11.95/7.98 YES 11.95/7.98 11.95/7.98 Ultimate: Cannot open display: 11.95/7.98 This is Ultimate 0.1.24-8dc7c08-m 11.95/7.98 [2019-03-28 11:54:02,098 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.95/7.98 [2019-03-28 11:54:02,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.95/7.98 [2019-03-28 11:54:02,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,112 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.95/7.98 [2019-03-28 11:54:02,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.95/7.98 [2019-03-28 11:54:02,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.95/7.98 [2019-03-28 11:54:02,115 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.95/7.98 [2019-03-28 11:54:02,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.95/7.98 [2019-03-28 11:54:02,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.95/7.98 [2019-03-28 11:54:02,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.95/7.98 [2019-03-28 11:54:02,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.95/7.98 [2019-03-28 11:54:02,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.95/7.98 [2019-03-28 11:54:02,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.95/7.98 [2019-03-28 11:54:02,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.95/7.98 [2019-03-28 11:54:02,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.95/7.98 [2019-03-28 11:54:02,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.95/7.98 [2019-03-28 11:54:02,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.95/7.98 [2019-03-28 11:54:02,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.95/7.98 [2019-03-28 11:54:02,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.95/7.98 [2019-03-28 11:54:02,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.95/7.98 [2019-03-28 11:54:02,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.95/7.98 [2019-03-28 11:54:02,134 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.95/7.98 [2019-03-28 11:54:02,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.95/7.98 [2019-03-28 11:54:02,135 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.95/7.98 [2019-03-28 11:54:02,136 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.95/7.98 [2019-03-28 11:54:02,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.95/7.98 [2019-03-28 11:54:02,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.95/7.98 [2019-03-28 11:54:02,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.95/7.98 [2019-03-28 11:54:02,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.95/7.98 [2019-03-28 11:54:02,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.95/7.98 [2019-03-28 11:54:02,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.95/7.98 [2019-03-28 11:54:02,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.95/7.98 [2019-03-28 11:54:02,141 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.95/7.98 [2019-03-28 11:54:02,156 INFO L110 SettingsManager]: Loading preferences was successful 11.95/7.98 [2019-03-28 11:54:02,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.95/7.98 [2019-03-28 11:54:02,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.95/7.98 [2019-03-28 11:54:02,157 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.95/7.98 [2019-03-28 11:54:02,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.95/7.98 [2019-03-28 11:54:02,158 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.95/7.98 [2019-03-28 11:54:02,158 INFO L133 SettingsManager]: * Use SBE=true 11.95/7.98 [2019-03-28 11:54:02,158 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.95/7.98 [2019-03-28 11:54:02,158 INFO L133 SettingsManager]: * Use old map elimination=false 11.95/7.98 [2019-03-28 11:54:02,159 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.95/7.98 [2019-03-28 11:54:02,159 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.95/7.98 [2019-03-28 11:54:02,159 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.95/7.98 [2019-03-28 11:54:02,159 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.95/7.98 [2019-03-28 11:54:02,159 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.95/7.98 [2019-03-28 11:54:02,160 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.95/7.98 [2019-03-28 11:54:02,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.95/7.98 [2019-03-28 11:54:02,160 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.95/7.98 [2019-03-28 11:54:02,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.95/7.98 [2019-03-28 11:54:02,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.95/7.98 [2019-03-28 11:54:02,161 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.95/7.98 [2019-03-28 11:54:02,161 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.95/7.98 [2019-03-28 11:54:02,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.95/7.98 [2019-03-28 11:54:02,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.95/7.98 [2019-03-28 11:54:02,161 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.95/7.98 [2019-03-28 11:54:02,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.95/7.98 [2019-03-28 11:54:02,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.95/7.98 [2019-03-28 11:54:02,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.95/7.98 [2019-03-28 11:54:02,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.95/7.98 [2019-03-28 11:54:02,162 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.95/7.98 [2019-03-28 11:54:02,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.95/7.98 [2019-03-28 11:54:02,201 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.95/7.98 [2019-03-28 11:54:02,204 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.95/7.98 [2019-03-28 11:54:02,206 INFO L271 PluginConnector]: Initializing CDTParser... 11.95/7.98 [2019-03-28 11:54:02,206 INFO L276 PluginConnector]: CDTParser initialized 11.95/7.98 [2019-03-28 11:54:02,207 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.95/7.98 [2019-03-28 11:54:02,313 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/8064a1c33bed42ffbd569d2b96d86a9d/FLAG91c1f9abf 11.95/7.98 [2019-03-28 11:54:02,972 INFO L307 CDTParser]: Found 1 translation units. 11.95/7.98 [2019-03-28 11:54:02,973 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.95/7.98 [2019-03-28 11:54:02,980 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/8064a1c33bed42ffbd569d2b96d86a9d/FLAG91c1f9abf 11.95/7.98 [2019-03-28 11:54:04,314 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/8064a1c33bed42ffbd569d2b96d86a9d 11.95/7.98 [2019-03-28 11:54:04,326 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.95/7.98 [2019-03-28 11:54:04,327 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.95/7.98 [2019-03-28 11:54:04,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.95/7.98 [2019-03-28 11:54:04,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.95/7.98 [2019-03-28 11:54:04,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.95/7.98 [2019-03-28 11:54:04,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3ac2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:04,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.95/7.98 [2019-03-28 11:54:04,361 INFO L176 MainTranslator]: Built tables and reachable declarations 11.95/7.98 [2019-03-28 11:54:04,515 INFO L206 PostProcessor]: Analyzing one entry point: main 11.95/7.98 [2019-03-28 11:54:04,520 INFO L191 MainTranslator]: Completed pre-run 11.95/7.98 [2019-03-28 11:54:04,534 INFO L206 PostProcessor]: Analyzing one entry point: main 11.95/7.98 [2019-03-28 11:54:04,548 INFO L195 MainTranslator]: Completed translation 11.95/7.98 [2019-03-28 11:54:04,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04 WrapperNode 11.95/7.98 [2019-03-28 11:54:04,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.95/7.98 [2019-03-28 11:54:04,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.95/7.98 [2019-03-28 11:54:04,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.95/7.98 [2019-03-28 11:54:04,550 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.95/7.98 [2019-03-28 11:54:04,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.95/7.98 [2019-03-28 11:54:04,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.95/7.98 [2019-03-28 11:54:04,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.95/7.98 [2019-03-28 11:54:04,657 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.95/7.98 [2019-03-28 11:54:04,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.95/7.98 [2019-03-28 11:54:04,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.95/7.98 [2019-03-28 11:54:04,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.95/7.98 [2019-03-28 11:54:04,676 INFO L276 PluginConnector]: RCFGBuilder initialized 11.95/7.98 [2019-03-28 11:54:04,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (1/1) ... 11.95/7.98 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.95/7.98 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.95/7.98 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.95/7.98 [2019-03-28 11:54:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.95/7.98 [2019-03-28 11:54:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.95/7.98 [2019-03-28 11:54:04,851 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.95/7.98 [2019-03-28 11:54:04,851 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.95/7.98 [2019-03-28 11:54:04,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:54:04 BoogieIcfgContainer 11.95/7.98 [2019-03-28 11:54:04,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.95/7.98 [2019-03-28 11:54:04,853 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.95/7.98 [2019-03-28 11:54:04,853 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.95/7.98 [2019-03-28 11:54:04,855 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.95/7.98 [2019-03-28 11:54:04,856 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:54:04" (1/1) ... 11.95/7.98 [2019-03-28 11:54:04,869 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.95/7.98 [2019-03-28 11:54:04,871 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.95/7.98 [2019-03-28 11:54:04,872 INFO L263 BlockEncoder]: Using Maximize final states 11.95/7.98 [2019-03-28 11:54:04,872 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.95/7.98 [2019-03-28 11:54:04,873 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.95/7.98 [2019-03-28 11:54:04,874 INFO L296 BlockEncoder]: Using Remove sink states 11.95/7.98 [2019-03-28 11:54:04,875 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.95/7.98 [2019-03-28 11:54:04,875 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.95/7.98 [2019-03-28 11:54:04,890 INFO L185 BlockEncoder]: Using Use SBE 11.95/7.98 [2019-03-28 11:54:04,903 INFO L200 BlockEncoder]: SBE split 1 edges 11.95/7.98 [2019-03-28 11:54:04,907 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.95/7.98 [2019-03-28 11:54:04,909 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.95/7.98 [2019-03-28 11:54:04,918 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.95/7.98 [2019-03-28 11:54:04,920 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 11.95/7.98 [2019-03-28 11:54:04,922 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.95/7.98 [2019-03-28 11:54:04,922 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.95/7.98 [2019-03-28 11:54:04,925 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 11.95/7.98 [2019-03-28 11:54:04,925 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.95/7.98 [2019-03-28 11:54:04,926 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.95/7.98 [2019-03-28 11:54:04,926 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.95/7.98 [2019-03-28 11:54:04,926 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.95/7.98 [2019-03-28 11:54:04,926 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.95/7.98 [2019-03-28 11:54:04,927 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.95/7.98 [2019-03-28 11:54:04,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:54:04 BasicIcfg 11.95/7.98 [2019-03-28 11:54:04,927 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.95/7.98 [2019-03-28 11:54:04,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.95/7.98 [2019-03-28 11:54:04,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.95/7.98 [2019-03-28 11:54:04,932 INFO L276 PluginConnector]: TraceAbstraction initialized 11.95/7.98 [2019-03-28 11:54:04,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:54:04" (1/4) ... 11.95/7.98 [2019-03-28 11:54:04,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497647b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:54:04, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:04,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (2/4) ... 11.95/7.98 [2019-03-28 11:54:04,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497647b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:54:04, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:04,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:54:04" (3/4) ... 11.95/7.98 [2019-03-28 11:54:04,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497647b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:54:04, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:04,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:54:04" (4/4) ... 11.95/7.98 [2019-03-28 11:54:04,936 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.95/7.98 [2019-03-28 11:54:04,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.95/7.98 [2019-03-28 11:54:04,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.95/7.98 [2019-03-28 11:54:04,969 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.95/7.98 [2019-03-28 11:54:04,997 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.95/7.98 [2019-03-28 11:54:04,998 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.95/7.98 [2019-03-28 11:54:04,998 INFO L383 AbstractCegarLoop]: Hoare is true 11.95/7.98 [2019-03-28 11:54:04,998 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.95/7.98 [2019-03-28 11:54:04,998 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.95/7.98 [2019-03-28 11:54:04,998 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.95/7.98 [2019-03-28 11:54:04,998 INFO L387 AbstractCegarLoop]: Difference is false 11.95/7.98 [2019-03-28 11:54:04,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.95/7.98 [2019-03-28 11:54:04,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.95/7.98 [2019-03-28 11:54:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.95/7.98 [2019-03-28 11:54:05,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.95/7.98 [2019-03-28 11:54:05,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.95/7.98 [2019-03-28 11:54:05,070 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.95/7.98 [2019-03-28 11:54:05,070 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 28) the Hoare annotation is: true 11.95/7.98 [2019-03-28 11:54:05,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:54:05 BasicIcfg 11.95/7.98 [2019-03-28 11:54:05,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.95/7.98 [2019-03-28 11:54:05,079 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.95/7.98 [2019-03-28 11:54:05,079 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.95/7.98 [2019-03-28 11:54:05,082 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.95/7.98 [2019-03-28 11:54:05,083 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.95/7.98 [2019-03-28 11:54:05,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:54:04" (1/5) ... 11.95/7.98 [2019-03-28 11:54:05,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc9426a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:54:05, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:05,084 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.95/7.98 [2019-03-28 11:54:05,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:54:04" (2/5) ... 11.95/7.98 [2019-03-28 11:54:05,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc9426a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:54:05, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:05,084 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.95/7.98 [2019-03-28 11:54:05,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:54:04" (3/5) ... 11.95/7.98 [2019-03-28 11:54:05,085 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc9426a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:54:05, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:05,085 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.95/7.98 [2019-03-28 11:54:05,085 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:54:04" (4/5) ... 11.95/7.98 [2019-03-28 11:54:05,086 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc9426a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:54:05, skipping insertion in model container 11.95/7.98 [2019-03-28 11:54:05,086 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.95/7.98 [2019-03-28 11:54:05,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:54:05" (5/5) ... 11.95/7.98 [2019-03-28 11:54:05,087 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.95/7.98 [2019-03-28 11:54:05,116 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.95/7.98 [2019-03-28 11:54:05,116 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.95/7.98 [2019-03-28 11:54:05,116 INFO L375 BuchiCegarLoop]: Hoare is true 11.95/7.98 [2019-03-28 11:54:05,116 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.95/7.98 [2019-03-28 11:54:05,116 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.95/7.98 [2019-03-28 11:54:05,117 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.95/7.98 [2019-03-28 11:54:05,117 INFO L379 BuchiCegarLoop]: Difference is false 11.95/7.98 [2019-03-28 11:54:05,117 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.95/7.98 [2019-03-28 11:54:05,117 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.95/7.98 [2019-03-28 11:54:05,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.95/7.98 [2019-03-28 11:54:05,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.95/7.98 [2019-03-28 11:54:05,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.95/7.98 [2019-03-28 11:54:05,139 INFO L119 BuchiIsEmpty]: Starting construction of run 11.95/7.98 [2019-03-28 11:54:05,144 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.95/7.98 [2019-03-28 11:54:05,145 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.95/7.98 [2019-03-28 11:54:05,145 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.95/7.98 [2019-03-28 11:54:05,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.95/7.98 [2019-03-28 11:54:05,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.95/7.98 [2019-03-28 11:54:05,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.95/7.98 [2019-03-28 11:54:05,146 INFO L119 BuchiIsEmpty]: Starting construction of run 11.95/7.98 [2019-03-28 11:54:05,146 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.95/7.98 [2019-03-28 11:54:05,146 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.95/7.98 [2019-03-28 11:54:05,151 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L22-2: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L22-2true 11.95/7.98 [2019-03-28 11:54:05,151 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [38] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_main_~old_x~0_5 v_ULTIMATE.start_main_~x~0_10) (< 1 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~old_x~0_5 (* (- 2) v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L22-2true 11.95/7.98 [2019-03-28 11:54:05,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.95/7.98 [2019-03-28 11:54:05,157 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 11.95/7.98 [2019-03-28 11:54:05,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.95/7.98 [2019-03-28 11:54:05,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.95/7.98 [2019-03-28 11:54:05,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.95/7.98 [2019-03-28 11:54:05,221 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 11.95/7.98 [2019-03-28 11:54:05,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.95/7.98 [2019-03-28 11:54:05,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.95/7.98 [2019-03-28 11:54:05,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.95/7.98 [2019-03-28 11:54:05,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1712, now seen corresponding path program 1 times 11.95/7.98 [2019-03-28 11:54:05,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.95/7.98 [2019-03-28 11:54:05,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.95/7.98 [2019-03-28 11:54:05,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.95/7.98 [2019-03-28 11:54:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.95/7.98 [2019-03-28 11:54:05,302 INFO L216 LassoAnalysis]: Preferences: 11.95/7.98 [2019-03-28 11:54:05,303 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.95/7.98 [2019-03-28 11:54:05,303 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.95/7.98 [2019-03-28 11:54:05,303 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.95/7.98 [2019-03-28 11:54:05,303 INFO L127 ssoRankerPreferences]: Use exernal solver: true 11.95/7.98 [2019-03-28 11:54:05,304 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.95/7.98 [2019-03-28 11:54:05,304 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.95/7.98 [2019-03-28 11:54:05,304 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.95/7.98 [2019-03-28 11:54:05,304 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 11.95/7.98 [2019-03-28 11:54:05,304 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.95/7.98 [2019-03-28 11:54:05,305 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.95/7.98 [2019-03-28 11:54:05,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.95/7.98 [2019-03-28 11:54:05,399 INFO L300 LassoAnalysis]: Preprocessing complete. 11.95/7.98 [2019-03-28 11:54:05,400 INFO L412 LassoAnalysis]: Checking for nontermination... 11.95/7.98 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.95/7.98 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.95/7.98 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.95/7.98 [2019-03-28 11:54:05,405 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 11.95/7.98 [2019-03-28 11:54:05,405 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.95/7.98 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.95/7.98 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 11.95/7.98 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.95/7.98 [2019-03-28 11:54:05,442 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 11.95/7.98 [2019-03-28 11:54:05,442 INFO L163 nArgumentSynthesizer]: Using integer mode. 11.95/7.98 [2019-03-28 11:54:05,647 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 11.95/7.98 [2019-03-28 11:54:05,649 INFO L216 LassoAnalysis]: Preferences: 11.95/7.98 [2019-03-28 11:54:05,650 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 11.95/7.98 [2019-03-28 11:54:05,650 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 11.95/7.98 [2019-03-28 11:54:05,650 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 11.95/7.98 [2019-03-28 11:54:05,650 INFO L127 ssoRankerPreferences]: Use exernal solver: false 11.95/7.98 [2019-03-28 11:54:05,650 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 11.95/7.98 [2019-03-28 11:54:05,650 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 11.95/7.98 [2019-03-28 11:54:05,650 INFO L130 ssoRankerPreferences]: Path of dumped script: 11.95/7.98 [2019-03-28 11:54:05,651 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 11.95/7.98 [2019-03-28 11:54:05,651 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 11.95/7.98 [2019-03-28 11:54:05,651 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 11.95/7.98 [2019-03-28 11:54:05,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 11.95/7.98 [2019-03-28 11:54:05,724 INFO L300 LassoAnalysis]: Preprocessing complete. 11.95/7.98 [2019-03-28 11:54:05,730 INFO L497 LassoAnalysis]: Using template 'affine'. 11.95/7.98 [2019-03-28 11:54:05,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 11.95/7.98 Termination analysis: LINEAR_WITH_GUESSES 11.95/7.98 Number of strict supporting invariants: 0 11.95/7.98 Number of non-strict supporting invariants: 1 11.95/7.98 Consider only non-deceasing supporting invariants: true 11.95/7.98 Simplify termination arguments: true 11.95/7.98 Simplify supporting invariants: trueOverapproximate stem: false 11.95/7.98 [2019-03-28 11:54:05,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. 11.95/7.98 [2019-03-28 11:54:05,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 11.95/7.98 [2019-03-28 11:54:05,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 11.95/7.98 [2019-03-28 11:54:05,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 11.95/7.98 [2019-03-28 11:54:05,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 11.95/7.98 [2019-03-28 11:54:05,737 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 11.95/7.98 [2019-03-28 11:54:05,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 11.95/7.98 [2019-03-28 11:54:05,749 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 11.95/7.98 [2019-03-28 11:54:05,760 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 11.95/7.98 [2019-03-28 11:54:05,760 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 11.95/7.98 [2019-03-28 11:54:05,762 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 11.95/7.98 [2019-03-28 11:54:05,763 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 11.95/7.98 [2019-03-28 11:54:05,763 INFO L518 LassoAnalysis]: Proved termination. 11.95/7.98 [2019-03-28 11:54:05,764 INFO L520 LassoAnalysis]: Termination argument consisting of: 11.95/7.98 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 11.95/7.98 Supporting invariants [] 11.95/7.98 [2019-03-28 11:54:05,765 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 11.95/7.98 [2019-03-28 11:54:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.95/7.98 [2019-03-28 11:54:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.95/7.98 [2019-03-28 11:54:05,800 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 11.95/7.98 [2019-03-28 11:54:05,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... 11.95/7.98 [2019-03-28 11:54:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.95/7.98 [2019-03-28 11:54:05,813 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 11.95/7.98 [2019-03-28 11:54:05,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... 11.95/7.98 [2019-03-28 11:54:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.95/7.98 [2019-03-28 11:54:05,826 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 11.95/7.98 [2019-03-28 11:54:05,831 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 11.95/7.98 [2019-03-28 11:54:05,832 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 11.95/7.98 [2019-03-28 11:54:05,850 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. 11.95/7.98 [2019-03-28 11:54:05,851 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 11.95/7.98 [2019-03-28 11:54:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 11.95/7.98 [2019-03-28 11:54:05,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 11.95/7.98 [2019-03-28 11:54:05,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 11.95/7.98 [2019-03-28 11:54:05,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.95/7.98 [2019-03-28 11:54:05,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 11.95/7.98 [2019-03-28 11:54:05,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.95/7.98 [2019-03-28 11:54:05,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 11.95/7.98 [2019-03-28 11:54:05,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. 11.95/7.98 [2019-03-28 11:54:05,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 11.95/7.98 [2019-03-28 11:54:05,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.95/7.98 [2019-03-28 11:54:05,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 11.95/7.98 [2019-03-28 11:54:05,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 11.95/7.98 [2019-03-28 11:54:05,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.95/7.98 [2019-03-28 11:54:05,866 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,867 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,867 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,867 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 11.95/7.98 [2019-03-28 11:54:05,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 11.95/7.98 [2019-03-28 11:54:05,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.95/7.98 [2019-03-28 11:54:05,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 11.95/7.98 [2019-03-28 11:54:05,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:54:05 BasicIcfg 11.95/7.98 [2019-03-28 11:54:05,873 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.95/7.98 [2019-03-28 11:54:05,874 INFO L168 Benchmark]: Toolchain (without parser) took 1547.29 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 566.8 MB in the beginning and 533.1 MB in the end (delta: 33.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,875 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.57 ms. Allocated memory is still 649.6 MB. Free memory was 566.8 MB in the beginning and 556.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.27 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 556.9 MB in the beginning and 618.5 MB in the end (delta: -61.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,877 INFO L168 Benchmark]: Boogie Preprocessor took 18.93 ms. Allocated memory is still 653.3 MB. Free memory was 618.5 MB in the beginning and 617.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,878 INFO L168 Benchmark]: RCFGBuilder took 176.54 ms. Allocated memory is still 653.3 MB. Free memory was 617.4 MB in the beginning and 604.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,879 INFO L168 Benchmark]: BlockEncodingV2 took 74.55 ms. Allocated memory is still 653.3 MB. Free memory was 604.9 MB in the beginning and 599.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,879 INFO L168 Benchmark]: TraceAbstraction took 149.61 ms. Allocated memory is still 653.3 MB. Free memory was 599.5 MB in the beginning and 590.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,880 INFO L168 Benchmark]: BuchiAutomizer took 794.60 ms. Allocated memory is still 653.3 MB. Free memory was 590.9 MB in the beginning and 533.1 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 50.3 GB. 11.95/7.98 [2019-03-28 11:54:05,885 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.95/7.98 --- Results --- 11.95/7.98 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.95/7.98 - StatisticsResult: Initial Icfg 11.95/7.98 7 locations, 9 edges 11.95/7.98 - StatisticsResult: Encoded RCFG 11.95/7.98 2 locations, 2 edges 11.95/7.98 * Results from de.uni_freiburg.informatik.ultimate.core: 11.95/7.98 - StatisticsResult: Toolchain Benchmarks 11.95/7.98 Benchmark results are: 11.95/7.98 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.95/7.98 * CACSL2BoogieTranslator took 220.57 ms. Allocated memory is still 649.6 MB. Free memory was 566.8 MB in the beginning and 556.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 11.95/7.98 * Boogie Procedure Inliner took 107.27 ms. Allocated memory was 649.6 MB in the beginning and 653.3 MB in the end (delta: 3.7 MB). Free memory was 556.9 MB in the beginning and 618.5 MB in the end (delta: -61.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 50.3 GB. 11.95/7.98 * Boogie Preprocessor took 18.93 ms. Allocated memory is still 653.3 MB. Free memory was 618.5 MB in the beginning and 617.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.95/7.98 * RCFGBuilder took 176.54 ms. Allocated memory is still 653.3 MB. Free memory was 617.4 MB in the beginning and 604.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 11.95/7.98 * BlockEncodingV2 took 74.55 ms. Allocated memory is still 653.3 MB. Free memory was 604.9 MB in the beginning and 599.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.95/7.98 * TraceAbstraction took 149.61 ms. Allocated memory is still 653.3 MB. Free memory was 599.5 MB in the beginning and 590.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.95/7.98 * BuchiAutomizer took 794.60 ms. Allocated memory is still 653.3 MB. Free memory was 590.9 MB in the beginning and 533.1 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 50.3 GB. 11.95/7.98 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.95/7.98 - AllSpecificationsHoldResult: All specifications hold 11.95/7.98 We were not able to verify any specifiation because the program does not contain any specification. 11.95/7.98 - InvariantResult [Line: 22]: Loop Invariant 11.95/7.98 Derived loop invariant: 1 11.95/7.98 - StatisticsResult: Ultimate Automizer benchmark data 11.95/7.98 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.95/7.98 - StatisticsResult: Constructed decomposition of program 11.95/7.98 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x and consists of 2 locations. 11.95/7.98 - StatisticsResult: Timing statistics 11.95/7.98 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf112 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf91 smp100 dnf100 smp100 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 11.95/7.98 - TerminationAnalysisResult: Termination proven 11.95/7.98 Buchi Automizer proved that your program is terminating 11.95/7.98 RESULT: Ultimate proved your program to be correct! 11.95/7.98 !SESSION 2019-03-28 11:53:59.792 ----------------------------------------------- 11.95/7.98 eclipse.buildId=unknown 11.95/7.98 java.version=1.8.0_181 11.95/7.98 java.vendor=Oracle Corporation 11.95/7.98 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.95/7.98 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.95/7.98 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.95/7.98 11.95/7.98 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:54:06.116 11.95/7.98 !MESSAGE The workspace will exit with unsaved changes in this session. 11.95/7.98 Received shutdown request... 11.95/7.98 Ultimate: 11.95/7.98 GTK+ Version Check 11.95/7.98 EOF