.72 [2019-03-28 12:33:06,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.24/8.72 [2019-03-28 12:33:06,334 INFO L119 BuchiIsEmpty]: Starting construction of run 13.24/8.72 [2019-03-28 12:33:06,334 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.24/8.72 [2019-03-28 12:33:06,335 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.24/8.72 [2019-03-28 12:33:06,335 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 43#L20-2 [35] L20-2-->L20: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 45#L20 13.24/8.72 [2019-03-28 12:33:06,335 INFO L796 eck$LassoCheckResult]: Loop: 45#L20 [45] L20-->L20-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_7 0) (= (+ v_ULTIMATE.start_main_~y~0_11 (- 1)) v_ULTIMATE.start_main_~y~0_10) (<= 0 v_ULTIMATE.start_main_~y~0_11)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 44#L20-2 [35] L20-2-->L20: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 45#L20 13.24/8.72 [2019-03-28 12:33:06,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:06,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1895, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:06,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:06,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:06,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:06,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2391, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:06,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:06,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:06,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1822525, now seen corresponding path program 1 times 13.24/8.72 [2019-03-28 12:33:06,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.24/8.72 [2019-03-28 12:33:06,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.24/8.72 [2019-03-28 12:33:06,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.24/8.72 [2019-03-28 12:33:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.24/8.72 [2019-03-28 12:33:06,371 INFO L216 LassoAnalysis]: Preferences: 13.24/8.72 [2019-03-28 12:33:06,371 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.24/8.72 [2019-03-28 12:33:06,371 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.24/8.72 [2019-03-28 12:33:06,371 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.24/8.72 [2019-03-28 12:33:06,371 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.24/8.72 [2019-03-28 12:33:06,371 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,372 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.24/8.72 [2019-03-28 12:33:06,372 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.24/8.72 [2019-03-28 12:33:06,372 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.24/8.72 [2019-03-28 12:33:06,372 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.24/8.72 [2019-03-28 12:33:06,372 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.24/8.72 [2019-03-28 12:33:06,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,427 INFO L300 LassoAnalysis]: Preprocessing complete. 13.24/8.72 [2019-03-28 12:33:06,427 INFO L412 LassoAnalysis]: Checking for nontermination... 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,436 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.24/8.72 [2019-03-28 12:33:06,436 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.24/8.72 [2019-03-28 12:33:06,469 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.24/8.72 [2019-03-28 12:33:06,469 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.24/8.72 [2019-03-28 12:33:06,475 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.24/8.72 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.24/8.72 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.24/8.72 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.24/8.72 [2019-03-28 12:33:06,509 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.24/8.72 [2019-03-28 12:33:06,539 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.24/8.72 [2019-03-28 12:33:06,541 INFO L216 LassoAnalysis]: Preferences: 13.24/8.72 [2019-03-28 12:33:06,542 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.24/8.72 [2019-03-28 12:33:06,542 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.24/8.72 [2019-03-28 12:33:06,542 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.24/8.72 [2019-03-28 12:33:06,542 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.24/8.72 [2019-03-28 12:33:06,542 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.24/8.72 [2019-03-28 12:33:06,542 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.24/8.72 [2019-03-28 12:33:06,542 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.24/8.72 [2019-03-28 12:33:06,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.24/8.72 [2019-03-28 12:33:06,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.24/8.72 [2019-03-28 12:33:06,543 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.24/8.72 [2019-03-28 12:33:06,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.24/8.72 [2019-03-28 12:33:06,576 INFO L300 LassoAnalysis]: Preprocessing complete. 13.24/8.72 [2019-03-28 12:33:06,576 INFO L497 LassoAnalysis]: Using template 'affine'. 13.24/8.72 [2019-03-28 12:33:06,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.24/8.72 Termination analysis: LINEAR_WITH_GUESSES 13.24/8.72 Number of strict supporting invariants: 0 13.24/8.72 Number of non-strict supporting invariants: 1 13.24/8.72 Consider only non-deceasing supporting invariants: true 13.24/8.72 Simplify termination arguments: true 13.24/8.72 Simplify supporting invariants: trueOverapproximate stem: false 13.24/8.72 [2019-03-28 12:33:06,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.24/8.72 [2019-03-28 12:33:06,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.24/8.72 [2019-03-28 12:33:06,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.24/8.72 [2019-03-28 12:33:06,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.24/8.72 [2019-03-28 12:33:06,578 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.24/8.72 [2019-03-28 12:33:06,579 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.24/8.72 [2019-03-28 12:33:06,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.24/8.72 [2019-03-28 12:33:06,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.24/8.72 [2019-03-28 12:33:06,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.24/8.72 Termination analysis: LINEAR_WITH_GUESSES 13.24/8.72 Number of strict supporting invariants: 0 13.24/8.72 Number of non-strict supporting invariants: 1 13.24/8.72 Consider only non-deceasing supporting invariants: true 13.24/8.72 Simplify termination arguments: true 13.24/8.72 Simplify supporting invariants: trueOverapproximate stem: false 13.24/8.72 [2019-03-28 12:33:06,581 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.24/8.72 [2019-03-28 12:33:06,581 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.24/8.72 [2019-03-28 12:33:06,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.24/8.72 [2019-03-28 12:33:06,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.24/8.72 [2019-03-28 12:33:06,582 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.24/8.72 [2019-03-28 12:33:06,583 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.24/8.72 [2019-03-28 12:33:06,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.24/8.72 [2019-03-28 12:33:06,588 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.24/8.72 [2019-03-28 12:33:06,591 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.24/8.72 [2019-03-28 12:33:06,591 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.24/8.72 [2019-03-28 12:33:06,592 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.24/8.72 [2019-03-28 12:33:06,592 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.24/8.72 [2019-03-28 12:33:06,592 INFO L518 LassoAnalysis]: Proved termination. 13.24/8.72 [2019-03-28 12:33:06,592 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.24/8.72 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 13.24/8.72 Supporting invariants [] 13.24/8.72 [2019-03-28 12:33:06,593 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.24/8.72 [2019-03-28 12:33:06,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.24/8.72 [2019-03-28 12:33:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.24/8.72 [2019-03-28 12:33:06,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 13.24/8.72 [2019-03-28 12:33:06,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.24/8.72 [2019-03-28 12:33:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.24/8.72 [2019-03-28 12:33:06,618 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.24/8.72 [2019-03-28 12:33:06,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.24/8.72 [2019-03-28 12:33:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.24/8.72 [2019-03-28 12:33:06,649 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.24/8.72 [2019-03-28 12:33:06,649 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 13.24/8.72 [2019-03-28 12:33:06,650 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 13.24/8.72 [2019-03-28 12:33:06,656 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 7 states. 13.24/8.72 [2019-03-28 12:33:06,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 13.24/8.72 [2019-03-28 12:33:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.24/8.72 [2019-03-28 12:33:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 13.24/8.72 [2019-03-28 12:33:06,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 13.24/8.72 [2019-03-28 12:33:06,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 13.24/8.72 [2019-03-28 12:33:06,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 13.24/8.72 [2019-03-28 12:33:06,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.24/8.72 [2019-03-28 12:33:06,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. 13.24/8.72 [2019-03-28 12:33:06,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.24/8.72 [2019-03-28 12:33:06,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.24/8.72 [2019-03-28 12:33:06,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.24/8.72 [2019-03-28 12:33:06,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.24/8.72 [2019-03-28 12:33:06,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.24/8.72 [2019-03-28 12:33:06,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.24/8.72 [2019-03-28 12:33:06,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.24/8.72 [2019-03-28 12:33:06,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:06 BasicIcfg 13.24/8.72 [2019-03-28 12:33:06,670 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.24/8.72 [2019-03-28 12:33:06,670 INFO L168 Benchmark]: Toolchain (without parser) took 1711.27 ms. Allocated memory was 649.6 MB in the beginning and 656.9 MB in the end (delta: 7.3 MB). Free memory was 559.0 MB in the beginning and 510.3 MB in the end (delta: 48.7 MB). Peak memory consumption was 56.1 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,672 INFO L168 Benchmark]: CDTParser took 0.17 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. 13.24/8.72 [2019-03-28 12:33:06,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.78 ms. Allocated memory is still 649.6 MB. Free memory was 559.0 MB in the beginning and 549.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.12 ms. Allocated memory was 649.6 MB in the beginning and 656.9 MB in the end (delta: 7.3 MB). Free memory was 549.1 MB in the beginning and 624.9 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,674 INFO L168 Benchmark]: Boogie Preprocessor took 21.08 ms. Allocated memory is still 656.9 MB. Free memory was 624.9 MB in the beginning and 621.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,674 INFO L168 Benchmark]: RCFGBuilder took 218.73 ms. Allocated memory is still 656.9 MB. Free memory was 621.0 MB in the beginning and 608.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,675 INFO L168 Benchmark]: BlockEncodingV2 took 79.62 ms. Allocated memory is still 656.9 MB. Free memory was 608.6 MB in the beginning and 603.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,676 INFO L168 Benchmark]: TraceAbstraction took 155.69 ms. Allocated memory is still 656.9 MB. Free memory was 603.2 MB in the beginning and 594.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,676 INFO L168 Benchmark]: BuchiAutomizer took 899.92 ms. Allocated memory is still 656.9 MB. Free memory was 593.5 MB in the beginning and 510.3 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 50.3 GB. 13.24/8.72 [2019-03-28 12:33:06,680 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.24/8.72 --- Results --- 13.24/8.72 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.24/8.72 - StatisticsResult: Initial Icfg 13.24/8.72 8 locations, 11 edges 13.24/8.72 - StatisticsResult: Encoded RCFG 13.24/8.72 3 locations, 4 edges 13.24/8.72 * Results from de.uni_freiburg.informatik.ultimate.core: 13.24/8.72 - StatisticsResult: Toolchain Benchmarks 13.24/8.72 Benchmark results are: 13.24/8.72 * CDTParser took 0.17 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. 13.24/8.72 * CACSL2BoogieTranslator took 227.78 ms. Allocated memory is still 649.6 MB. Free memory was 559.0 MB in the beginning and 549.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.24/8.72 * Boogie Procedure Inliner took 103.12 ms. Allocated memory was 649.6 MB in the beginning and 656.9 MB in the end (delta: 7.3 MB). Free memory was 549.1 MB in the beginning and 624.9 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 50.3 GB. 13.24/8.72 * Boogie Preprocessor took 21.08 ms. Allocated memory is still 656.9 MB. Free memory was 624.9 MB in the beginning and 621.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 13.24/8.72 * RCFGBuilder took 218.73 ms. Allocated memory is still 656.9 MB. Free memory was 621.0 MB in the beginning and 608.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 13.24/8.72 * BlockEncodingV2 took 79.62 ms. Allocated memory is still 656.9 MB. Free memory was 608.6 MB in the beginning and 603.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.24/8.72 * TraceAbstraction took 155.69 ms. Allocated memory is still 656.9 MB. Free memory was 603.2 MB in the beginning and 594.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 13.24/8.72 * BuchiAutomizer took 899.92 ms. Allocated memory is still 656.9 MB. Free memory was 593.5 MB in the beginning and 510.3 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 50.3 GB. 13.24/8.72 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.24/8.72 - AllSpecificationsHoldResult: All specifications hold 13.24/8.72 We were not able to verify any specifiation because the program does not contain any specification. 13.24/8.72 - InvariantResult [Line: 19]: Loop Invariant 13.24/8.72 Derived loop invariant: 1 13.24/8.72 - StatisticsResult: Ultimate Automizer benchmark data 13.24/8.72 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.24/8.72 - StatisticsResult: Constructed decomposition of program 13.24/8.72 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. 13.24/8.72 - StatisticsResult: Timing statistics 13.24/8.72 BüchiAutomizer plugin needed 0.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp88 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 13.24/8.72 - TerminationAnalysisResult: Termination proven 13.24/8.72 Buchi Automizer proved that your program is terminating 13.24/8.72 RESULT: Ultimate proved your program to be correct! 13.24/8.72 !SESSION 2019-03-28 12:33:00.454 ----------------------------------------------- 13.24/8.72 eclipse.buildId=unknown 13.24/8.72 java.version=1.8.0_181 13.24/8.72 java.vendor=Oracle Corporation 13.24/8.72 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.24/8.72 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.24/8.72 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.24/8.72 13.24/8.72 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:33:06.912 13.24/8.72 !MESSAGE The workspace will exit with unsaved changes in this session. 13.24/8.72 Received shutdown request... 13.24/8.72 Ultimate: 13.24/8.72 GTK+ Version Check 13.24/8.72 EOF