11.89/6.76 MAYBE 11.89/6.76 11.89/6.76 Ultimate: Cannot open display: 11.89/6.76 This is Ultimate 0.1.24-8dc7c08-m 11.89/6.76 [2019-03-28 12:47:30,076 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.89/6.76 [2019-03-28 12:47:30,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.89/6.76 [2019-03-28 12:47:30,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.89/6.76 [2019-03-28 12:47:30,091 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.89/6.76 [2019-03-28 12:47:30,092 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.89/6.76 [2019-03-28 12:47:30,094 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.89/6.76 [2019-03-28 12:47:30,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.89/6.76 [2019-03-28 12:47:30,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.89/6.76 [2019-03-28 12:47:30,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.89/6.76 [2019-03-28 12:47:30,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.89/6.76 [2019-03-28 12:47:30,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.89/6.76 [2019-03-28 12:47:30,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.89/6.76 [2019-03-28 12:47:30,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.89/6.76 [2019-03-28 12:47:30,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.89/6.76 [2019-03-28 12:47:30,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.89/6.76 [2019-03-28 12:47:30,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.89/6.76 [2019-03-28 12:47:30,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.89/6.76 [2019-03-28 12:47:30,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.89/6.76 [2019-03-28 12:47:30,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.89/6.76 [2019-03-28 12:47:30,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.89/6.76 [2019-03-28 12:47:30,112 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.89/6.76 [2019-03-28 12:47:30,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.89/6.76 [2019-03-28 12:47:30,114 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.89/6.76 [2019-03-28 12:47:30,115 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.89/6.76 [2019-03-28 12:47:30,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.89/6.76 [2019-03-28 12:47:30,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.89/6.76 [2019-03-28 12:47:30,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.89/6.76 [2019-03-28 12:47:30,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,118 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.89/6.76 [2019-03-28 12:47:30,118 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.89/6.76 [2019-03-28 12:47:30,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.89/6.76 [2019-03-28 12:47:30,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.89/6.76 [2019-03-28 12:47:30,120 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.89/6.76 [2019-03-28 12:47:30,134 INFO L110 SettingsManager]: Loading preferences was successful 11.89/6.76 [2019-03-28 12:47:30,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.89/6.76 [2019-03-28 12:47:30,136 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.89/6.76 [2019-03-28 12:47:30,136 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.89/6.76 [2019-03-28 12:47:30,136 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.89/6.76 [2019-03-28 12:47:30,136 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.89/6.76 [2019-03-28 12:47:30,136 INFO L133 SettingsManager]: * Use SBE=true 11.89/6.76 [2019-03-28 12:47:30,137 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.89/6.76 [2019-03-28 12:47:30,137 INFO L133 SettingsManager]: * Use old map elimination=false 11.89/6.76 [2019-03-28 12:47:30,137 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.89/6.76 [2019-03-28 12:47:30,137 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.89/6.76 [2019-03-28 12:47:30,137 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.89/6.76 [2019-03-28 12:47:30,137 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.89/6.76 [2019-03-28 12:47:30,138 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.89/6.76 [2019-03-28 12:47:30,138 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.89/6.76 [2019-03-28 12:47:30,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.89/6.76 [2019-03-28 12:47:30,138 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.89/6.76 [2019-03-28 12:47:30,138 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.89/6.76 [2019-03-28 12:47:30,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.89/6.76 [2019-03-28 12:47:30,139 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.89/6.76 [2019-03-28 12:47:30,139 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.89/6.76 [2019-03-28 12:47:30,139 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.89/6.76 [2019-03-28 12:47:30,139 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.89/6.76 [2019-03-28 12:47:30,139 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.89/6.76 [2019-03-28 12:47:30,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.89/6.76 [2019-03-28 12:47:30,140 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.89/6.76 [2019-03-28 12:47:30,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.89/6.76 [2019-03-28 12:47:30,140 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.89/6.76 [2019-03-28 12:47:30,140 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.89/6.76 [2019-03-28 12:47:30,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.89/6.76 [2019-03-28 12:47:30,179 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.89/6.76 [2019-03-28 12:47:30,183 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.89/6.76 [2019-03-28 12:47:30,185 INFO L271 PluginConnector]: Initializing CDTParser... 11.89/6.76 [2019-03-28 12:47:30,185 INFO L276 PluginConnector]: CDTParser initialized 11.89/6.76 [2019-03-28 12:47:30,186 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.89/6.76 [2019-03-28 12:47:30,248 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b253f3b8eff840b1b88bd155f9cf54cc/FLAG6df04ec8c 11.89/6.76 [2019-03-28 12:47:30,613 INFO L307 CDTParser]: Found 1 translation units. 11.89/6.76 [2019-03-28 12:47:30,614 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.89/6.76 [2019-03-28 12:47:30,621 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b253f3b8eff840b1b88bd155f9cf54cc/FLAG6df04ec8c 11.89/6.76 [2019-03-28 12:47:31,007 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b253f3b8eff840b1b88bd155f9cf54cc 11.89/6.76 [2019-03-28 12:47:31,020 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.89/6.76 [2019-03-28 12:47:31,021 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.89/6.76 [2019-03-28 12:47:31,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.89/6.76 [2019-03-28 12:47:31,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.89/6.76 [2019-03-28 12:47:31,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.89/6.76 [2019-03-28 12:47:31,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3a5c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31, skipping insertion in model container 11.89/6.76 [2019-03-28 12:47:31,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.89/6.76 [2019-03-28 12:47:31,058 INFO L176 MainTranslator]: Built tables and reachable declarations 11.89/6.76 [2019-03-28 12:47:31,229 INFO L206 PostProcessor]: Analyzing one entry point: main 11.89/6.76 [2019-03-28 12:47:31,241 INFO L191 MainTranslator]: Completed pre-run 11.89/6.76 [2019-03-28 12:47:31,262 INFO L206 PostProcessor]: Analyzing one entry point: main 11.89/6.76 [2019-03-28 12:47:31,340 INFO L195 MainTranslator]: Completed translation 11.89/6.76 [2019-03-28 12:47:31,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31 WrapperNode 11.89/6.76 [2019-03-28 12:47:31,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.89/6.76 [2019-03-28 12:47:31,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.89/6.76 [2019-03-28 12:47:31,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.89/6.76 [2019-03-28 12:47:31,342 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.89/6.76 [2019-03-28 12:47:31,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.89/6.76 [2019-03-28 12:47:31,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.89/6.76 [2019-03-28 12:47:31,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.89/6.76 [2019-03-28 12:47:31,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.89/6.76 [2019-03-28 12:47:31,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.89/6.76 [2019-03-28 12:47:31,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.89/6.76 [2019-03-28 12:47:31,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.89/6.76 [2019-03-28 12:47:31,414 INFO L276 PluginConnector]: RCFGBuilder initialized 11.89/6.76 [2019-03-28 12:47:31,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (1/1) ... 11.89/6.76 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.89/6.76 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.89/6.76 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.89/6.76 [2019-03-28 12:47:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 11.89/6.76 [2019-03-28 12:47:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.89/6.76 [2019-03-28 12:47:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.89/6.76 [2019-03-28 12:47:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 11.89/6.76 [2019-03-28 12:47:31,727 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.89/6.76 [2019-03-28 12:47:31,727 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 11.89/6.76 [2019-03-28 12:47:31,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:47:31 BoogieIcfgContainer 11.89/6.76 [2019-03-28 12:47:31,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.89/6.76 [2019-03-28 12:47:31,730 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.89/6.76 [2019-03-28 12:47:31,730 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.89/6.76 [2019-03-28 12:47:31,732 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.89/6.76 [2019-03-28 12:47:31,733 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:47:31" (1/1) ... 11.89/6.76 [2019-03-28 12:47:31,750 INFO L313 BlockEncoder]: Initial Icfg 24 locations, 29 edges 11.89/6.76 [2019-03-28 12:47:31,752 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.89/6.76 [2019-03-28 12:47:31,752 INFO L263 BlockEncoder]: Using Maximize final states 11.89/6.76 [2019-03-28 12:47:31,753 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.89/6.76 [2019-03-28 12:47:31,753 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.89/6.76 [2019-03-28 12:47:31,755 INFO L296 BlockEncoder]: Using Remove sink states 11.89/6.76 [2019-03-28 12:47:31,756 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.89/6.76 [2019-03-28 12:47:31,756 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.89/6.76 [2019-03-28 12:47:31,778 INFO L185 BlockEncoder]: Using Use SBE 11.89/6.76 [2019-03-28 12:47:31,805 INFO L200 BlockEncoder]: SBE split 11 edges 11.89/6.76 [2019-03-28 12:47:31,810 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 11.89/6.76 [2019-03-28 12:47:31,812 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.89/6.76 [2019-03-28 12:47:31,835 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 11.89/6.76 [2019-03-28 12:47:31,838 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.89/6.76 [2019-03-28 12:47:31,840 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.89/6.76 [2019-03-28 12:47:31,840 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.89/6.76 [2019-03-28 12:47:31,840 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.89/6.76 [2019-03-28 12:47:31,841 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.89/6.76 [2019-03-28 12:47:31,841 INFO L313 BlockEncoder]: Encoded RCFG 18 locations, 33 edges 11.89/6.76 [2019-03-28 12:47:31,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:47:31 BasicIcfg 11.89/6.76 [2019-03-28 12:47:31,842 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.89/6.76 [2019-03-28 12:47:31,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.89/6.76 [2019-03-28 12:47:31,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.89/6.76 [2019-03-28 12:47:31,848 INFO L276 PluginConnector]: TraceAbstraction initialized 11.89/6.76 [2019-03-28 12:47:31,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:47:31" (1/4) ... 11.89/6.76 [2019-03-28 12:47:31,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681d1562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:47:31, skipping insertion in model container 11.89/6.76 [2019-03-28 12:47:31,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:31" (2/4) ... 11.89/6.76 [2019-03-28 12:47:31,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681d1562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:47:31, skipping insertion in model container 11.89/6.76 [2019-03-28 12:47:31,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:47:31" (3/4) ... 11.89/6.76 [2019-03-28 12:47:31,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681d1562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:47:31, skipping insertion in model container 11.89/6.76 [2019-03-28 12:47:31,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:47:31" (4/4) ... 11.89/6.76 [2019-03-28 12:47:31,852 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.89/6.76 [2019-03-28 12:47:31,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.89/6.76 [2019-03-28 12:47:31,871 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. 11.89/6.76 [2019-03-28 12:47:31,888 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. 11.89/6.76 [2019-03-28 12:47:31,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.89/6.76 [2019-03-28 12:47:31,918 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.89/6.76 [2019-03-28 12:47:31,918 INFO L383 AbstractCegarLoop]: Hoare is true 11.89/6.76 [2019-03-28 12:47:31,918 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.89/6.76 [2019-03-28 12:47:31,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.89/6.76 [2019-03-28 12:47:31,919 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.89/6.76 [2019-03-28 12:47:31,919 INFO L387 AbstractCegarLoop]: Difference is false 11.89/6.76 [2019-03-28 12:47:31,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.89/6.76 [2019-03-28 12:47:31,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.89/6.76 [2019-03-28 12:47:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. 11.89/6.76 [2019-03-28 12:47:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 11.89/6.76 [2019-03-28 12:47:31,941 INFO L394 BasicCegarLoop]: Found error trace 11.89/6.76 [2019-03-28 12:47:31,942 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 11.89/6.76 [2019-03-28 12:47:31,942 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== 11.89/6.76 [2019-03-28 12:47:31,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.89/6.76 [2019-03-28 12:47:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash 4590149, now seen corresponding path program 1 times 11.89/6.76 [2019-03-28 12:47:31,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.89/6.76 [2019-03-28 12:47:31,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.89/6.76 [2019-03-28 12:47:32,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.89/6.76 [2019-03-28 12:47:32,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.89/6.76 [2019-03-28 12:47:32,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.89/6.76 [2019-03-28 12:47:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.89/6.76 [2019-03-28 12:47:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.89/6.76 [2019-03-28 12:47:32,090 INFO L469 BasicCegarLoop]: Counterexample might be feasible 11.89/6.76 [2019-03-28 12:47:32,115 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 11.89/6.76 [2019-03-28 12:47:32,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:47:32 BasicIcfg 11.89/6.76 [2019-03-28 12:47:32,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.89/6.76 [2019-03-28 12:47:32,120 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.89/6.76 [2019-03-28 12:47:32,120 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.89/6.76 [2019-03-28 12:47:32,124 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.89/6.76 [2019-03-28 12:47:32,124 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.89/6.76 [2019-03-28 12:47:32,124 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.89/6.76 [2019-03-28 12:47:32,124 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.89/6.76 [2019-03-28 12:47:32,124 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.89/6.76 [2019-03-28 12:47:32,125 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.89/6.76 [2019-03-28 12:47:32,125 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.89/6.76 [2019-03-28 12:47:32,125 INFO L168 Benchmark]: Toolchain (without parser) took 1104.90 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 565.2 MB in the beginning and 599.2 MB in the end (delta: -34.0 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,127 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 563.8 MB in the beginning and 648.9 MB in the end (delta: -85.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 681.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,130 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 ms. Allocated memory is still 681.6 MB. Free memory was 645.8 MB in the beginning and 643.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,130 INFO L168 Benchmark]: RCFGBuilder took 315.31 ms. Allocated memory is still 681.6 MB. Free memory was 643.2 MB in the beginning and 622.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,131 INFO L168 Benchmark]: BlockEncodingV2 took 112.64 ms. Allocated memory is still 681.6 MB. Free memory was 622.1 MB in the beginning and 614.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,132 INFO L168 Benchmark]: TraceAbstraction took 276.51 ms. Allocated memory is still 681.6 MB. Free memory was 614.0 MB in the beginning and 599.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,132 INFO L168 Benchmark]: BuchiAutomizer took 4.71 ms. Allocated memory is still 681.6 MB. Free memory is still 599.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.89/6.76 [2019-03-28 12:47:32,136 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.89/6.76 --- Results --- 11.89/6.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.89/6.76 - StatisticsResult: Initial Icfg 11.89/6.76 24 locations, 29 edges 11.89/6.76 - StatisticsResult: Encoded RCFG 11.89/6.76 18 locations, 33 edges 11.89/6.76 * Results from de.uni_freiburg.informatik.ultimate.core: 11.89/6.76 - StatisticsResult: Toolchain Benchmarks 11.89/6.76 Benchmark results are: 11.89/6.76 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.89/6.76 * CACSL2BoogieTranslator took 319.31 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 563.8 MB in the beginning and 648.9 MB in the end (delta: -85.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 11.89/6.76 * Boogie Procedure Inliner took 44.90 ms. Allocated memory is still 681.6 MB. Free memory was 648.9 MB in the beginning and 645.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.89/6.76 * Boogie Preprocessor took 26.15 ms. Allocated memory is still 681.6 MB. Free memory was 645.8 MB in the beginning and 643.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. 11.89/6.76 * RCFGBuilder took 315.31 ms. Allocated memory is still 681.6 MB. Free memory was 643.2 MB in the beginning and 622.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 50.3 GB. 11.89/6.76 * BlockEncodingV2 took 112.64 ms. Allocated memory is still 681.6 MB. Free memory was 622.1 MB in the beginning and 614.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 11.89/6.76 * TraceAbstraction took 276.51 ms. Allocated memory is still 681.6 MB. Free memory was 614.0 MB in the beginning and 599.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 11.89/6.76 * BuchiAutomizer took 4.71 ms. Allocated memory is still 681.6 MB. Free memory is still 599.2 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.89/6.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.89/6.76 - CounterExampleResult [Line: 15]: pointer dereference may fail 11.89/6.76 pointer dereference may fail 11.89/6.76 We found a FailurePath: 11.89/6.76 [L30] int *A; 11.89/6.76 [L31] int Alen = __VERIFIER_nondet_int(); 11.89/6.76 [L32] int *B; 11.89/6.76 [L33] int Blen = __VERIFIER_nondet_int(); 11.89/6.76 [L34] int *D; 11.89/6.76 [L5] int k = 0; 11.89/6.76 [L6] int i = 0; 11.89/6.76 [L7] int l1 = Alen; 11.89/6.76 [L8] int l2 = Blen; 11.89/6.76 [L9] int found; 11.89/6.76 [L11] COND TRUE i < l1 11.89/6.76 [L12] int j = 0; 11.89/6.76 [L13] found = 0 11.89/6.76 [L14] COND TRUE j < l2 && !found 11.89/6.76 [L15] A[i] 11.89/6.76 11.89/6.76 - StatisticsResult: Ultimate Automizer benchmark data 11.89/6.76 CFG has 1 procedures, 18 locations, 8 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 11.89/6.76 RESULT: Ultimate proved your program to be incorrect! 11.89/6.76 !SESSION 2019-03-28 12:47:27.568 ----------------------------------------------- 11.89/6.76 eclipse.buildId=unknown 11.89/6.76 java.version=1.8.0_181 11.89/6.76 java.vendor=Oracle Corporation 11.89/6.76 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.89/6.76 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.89/6.76 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 11.89/6.76 11.89/6.76 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:47:32.368 11.89/6.76 !MESSAGE The workspace will exit with unsaved changes in this session. 11.89/6.76 Received shutdown request... 11.89/6.76 Ultimate: 11.89/6.76 GTK+ Version Check 11.89/6.76 EOF