15.41/6.92 NO 15.41/6.92 15.41/6.92 Ultimate: Cannot open display: 15.41/6.92 This is Ultimate 0.1.24-8dc7c08-m 15.41/6.92 [2019-03-28 12:20:46,105 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.41/6.92 [2019-03-28 12:20:46,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.41/6.92 [2019-03-28 12:20:46,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.41/6.92 [2019-03-28 12:20:46,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.41/6.92 [2019-03-28 12:20:46,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.41/6.92 [2019-03-28 12:20:46,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.41/6.92 [2019-03-28 12:20:46,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.41/6.92 [2019-03-28 12:20:46,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.41/6.92 [2019-03-28 12:20:46,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.41/6.92 [2019-03-28 12:20:46,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.41/6.92 [2019-03-28 12:20:46,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.41/6.92 [2019-03-28 12:20:46,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.41/6.92 [2019-03-28 12:20:46,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.41/6.92 [2019-03-28 12:20:46,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.41/6.92 [2019-03-28 12:20:46,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.41/6.92 [2019-03-28 12:20:46,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.41/6.92 [2019-03-28 12:20:46,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.41/6.92 [2019-03-28 12:20:46,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.41/6.92 [2019-03-28 12:20:46,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.41/6.92 [2019-03-28 12:20:46,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,140 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.41/6.92 [2019-03-28 12:20:46,141 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.41/6.92 [2019-03-28 12:20:46,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.41/6.92 [2019-03-28 12:20:46,142 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.41/6.92 [2019-03-28 12:20:46,143 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.41/6.92 [2019-03-28 12:20:46,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.41/6.92 [2019-03-28 12:20:46,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.41/6.92 [2019-03-28 12:20:46,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.41/6.92 [2019-03-28 12:20:46,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.41/6.92 [2019-03-28 12:20:46,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.41/6.92 [2019-03-28 12:20:46,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.41/6.92 [2019-03-28 12:20:46,148 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.41/6.92 [2019-03-28 12:20:46,149 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.41/6.92 [2019-03-28 12:20:46,163 INFO L110 SettingsManager]: Loading preferences was successful 15.41/6.92 [2019-03-28 12:20:46,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.41/6.92 [2019-03-28 12:20:46,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.41/6.92 [2019-03-28 12:20:46,165 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.41/6.92 [2019-03-28 12:20:46,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.41/6.92 [2019-03-28 12:20:46,165 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.41/6.92 [2019-03-28 12:20:46,165 INFO L133 SettingsManager]: * Use SBE=true 15.41/6.92 [2019-03-28 12:20:46,166 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.41/6.92 [2019-03-28 12:20:46,166 INFO L133 SettingsManager]: * Use old map elimination=false 15.41/6.92 [2019-03-28 12:20:46,166 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.41/6.92 [2019-03-28 12:20:46,166 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.41/6.92 [2019-03-28 12:20:46,166 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.41/6.92 [2019-03-28 12:20:46,166 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.41/6.92 [2019-03-28 12:20:46,167 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.41/6.92 [2019-03-28 12:20:46,167 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.41/6.92 [2019-03-28 12:20:46,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.41/6.92 [2019-03-28 12:20:46,167 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.41/6.92 [2019-03-28 12:20:46,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.41/6.92 [2019-03-28 12:20:46,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.41/6.92 [2019-03-28 12:20:46,168 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.41/6.92 [2019-03-28 12:20:46,168 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.41/6.92 [2019-03-28 12:20:46,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.41/6.92 [2019-03-28 12:20:46,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.41/6.92 [2019-03-28 12:20:46,168 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.41/6.92 [2019-03-28 12:20:46,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/6.92 [2019-03-28 12:20:46,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.41/6.92 [2019-03-28 12:20:46,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.41/6.92 [2019-03-28 12:20:46,169 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.41/6.92 [2019-03-28 12:20:46,169 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.41/6.92 [2019-03-28 12:20:46,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.41/6.92 [2019-03-28 12:20:46,208 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.41/6.92 [2019-03-28 12:20:46,211 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.41/6.92 [2019-03-28 12:20:46,213 INFO L271 PluginConnector]: Initializing CDTParser... 15.41/6.92 [2019-03-28 12:20:46,213 INFO L276 PluginConnector]: CDTParser initialized 15.41/6.92 [2019-03-28 12:20:46,214 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/6.92 [2019-03-28 12:20:46,277 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7091aec89dda44fa9d5f40135caf0016/FLAG93f556e32 15.41/6.92 [2019-03-28 12:20:46,645 INFO L307 CDTParser]: Found 1 translation units. 15.41/6.92 [2019-03-28 12:20:46,646 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/6.92 [2019-03-28 12:20:46,655 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7091aec89dda44fa9d5f40135caf0016/FLAG93f556e32 15.41/6.92 [2019-03-28 12:20:47,053 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7091aec89dda44fa9d5f40135caf0016 15.41/6.92 [2019-03-28 12:20:47,064 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.41/6.92 [2019-03-28 12:20:47,066 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.41/6.92 [2019-03-28 12:20:47,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.41/6.92 [2019-03-28 12:20:47,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.41/6.92 [2019-03-28 12:20:47,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.41/6.92 [2019-03-28 12:20:47,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70915274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47, skipping insertion in model container 15.41/6.92 [2019-03-28 12:20:47,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.41/6.92 [2019-03-28 12:20:47,114 INFO L176 MainTranslator]: Built tables and reachable declarations 15.41/6.92 [2019-03-28 12:20:47,385 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/6.92 [2019-03-28 12:20:47,398 INFO L191 MainTranslator]: Completed pre-run 15.41/6.92 [2019-03-28 12:20:47,441 INFO L206 PostProcessor]: Analyzing one entry point: main 15.41/6.92 [2019-03-28 12:20:47,460 INFO L195 MainTranslator]: Completed translation 15.41/6.92 [2019-03-28 12:20:47,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47 WrapperNode 15.41/6.92 [2019-03-28 12:20:47,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.41/6.92 [2019-03-28 12:20:47,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.41/6.92 [2019-03-28 12:20:47,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.41/6.92 [2019-03-28 12:20:47,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.41/6.92 [2019-03-28 12:20:47,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.41/6.92 [2019-03-28 12:20:47,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.41/6.92 [2019-03-28 12:20:47,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.41/6.92 [2019-03-28 12:20:47,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.41/6.92 [2019-03-28 12:20:47,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 [2019-03-28 12:20:47,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.41/6.92 [2019-03-28 12:20:47,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.41/6.92 [2019-03-28 12:20:47,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.41/6.92 [2019-03-28 12:20:47,545 INFO L276 PluginConnector]: RCFGBuilder initialized 15.41/6.92 [2019-03-28 12:20:47,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (1/1) ... 15.41/6.92 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.41/6.92 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.41/6.92 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.41/6.92 [2019-03-28 12:20:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_msg_t 15.41/6.92 [2019-03-28 12:20:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.41/6.92 [2019-03-28 12:20:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.41/6.92 [2019-03-28 12:20:48,011 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.41/6.92 [2019-03-28 12:20:48,012 INFO L286 CfgBuilder]: Removed 20 assue(true) statements. 15.41/6.92 [2019-03-28 12:20:48,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:20:48 BoogieIcfgContainer 15.41/6.92 [2019-03-28 12:20:48,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.41/6.92 [2019-03-28 12:20:48,034 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.41/6.92 [2019-03-28 12:20:48,035 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.41/6.92 [2019-03-28 12:20:48,037 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.41/6.92 [2019-03-28 12:20:48,037 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:20:48" (1/1) ... 15.41/6.92 [2019-03-28 12:20:48,058 INFO L313 BlockEncoder]: Initial Icfg 60 locations, 100 edges 15.41/6.92 [2019-03-28 12:20:48,060 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.41/6.92 [2019-03-28 12:20:48,060 INFO L263 BlockEncoder]: Using Maximize final states 15.41/6.92 [2019-03-28 12:20:48,061 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.41/6.92 [2019-03-28 12:20:48,061 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.41/6.92 [2019-03-28 12:20:48,063 INFO L296 BlockEncoder]: Using Remove sink states 15.41/6.92 [2019-03-28 12:20:48,064 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.41/6.92 [2019-03-28 12:20:48,064 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.41/6.92 [2019-03-28 12:20:48,102 INFO L185 BlockEncoder]: Using Use SBE 15.41/6.92 [2019-03-28 12:20:48,144 INFO L200 BlockEncoder]: SBE split 37 edges 15.41/6.92 [2019-03-28 12:20:48,149 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 15.41/6.92 [2019-03-28 12:20:48,151 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/6.92 [2019-03-28 12:20:48,171 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.41/6.92 [2019-03-28 12:20:48,174 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 15.41/6.92 [2019-03-28 12:20:48,175 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.41/6.92 [2019-03-28 12:20:48,176 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.41/6.92 [2019-03-28 12:20:48,176 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.41/6.92 [2019-03-28 12:20:48,177 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.41/6.92 [2019-03-28 12:20:48,177 INFO L313 BlockEncoder]: Encoded RCFG 55 locations, 136 edges 15.41/6.92 [2019-03-28 12:20:48,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:20:48 BasicIcfg 15.41/6.92 [2019-03-28 12:20:48,178 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.41/6.92 [2019-03-28 12:20:48,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.41/6.92 [2019-03-28 12:20:48,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.41/6.92 [2019-03-28 12:20:48,183 INFO L276 PluginConnector]: TraceAbstraction initialized 15.41/6.92 [2019-03-28 12:20:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:20:47" (1/4) ... 15.41/6.92 [2019-03-28 12:20:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdd3049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:20:48, skipping insertion in model container 15.41/6.92 [2019-03-28 12:20:48,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (2/4) ... 15.41/6.92 [2019-03-28 12:20:48,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdd3049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:20:48, skipping insertion in model container 15.41/6.92 [2019-03-28 12:20:48,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:20:48" (3/4) ... 15.41/6.92 [2019-03-28 12:20:48,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdd3049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:20:48, skipping insertion in model container 15.41/6.92 [2019-03-28 12:20:48,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:20:48" (4/4) ... 15.41/6.92 [2019-03-28 12:20:48,187 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/6.92 [2019-03-28 12:20:48,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.41/6.92 [2019-03-28 12:20:48,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.41/6.92 [2019-03-28 12:20:48,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.41/6.92 [2019-03-28 12:20:48,253 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/6.92 [2019-03-28 12:20:48,254 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.41/6.92 [2019-03-28 12:20:48,254 INFO L383 AbstractCegarLoop]: Hoare is true 15.41/6.92 [2019-03-28 12:20:48,254 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.41/6.92 [2019-03-28 12:20:48,254 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.41/6.92 [2019-03-28 12:20:48,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/6.92 [2019-03-28 12:20:48,255 INFO L387 AbstractCegarLoop]: Difference is false 15.41/6.92 [2019-03-28 12:20:48,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/6.92 [2019-03-28 12:20:48,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.41/6.92 [2019-03-28 12:20:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. 15.41/6.92 [2019-03-28 12:20:48,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.41/6.92 [2019-03-28 12:20:48,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 55 states. 15.41/6.92 [2019-03-28 12:20:48,339 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 331) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 196) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 161) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 266) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 208) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 162) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,340 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 155 162) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,341 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 269) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,341 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 250 269) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,341 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 220) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,341 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 232) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,341 INFO L451 ceAbstractionStarter]: At program point L242(lines 172 244) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,342 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,342 INFO L451 ceAbstractionStarter]: At program point L325-2(lines 325 329) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,342 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 136) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,342 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 263) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,342 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 142) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,342 INFO L451 ceAbstractionStarter]: At program point L255(lines 251 266) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,343 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,343 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 205) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,343 INFO L451 ceAbstractionStarter]: At program point L127-2(lines 121 145) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,343 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 161) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,343 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 266) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,343 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 217) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 167) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L451 ceAbstractionStarter]: At program point L152-2(lines 146 170) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 229) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L177(lines 177 241) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L115-2(line 115) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,344 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 177 241) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 112) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 112) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,345 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 117) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,346 INFO L448 ceAbstractionStarter]: For program point L165-2(line 165) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,346 INFO L451 ceAbstractionStarter]: At program point L99-2(lines 93 120) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,346 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 202) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,346 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 214) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,346 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 226) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,346 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 238) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L451 ceAbstractionStarter]: At program point L302-2(lines 302 317) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,347 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 111) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 211) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L448 ceAbstractionStarter]: For program point L183(lines 183 223) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 235) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,347 INFO L451 ceAbstractionStarter]: At program point L270(lines 245 272) the Hoare annotation is: true 15.41/6.92 [2019-03-28 12:20:48,348 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 343) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,348 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 136) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,348 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. 15.41/6.92 [2019-03-28 12:20:48,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:20:48 BasicIcfg 15.41/6.92 [2019-03-28 12:20:48,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.41/6.92 [2019-03-28 12:20:48,358 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.41/6.92 [2019-03-28 12:20:48,358 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.41/6.92 [2019-03-28 12:20:48,362 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.41/6.92 [2019-03-28 12:20:48,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/6.92 [2019-03-28 12:20:48,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:20:47" (1/5) ... 15.41/6.92 [2019-03-28 12:20:48,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c73d5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:20:48, skipping insertion in model container 15.41/6.93 [2019-03-28 12:20:48,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/6.93 [2019-03-28 12:20:48,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:20:47" (2/5) ... 15.41/6.93 [2019-03-28 12:20:48,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c73d5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:20:48, skipping insertion in model container 15.41/6.93 [2019-03-28 12:20:48,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/6.93 [2019-03-28 12:20:48,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:20:48" (3/5) ... 15.41/6.93 [2019-03-28 12:20:48,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c73d5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:20:48, skipping insertion in model container 15.41/6.93 [2019-03-28 12:20:48,365 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/6.93 [2019-03-28 12:20:48,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:20:48" (4/5) ... 15.41/6.93 [2019-03-28 12:20:48,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c73d5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:20:48, skipping insertion in model container 15.41/6.93 [2019-03-28 12:20:48,366 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.41/6.93 [2019-03-28 12:20:48,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:20:48" (5/5) ... 15.41/6.93 [2019-03-28 12:20:48,367 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.41/6.93 [2019-03-28 12:20:48,393 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.41/6.93 [2019-03-28 12:20:48,393 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.41/6.93 [2019-03-28 12:20:48,394 INFO L375 BuchiCegarLoop]: Hoare is true 15.41/6.93 [2019-03-28 12:20:48,394 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.41/6.93 [2019-03-28 12:20:48,394 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.41/6.93 [2019-03-28 12:20:48,394 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.41/6.93 [2019-03-28 12:20:48,394 INFO L379 BuchiCegarLoop]: Difference is false 15.41/6.93 [2019-03-28 12:20:48,394 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.41/6.93 [2019-03-28 12:20:48,394 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.41/6.93 [2019-03-28 12:20:48,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states. 15.41/6.93 [2019-03-28 12:20:48,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 15.41/6.93 [2019-03-28 12:20:48,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/6.93 [2019-03-28 12:20:48,422 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/6.93 [2019-03-28 12:20:48,430 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 15.41/6.93 [2019-03-28 12:20:48,430 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.41/6.93 [2019-03-28 12:20:48,430 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.41/6.93 [2019-03-28 12:20:48,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states. 15.41/6.93 [2019-03-28 12:20:48,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 15.41/6.93 [2019-03-28 12:20:48,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/6.93 [2019-03-28 12:20:48,435 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/6.93 [2019-03-28 12:20:48,435 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 15.41/6.93 [2019-03-28 12:20:48,435 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.41/6.93 [2019-03-28 12:20:48,441 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue [497] ULTIMATE.startENTRY-->L177: Formula: (and (= v_~p2~0_2 0) (= (- 1) v_~nomsg~0_22) (= (store (store (store v_~nodes~0.offset_6 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) v_~nodes~0.offset_5) (= 0 v_~p2_old~0_6) (= v_~p3_old~0_6 0) (= 0 v_~p3_new~0_8) (= v_~p3~0_2 0) (= v_~p1~0_2 0) (= (store (store (store v_~nodes~0.base_6 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) v_~nodes~0.base_5) (= v_~p2_new~0_8 0) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= 0 v_~p1_new~0_8) (= v_~p1_old~0_6 0)) InVars {~nodes~0.offset=v_~nodes~0.offset_6, ~nodes~0.base=v_~nodes~0.base_6} OutVars{~id1~0=v_~id1~0_15, ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_6|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_6|, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ~p2~0=v_~p2~0_2, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_6|, ~id3~0=v_~id3~0_15, ~mode2~0=v_~mode2~0_9, ~st3~0=v_~st3~0_12, ~r1~0=v_~r1~0_11, ~st1~0=v_~st1~0_12, ~send2~0=v_~send2~0_8, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21, ~nodes~0.base=v_~nodes~0.base_5, ~id2~0=v_~id2~0_15, ~nodes~0.offset=v_~nodes~0.offset_5, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_22, ULTIMATE.start_main_#t~post18=|v_ULTIMATE.start_main_#t~post18_4|, ~p3_old~0=v_~p3_old~0_6, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_4|, ~mode1~0=v_~mode1~0_9, ULTIMATE.start_main_#t~ret17=|v_ULTIMATE.start_main_#t~ret17_4|, ~mode3~0=v_~mode3~0_9, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_5|, ~p3_new~0=v_~p3_new~0_8, ~p2_new~0=v_~p2_new~0_8, ~p1_new~0=v_~p1_new~0_8, ~st2~0=v_~st2~0_12, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~ret10=|v_ULTIMATE.start_main_#t~ret10_5|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, ~send3~0=v_~send3~0_8, ULTIMATE.start_main_#t~ret6=|v_ULTIMATE.start_main_#t~ret6_5|, ~send1~0=v_~send1~0_9} AuxVars[] AssignedVars[~id1~0, ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet12, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_init_#res, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~c1~0, ~p2~0, ULTIMATE.start_main_#t~nondet7, ~id3~0, ~mode2~0, ~st3~0, ~r1~0, ~st1~0, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_init_~tmp~0, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ~p1_old~0, ~nomsg~0, ULTIMATE.start_main_#t~post18, ~p3_old~0, ~p3~0, ~p2_old~0, ULTIMATE.start_main_#t~ret16, ~mode1~0, ULTIMATE.start_main_#t~ret17, ~mode3~0, ULTIMATE.start_main_#t~ret14, ~p3_new~0, ~p2_new~0, ~p1_new~0, ~st2~0, ~p1~0, ULTIMATE.start_main_#t~ret10, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet15, ~send3~0, ULTIMATE.start_main_#t~ret6, ~send1~0] 30#L177true [417] L177-->L177-1: Formula: (and (> v_~r1~0_4 0) (= v_ULTIMATE.start_init_~tmp~0_19 0)) InVars {~r1~0=v_~r1~0_4} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_19, ~r1~0=v_~r1~0_4} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 28#L177-1true [314] L177-1-->L242: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_20) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 18#L242true [422] L242-->L325-2: Formula: (and (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (> 0 v_ULTIMATE.start_main_~i2~0_6) (= 1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_2|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret16, ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 4#L325-2true 15.41/6.93 [2019-03-28 12:20:48,441 INFO L796 eck$LassoCheckResult]: Loop: 4#L325-2true [273] L325-2-->L325-2: Formula: (= v_ULTIMATE.start___VERIFIER_assume_~arg_4 0) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 4#L325-2true 15.41/6.93 [2019-03-28 12:20:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/6.93 [2019-03-28 12:20:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash 16140541, now seen corresponding path program 1 times 15.41/6.93 [2019-03-28 12:20:48,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/6.93 [2019-03-28 12:20:48,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/6.93 [2019-03-28 12:20:48,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.41/6.93 [2019-03-28 12:20:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.41/6.93 [2019-03-28 12:20:48,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.41/6.93 [2019-03-28 12:20:48,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 15.41/6.93 [2019-03-28 12:20:48,586 INFO L799 eck$LassoCheckResult]: stem already infeasible 15.41/6.93 [2019-03-28 12:20:48,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/6.93 [2019-03-28 12:20:48,586 INFO L82 PathProgramCache]: Analyzing trace with hash 304, now seen corresponding path program 1 times 15.41/6.93 [2019-03-28 12:20:48,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/6.93 [2019-03-28 12:20:48,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/6.93 [2019-03-28 12:20:48,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:48,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 15.41/6.93 [2019-03-28 12:20:48,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 15.41/6.93 [2019-03-28 12:20:48,646 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. 15.41/6.93 [2019-03-28 12:20:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.41/6.93 [2019-03-28 12:20:49,082 INFO L93 Difference]: Finished difference Result 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 15.41/6.93 [2019-03-28 12:20:49,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,093 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 105 15.41/6.93 [2019-03-28 12:20:49,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 15.41/6.93 [2019-03-28 12:20:49,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 15.41/6.93 [2019-03-28 12:20:49,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.41/6.93 [2019-03-28 12:20:49,107 INFO L706 BuchiCegarLoop]: Abstraction has 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 307 transitions. 15.41/6.93 [2019-03-28 12:20:49,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 57. 15.41/6.93 [2019-03-28 12:20:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. 15.41/6.93 [2019-03-28 12:20:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 135 transitions. 15.41/6.93 [2019-03-28 12:20:49,148 INFO L729 BuchiCegarLoop]: Abstraction has 57 states and 135 transitions. 15.41/6.93 [2019-03-28 12:20:49,148 INFO L609 BuchiCegarLoop]: Abstraction has 57 states and 135 transitions. 15.41/6.93 [2019-03-28 12:20:49,149 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.41/6.93 [2019-03-28 12:20:49,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 135 transitions. 15.41/6.93 [2019-03-28 12:20:49,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 15.41/6.93 [2019-03-28 12:20:49,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.41/6.93 [2019-03-28 12:20:49,151 INFO L119 BuchiIsEmpty]: Starting construction of run 15.41/6.93 [2019-03-28 12:20:49,151 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 15.41/6.93 [2019-03-28 12:20:49,151 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.41/6.93 [2019-03-28 12:20:49,152 INFO L794 eck$LassoCheckResult]: Stem: 229#ULTIMATE.startENTRY [497] ULTIMATE.startENTRY-->L177: Formula: (and (= v_~p2~0_2 0) (= (- 1) v_~nomsg~0_22) (= (store (store (store v_~nodes~0.offset_6 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) v_~nodes~0.offset_5) (= 0 v_~p2_old~0_6) (= v_~p3_old~0_6 0) (= 0 v_~p3_new~0_8) (= v_~p3~0_2 0) (= v_~p1~0_2 0) (= (store (store (store v_~nodes~0.base_6 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) v_~nodes~0.base_5) (= v_~p2_new~0_8 0) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= 0 v_~p1_new~0_8) (= v_~p1_old~0_6 0)) InVars {~nodes~0.offset=v_~nodes~0.offset_6, ~nodes~0.base=v_~nodes~0.base_6} OutVars{~id1~0=v_~id1~0_15, ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_6|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_6|, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ~p2~0=v_~p2~0_2, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_6|, ~id3~0=v_~id3~0_15, ~mode2~0=v_~mode2~0_9, ~st3~0=v_~st3~0_12, ~r1~0=v_~r1~0_11, ~st1~0=v_~st1~0_12, ~send2~0=v_~send2~0_8, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_21, ~nodes~0.base=v_~nodes~0.base_5, ~id2~0=v_~id2~0_15, ~nodes~0.offset=v_~nodes~0.offset_5, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_22, ULTIMATE.start_main_#t~post18=|v_ULTIMATE.start_main_#t~post18_4|, ~p3_old~0=v_~p3_old~0_6, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_4|, ~mode1~0=v_~mode1~0_9, ULTIMATE.start_main_#t~ret17=|v_ULTIMATE.start_main_#t~ret17_4|, ~mode3~0=v_~mode3~0_9, ULTIMATE.start_main_#t~ret14=|v_ULTIMATE.start_main_#t~ret14_5|, ~p3_new~0=v_~p3_new~0_8, ~p2_new~0=v_~p2_new~0_8, ~p1_new~0=v_~p1_new~0_8, ~st2~0=v_~st2~0_12, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~ret10=|v_ULTIMATE.start_main_#t~ret10_5|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, ~send3~0=v_~send3~0_8, ULTIMATE.start_main_#t~ret6=|v_ULTIMATE.start_main_#t~ret6_5|, ~send1~0=v_~send1~0_9} AuxVars[] AssignedVars[~id1~0, ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet12, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_init_#res, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~c1~0, ~p2~0, ULTIMATE.start_main_#t~nondet7, ~id3~0, ~mode2~0, ~st3~0, ~r1~0, ~st1~0, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_init_~tmp~0, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ~p1_old~0, ~nomsg~0, ULTIMATE.start_main_#t~post18, ~p3_old~0, ~p3~0, ~p2_old~0, ULTIMATE.start_main_#t~ret16, ~mode1~0, ULTIMATE.start_main_#t~ret17, ~mode3~0, ULTIMATE.start_main_#t~ret14, ~p3_new~0, ~p2_new~0, ~p1_new~0, ~st2~0, ~p1~0, ULTIMATE.start_main_#t~ret10, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet15, ~send3~0, ULTIMATE.start_main_#t~ret6, ~send1~0] 230#L177 [417] L177-->L177-1: Formula: (and (> v_~r1~0_4 0) (= v_ULTIMATE.start_init_~tmp~0_19 0)) InVars {~r1~0=v_~r1~0_4} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_19, ~r1~0=v_~r1~0_4} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 197#L177-1 [314] L177-1-->L242: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_20) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_20} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 227#L242 [420] L242-->L325-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i2~0_6) (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= 0 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_main_#t~ret16=|v_ULTIMATE.start_main_#t~ret16_2|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret16, ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 199#L325-2 15.41/6.93 [2019-03-28 12:20:49,152 INFO L796 eck$LassoCheckResult]: Loop: 199#L325-2 [273] L325-2-->L325-2: Formula: (= v_ULTIMATE.start___VERIFIER_assume_~arg_4 0) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 199#L325-2 15.41/6.93 [2019-03-28 12:20:49,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/6.93 [2019-03-28 12:20:49,153 INFO L82 PathProgramCache]: Analyzing trace with hash 16140539, now seen corresponding path program 1 times 15.41/6.93 [2019-03-28 12:20:49,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/6.93 [2019-03-28 12:20:49,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/6.93 [2019-03-28 12:20:49,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/6.93 [2019-03-28 12:20:49,183 INFO L82 PathProgramCache]: Analyzing trace with hash 304, now seen corresponding path program 2 times 15.41/6.93 [2019-03-28 12:20:49,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/6.93 [2019-03-28 12:20:49,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/6.93 [2019-03-28 12:20:49,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.41/6.93 [2019-03-28 12:20:49,192 INFO L82 PathProgramCache]: Analyzing trace with hash 500356982, now seen corresponding path program 1 times 15.41/6.93 [2019-03-28 12:20:49,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.41/6.93 [2019-03-28 12:20:49,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.41/6.93 [2019-03-28 12:20:49,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,195 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.41/6.93 [2019-03-28 12:20:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.41/6.93 [2019-03-28 12:20:49,334 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 15.41/6.93 [2019-03-28 12:20:49,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:20:49 BasicIcfg 15.41/6.93 [2019-03-28 12:20:49,433 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.41/6.93 [2019-03-28 12:20:49,433 INFO L168 Benchmark]: Toolchain (without parser) took 2368.30 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 451.5 MB in the end (delta: 112.3 MB). Peak memory consumption was 139.5 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,434 INFO L168 Benchmark]: CDTParser took 0.16 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. 15.41/6.93 [2019-03-28 12:20:49,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.80 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 637.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 676.9 MB. Free memory was 637.4 MB in the beginning and 634.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,436 INFO L168 Benchmark]: Boogie Preprocessor took 32.71 ms. Allocated memory is still 676.9 MB. Free memory was 634.7 MB in the beginning and 632.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,437 INFO L168 Benchmark]: RCFGBuilder took 489.70 ms. Allocated memory is still 676.9 MB. Free memory was 632.0 MB in the beginning and 597.7 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,437 INFO L168 Benchmark]: BlockEncodingV2 took 143.59 ms. Allocated memory is still 676.9 MB. Free memory was 597.7 MB in the beginning and 584.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,438 INFO L168 Benchmark]: TraceAbstraction took 178.98 ms. Allocated memory is still 676.9 MB. Free memory was 584.2 MB in the beginning and 570.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,439 INFO L168 Benchmark]: BuchiAutomizer took 1074.56 ms. Allocated memory is still 676.9 MB. Free memory was 569.4 MB in the beginning and 451.5 MB in the end (delta: 117.8 MB). Peak memory consumption was 117.8 MB. Max. memory is 50.3 GB. 15.41/6.93 [2019-03-28 12:20:49,443 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.41/6.93 --- Results --- 15.41/6.93 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.41/6.93 - StatisticsResult: Initial Icfg 15.41/6.93 60 locations, 100 edges 15.41/6.93 - StatisticsResult: Encoded RCFG 15.41/6.93 55 locations, 136 edges 15.41/6.93 * Results from de.uni_freiburg.informatik.ultimate.core: 15.41/6.93 - StatisticsResult: Toolchain Benchmarks 15.41/6.93 Benchmark results are: 15.41/6.93 * CDTParser took 0.16 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. 15.41/6.93 * CACSL2BoogieTranslator took 393.80 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 563.8 MB in the beginning and 637.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 15.41/6.93 * Boogie Procedure Inliner took 49.76 ms. Allocated memory is still 676.9 MB. Free memory was 637.4 MB in the beginning and 634.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 15.41/6.93 * Boogie Preprocessor took 32.71 ms. Allocated memory is still 676.9 MB. Free memory was 634.7 MB in the beginning and 632.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.41/6.93 * RCFGBuilder took 489.70 ms. Allocated memory is still 676.9 MB. Free memory was 632.0 MB in the beginning and 597.7 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 50.3 GB. 15.41/6.93 * BlockEncodingV2 took 143.59 ms. Allocated memory is still 676.9 MB. Free memory was 597.7 MB in the beginning and 584.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.41/6.93 * TraceAbstraction took 178.98 ms. Allocated memory is still 676.9 MB. Free memory was 584.2 MB in the beginning and 570.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.41/6.93 * BuchiAutomizer took 1074.56 ms. Allocated memory is still 676.9 MB. Free memory was 569.4 MB in the beginning and 451.5 MB in the end (delta: 117.8 MB). Peak memory consumption was 117.8 MB. Max. memory is 50.3 GB. 15.41/6.93 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.41/6.93 - AllSpecificationsHoldResult: All specifications hold 15.41/6.93 We were not able to verify any specifiation because the program does not contain any specification. 15.41/6.93 - InvariantResult [Line: 251]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 325]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 146]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 93]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 302]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 172]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 121]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - InvariantResult [Line: 245]: Loop Invariant 15.41/6.93 Derived loop invariant: 1 15.41/6.93 - StatisticsResult: Ultimate Automizer benchmark data 15.41/6.93 CFG has 1 procedures, 55 locations, 0 error locations. SAFE Result, 0.1s 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=55occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.41/6.93 - StatisticsResult: Constructed decomposition of program 15.41/6.93 Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 57 locations. 15.41/6.93 - StatisticsResult: Timing statistics 15.41/6.93 BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 72 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 57 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45 SDtfs, 261 SDslu, 234 SDs, 0 SdLazy, 245 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 15.41/6.93 - TerminationAnalysisResult: Nontermination possible 15.41/6.93 Buchi Automizer proved that your program is nonterminating for some inputs 15.41/6.93 - FixpointNonTerminationResult [Line: 325]: Nontermination argument in form of an infinite program execution. 15.41/6.93 Nontermination argument in form of an infinite execution 15.41/6.93 State at position 0 is 15.41/6.93 {} 15.41/6.93 State at position 1 is 15.41/6.93 {\result=0, p2_old=0, p1_new=0, r1=1, \result=0, send1=0, send2=0, send3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@abd6c3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d568835=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5784cf9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ec5cbc=0, \old(arg)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f31092d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@249e3472=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@340200e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@264d712c=0, mode2=0, mode1=0, p2_new=0, id3=0, id1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@780eb6e8=0, p1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9874e6c=0, id2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33103f57=0, p3=0, p2=0, mode3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69eeea5c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27669512=0, st3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@347f3ef7=0, tmp=0, st1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eeb7fcd=0, st2=0, p3_old=0, i2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@38c40808=0, p3_new=0, c1=0, p1_old=0, arg=0, nomsg=-1} 15.41/6.93 - StatisticsResult: NonterminationArgumentStatistics 15.41/6.93 Fixpoint 15.41/6.93 - NonterminatingLassoResult [Line: 325]: Nonterminating execution 15.41/6.93 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.41/6.93 Stem: 15.41/6.93 [L70] msg_t nomsg = (msg_t )-1; 15.41/6.93 [L71] char r1 ; 15.41/6.93 [L72] port_t p1 ; 15.41/6.93 [L73] char p1_old ; 15.41/6.93 [L74] char p1_new ; 15.41/6.93 [L75] char id1 ; 15.41/6.93 [L76] char st1 ; 15.41/6.93 [L77] msg_t send1 ; 15.41/6.93 [L78] _Bool mode1 ; 15.41/6.93 [L79] port_t p2 ; 15.41/6.93 [L80] char p2_old ; 15.41/6.93 [L81] char p2_new ; 15.41/6.93 [L82] char id2 ; 15.41/6.93 [L83] char st2 ; 15.41/6.93 [L84] msg_t send2 ; 15.41/6.93 [L85] _Bool mode2 ; 15.41/6.93 [L86] port_t p3 ; 15.41/6.93 [L87] char p3_old ; 15.41/6.93 [L88] char p3_new ; 15.41/6.93 [L89] char id3 ; 15.41/6.93 [L90] char st3 ; 15.41/6.93 [L91] msg_t send3 ; 15.41/6.93 [L92] _Bool mode3 ; 15.41/6.93 [L171] void (*nodes[3])(void) = { & node1, & node2, & node3}; 15.41/6.93 [L275] int c1 ; 15.41/6.93 [L276] int i2 ; 15.41/6.93 [L279] c1 = 0 15.41/6.93 [L280] r1 = __VERIFIER_nondet_char() 15.41/6.93 [L281] id1 = __VERIFIER_nondet_char() 15.41/6.93 [L282] st1 = __VERIFIER_nondet_char() 15.41/6.93 [L283] send1 = __VERIFIER_nondet_msg_t() 15.41/6.93 [L284] mode1 = __VERIFIER_nondet__Bool() 15.41/6.93 [L285] id2 = __VERIFIER_nondet_char() 15.41/6.93 [L286] st2 = __VERIFIER_nondet_char() 15.41/6.93 [L287] send2 = __VERIFIER_nondet_msg_t() 15.41/6.93 [L288] mode2 = __VERIFIER_nondet__Bool() 15.41/6.93 [L289] id3 = __VERIFIER_nondet_char() 15.41/6.93 [L290] st3 = __VERIFIER_nondet_char() 15.41/6.93 [L291] send3 = __VERIFIER_nondet_msg_t() 15.41/6.93 [L292] mode3 = __VERIFIER_nondet__Bool() 15.41/6.93 [L174] int tmp ; 15.41/6.93 [L177] COND FALSE !((int )r1 == 0) 15.41/6.93 [L240] tmp = 0 15.41/6.93 [L242] return (tmp); 15.41/6.93 [L293] i2 = init() 15.41/6.93 Loop: 15.41/6.93 [L325] COND TRUE ! arg 15.41/6.93 End of lasso representation. 15.41/6.93 RESULT: Ultimate proved your program to be incorrect! 15.41/6.93 !SESSION 2019-03-28 12:20:43.769 ----------------------------------------------- 15.41/6.93 eclipse.buildId=unknown 15.41/6.93 java.version=1.8.0_181 15.41/6.93 java.vendor=Oracle Corporation 15.41/6.93 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.41/6.93 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.41/6.93 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 15.41/6.93 15.41/6.93 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:20:49.692 15.41/6.93 !MESSAGE The workspace will exit with unsaved changes in this session. 15.41/6.93 Received shutdown request... 15.41/6.93 Ultimate: 15.41/6.93 GTK+ Version Check 15.41/6.93 EOF