10.80/5.78 MAYBE 10.80/5.78 10.80/5.78 Ultimate: Cannot open display: 10.80/5.78 This is Ultimate 0.1.24-8dc7c08-m 10.80/5.78 [2019-03-28 12:49:46,496 INFO L170 SettingsManager]: Resetting all preferences to default values... 10.80/5.78 [2019-03-28 12:49:46,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 10.80/5.78 [2019-03-28 12:49:46,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 10.80/5.78 [2019-03-28 12:49:46,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 10.80/5.78 [2019-03-28 12:49:46,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 10.80/5.78 [2019-03-28 12:49:46,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 10.80/5.78 [2019-03-28 12:49:46,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 10.80/5.78 [2019-03-28 12:49:46,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 10.80/5.78 [2019-03-28 12:49:46,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 10.80/5.78 [2019-03-28 12:49:46,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 10.80/5.78 [2019-03-28 12:49:46,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 10.80/5.78 [2019-03-28 12:49:46,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 10.80/5.78 [2019-03-28 12:49:46,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 10.80/5.78 [2019-03-28 12:49:46,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 10.80/5.78 [2019-03-28 12:49:46,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 10.80/5.78 [2019-03-28 12:49:46,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 10.80/5.78 [2019-03-28 12:49:46,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 10.80/5.78 [2019-03-28 12:49:46,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 10.80/5.78 [2019-03-28 12:49:46,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 10.80/5.78 [2019-03-28 12:49:46,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 10.80/5.78 [2019-03-28 12:49:46,532 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 10.80/5.78 [2019-03-28 12:49:46,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 10.80/5.78 [2019-03-28 12:49:46,533 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 10.80/5.78 [2019-03-28 12:49:46,534 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 10.80/5.78 [2019-03-28 12:49:46,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 10.80/5.78 [2019-03-28 12:49:46,536 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 10.80/5.78 [2019-03-28 12:49:46,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 10.80/5.78 [2019-03-28 12:49:46,538 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,538 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 10.80/5.78 [2019-03-28 12:49:46,538 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 10.80/5.78 [2019-03-28 12:49:46,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 10.80/5.78 [2019-03-28 12:49:46,539 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 10.80/5.78 [2019-03-28 12:49:46,540 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 10.80/5.78 [2019-03-28 12:49:46,554 INFO L110 SettingsManager]: Loading preferences was successful 10.80/5.78 [2019-03-28 12:49:46,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 10.80/5.78 [2019-03-28 12:49:46,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 10.80/5.78 [2019-03-28 12:49:46,556 INFO L133 SettingsManager]: * Rewrite not-equals=true 10.80/5.78 [2019-03-28 12:49:46,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 10.80/5.78 [2019-03-28 12:49:46,556 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 10.80/5.78 [2019-03-28 12:49:46,556 INFO L133 SettingsManager]: * Use SBE=true 10.80/5.78 [2019-03-28 12:49:46,556 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Use old map elimination=false 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 10.80/5.78 [2019-03-28 12:49:46,557 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 10.80/5.78 [2019-03-28 12:49:46,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 10.80/5.78 [2019-03-28 12:49:46,558 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 10.80/5.78 [2019-03-28 12:49:46,558 INFO L133 SettingsManager]: * Check division by zero=IGNORE 10.80/5.78 [2019-03-28 12:49:46,558 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 10.80/5.78 [2019-03-28 12:49:46,558 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 10.80/5.78 [2019-03-28 12:49:46,559 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 10.80/5.78 [2019-03-28 12:49:46,559 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 10.80/5.78 [2019-03-28 12:49:46,559 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 10.80/5.78 [2019-03-28 12:49:46,559 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 10.80/5.78 [2019-03-28 12:49:46,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.80/5.78 [2019-03-28 12:49:46,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 10.80/5.78 [2019-03-28 12:49:46,560 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 10.80/5.78 [2019-03-28 12:49:46,560 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 10.80/5.78 [2019-03-28 12:49:46,560 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 10.80/5.78 [2019-03-28 12:49:46,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 10.80/5.78 [2019-03-28 12:49:46,600 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 10.80/5.78 [2019-03-28 12:49:46,604 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 10.80/5.78 [2019-03-28 12:49:46,605 INFO L271 PluginConnector]: Initializing CDTParser... 10.80/5.78 [2019-03-28 12:49:46,606 INFO L276 PluginConnector]: CDTParser initialized 10.80/5.78 [2019-03-28 12:49:46,606 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 10.80/5.78 [2019-03-28 12:49:46,677 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e7ae2a0d9c4e469f95ac9be4e499bc35/FLAGf87b87a79 10.80/5.78 [2019-03-28 12:49:47,021 INFO L307 CDTParser]: Found 1 translation units. 10.80/5.78 [2019-03-28 12:49:47,022 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 10.80/5.78 [2019-03-28 12:49:47,029 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e7ae2a0d9c4e469f95ac9be4e499bc35/FLAGf87b87a79 10.80/5.78 [2019-03-28 12:49:47,429 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e7ae2a0d9c4e469f95ac9be4e499bc35 10.80/5.78 [2019-03-28 12:49:47,440 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 10.80/5.78 [2019-03-28 12:49:47,442 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 10.80/5.78 [2019-03-28 12:49:47,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 10.80/5.78 [2019-03-28 12:49:47,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 10.80/5.78 [2019-03-28 12:49:47,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 10.80/5.78 [2019-03-28 12:49:47,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f58278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47, skipping insertion in model container 10.80/5.78 [2019-03-28 12:49:47,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 10.80/5.78 [2019-03-28 12:49:47,477 INFO L176 MainTranslator]: Built tables and reachable declarations 10.80/5.78 [2019-03-28 12:49:47,638 INFO L206 PostProcessor]: Analyzing one entry point: main 10.80/5.78 [2019-03-28 12:49:47,650 INFO L191 MainTranslator]: Completed pre-run 10.80/5.78 [2019-03-28 12:49:47,722 INFO L206 PostProcessor]: Analyzing one entry point: main 10.80/5.78 [2019-03-28 12:49:47,737 INFO L195 MainTranslator]: Completed translation 10.80/5.78 [2019-03-28 12:49:47,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47 WrapperNode 10.80/5.78 [2019-03-28 12:49:47,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 10.80/5.78 [2019-03-28 12:49:47,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 10.80/5.78 [2019-03-28 12:49:47,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 10.80/5.78 [2019-03-28 12:49:47,739 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 10.80/5.78 [2019-03-28 12:49:47,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 10.80/5.78 [2019-03-28 12:49:47,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 10.80/5.78 [2019-03-28 12:49:47,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 10.80/5.78 [2019-03-28 12:49:47,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized 10.80/5.78 [2019-03-28 12:49:47,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 [2019-03-28 12:49:47,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 10.80/5.78 [2019-03-28 12:49:47,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 10.80/5.78 [2019-03-28 12:49:47,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... 10.80/5.78 [2019-03-28 12:49:47,803 INFO L276 PluginConnector]: RCFGBuilder initialized 10.80/5.78 [2019-03-28 12:49:47,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 10.80/5.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 10.80/5.78 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 10.80/5.78 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.80/5.78 [2019-03-28 12:49:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 10.80/5.78 [2019-03-28 12:49:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 10.80/5.78 [2019-03-28 12:49:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 10.80/5.78 [2019-03-28 12:49:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 10.80/5.78 [2019-03-28 12:49:48,050 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 10.80/5.78 [2019-03-28 12:49:48,051 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 10.80/5.78 [2019-03-28 12:49:48,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:48 BoogieIcfgContainer 10.80/5.78 [2019-03-28 12:49:48,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 10.80/5.78 [2019-03-28 12:49:48,053 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 10.80/5.78 [2019-03-28 12:49:48,053 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 10.80/5.78 [2019-03-28 12:49:48,055 INFO L276 PluginConnector]: BlockEncodingV2 initialized 10.80/5.78 [2019-03-28 12:49:48,056 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:48" (1/1) ... 10.80/5.78 [2019-03-28 12:49:48,072 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 24 edges 10.80/5.78 [2019-03-28 12:49:48,074 INFO L258 BlockEncoder]: Using Remove infeasible edges 10.80/5.78 [2019-03-28 12:49:48,075 INFO L263 BlockEncoder]: Using Maximize final states 10.80/5.78 [2019-03-28 12:49:48,075 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 10.80/5.78 [2019-03-28 12:49:48,076 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 10.80/5.78 [2019-03-28 12:49:48,077 INFO L296 BlockEncoder]: Using Remove sink states 10.80/5.78 [2019-03-28 12:49:48,078 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 10.80/5.78 [2019-03-28 12:49:48,078 INFO L179 BlockEncoder]: Using Rewrite not-equals 10.80/5.78 [2019-03-28 12:49:48,097 INFO L185 BlockEncoder]: Using Use SBE 10.80/5.78 [2019-03-28 12:49:48,116 INFO L200 BlockEncoder]: SBE split 6 edges 10.80/5.78 [2019-03-28 12:49:48,120 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 10.80/5.78 [2019-03-28 12:49:48,122 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.80/5.78 [2019-03-28 12:49:48,155 INFO L100 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding 10.80/5.78 [2019-03-28 12:49:48,158 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 10.80/5.78 [2019-03-28 12:49:48,160 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 10.80/5.78 [2019-03-28 12:49:48,160 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.80/5.78 [2019-03-28 12:49:48,160 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 10.80/5.78 [2019-03-28 12:49:48,161 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 10.80/5.78 [2019-03-28 12:49:48,161 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 19 edges 10.80/5.78 [2019-03-28 12:49:48,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:48 BasicIcfg 10.80/5.78 [2019-03-28 12:49:48,162 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 10.80/5.78 [2019-03-28 12:49:48,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 10.80/5.78 [2019-03-28 12:49:48,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... 10.80/5.78 [2019-03-28 12:49:48,166 INFO L276 PluginConnector]: TraceAbstraction initialized 10.80/5.78 [2019-03-28 12:49:48,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:49:47" (1/4) ... 10.80/5.78 [2019-03-28 12:49:48,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31537764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:48, skipping insertion in model container 10.80/5.78 [2019-03-28 12:49:48,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (2/4) ... 10.80/5.78 [2019-03-28 12:49:48,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31537764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:48, skipping insertion in model container 10.80/5.78 [2019-03-28 12:49:48,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:48" (3/4) ... 10.80/5.78 [2019-03-28 12:49:48,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31537764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:48, skipping insertion in model container 10.80/5.78 [2019-03-28 12:49:48,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:48" (4/4) ... 10.80/5.78 [2019-03-28 12:49:48,170 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 10.80/5.78 [2019-03-28 12:49:48,180 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 10.80/5.78 [2019-03-28 12:49:48,188 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. 10.80/5.78 [2019-03-28 12:49:48,205 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. 10.80/5.78 [2019-03-28 12:49:48,233 INFO L133 ementStrategyFactory]: Using default assertion order modulation 10.80/5.78 [2019-03-28 12:49:48,234 INFO L382 AbstractCegarLoop]: Interprodecural is true 10.80/5.78 [2019-03-28 12:49:48,234 INFO L383 AbstractCegarLoop]: Hoare is true 10.80/5.78 [2019-03-28 12:49:48,234 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 10.80/5.78 [2019-03-28 12:49:48,235 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 10.80/5.78 [2019-03-28 12:49:48,235 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 10.80/5.78 [2019-03-28 12:49:48,235 INFO L387 AbstractCegarLoop]: Difference is false 10.80/5.78 [2019-03-28 12:49:48,235 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 10.80/5.78 [2019-03-28 12:49:48,236 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 10.80/5.78 [2019-03-28 12:49:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. 10.80/5.78 [2019-03-28 12:49:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 10.80/5.78 [2019-03-28 12:49:48,256 INFO L394 BasicCegarLoop]: Found error trace 10.80/5.78 [2019-03-28 12:49:48,257 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] 10.80/5.78 [2019-03-28 12:49:48,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION]=== 10.80/5.78 [2019-03-28 12:49:48,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.80/5.78 [2019-03-28 12:49:48,263 INFO L82 PathProgramCache]: Analyzing trace with hash 115861, now seen corresponding path program 1 times 10.80/5.78 [2019-03-28 12:49:48,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.80/5.78 [2019-03-28 12:49:48,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.80/5.78 [2019-03-28 12:49:48,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.80/5.78 [2019-03-28 12:49:48,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.80/5.78 [2019-03-28 12:49:48,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.80/5.78 [2019-03-28 12:49:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.80/5.78 [2019-03-28 12:49:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.80/5.78 [2019-03-28 12:49:48,393 INFO L469 BasicCegarLoop]: Counterexample might be feasible 10.80/5.78 [2019-03-28 12:49:48,413 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 10.80/5.78 [2019-03-28 12:49:48,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:48 BasicIcfg 10.80/5.78 [2019-03-28 12:49:48,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 10.80/5.78 [2019-03-28 12:49:48,417 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 10.80/5.78 [2019-03-28 12:49:48,417 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 10.80/5.78 [2019-03-28 12:49:48,420 INFO L276 PluginConnector]: BuchiAutomizer initialized 10.80/5.78 [2019-03-28 12:49:48,420 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 10.80/5.78 [2019-03-28 12:49:48,421 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 10.80/5.78 [2019-03-28 12:49:48,421 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 10.80/5.78 [2019-03-28 12:49:48,421 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 10.80/5.78 [2019-03-28 12:49:48,421 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 10.80/5.78 [2019-03-28 12:49:48,421 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 10.80/5.78 [2019-03-28 12:49:48,422 INFO L168 Benchmark]: Toolchain (without parser) took 980.98 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 559.4 MB in the beginning and 575.5 MB in the end (delta: -16.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,424 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.38 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 558.3 MB in the beginning and 625.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 659.6 MB. Free memory was 625.3 MB in the beginning and 622.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,426 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 659.6 MB. Free memory was 622.4 MB in the beginning and 620.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,427 INFO L168 Benchmark]: RCFGBuilder took 249.12 ms. Allocated memory is still 659.6 MB. Free memory was 620.3 MB in the beginning and 602.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,427 INFO L168 Benchmark]: BlockEncodingV2 took 109.49 ms. Allocated memory is still 659.6 MB. Free memory was 602.5 MB in the beginning and 594.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,428 INFO L168 Benchmark]: TraceAbstraction took 253.12 ms. Allocated memory is still 659.6 MB. Free memory was 594.9 MB in the beginning and 576.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,428 INFO L168 Benchmark]: BuchiAutomizer took 4.63 ms. Allocated memory is still 659.6 MB. Free memory is still 575.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.80/5.78 [2019-03-28 12:49:48,432 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 10.80/5.78 --- Results --- 10.80/5.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 10.80/5.78 - StatisticsResult: Initial Icfg 10.80/5.78 21 locations, 24 edges 10.80/5.78 - StatisticsResult: Encoded RCFG 10.80/5.78 12 locations, 19 edges 10.80/5.78 * Results from de.uni_freiburg.informatik.ultimate.core: 10.80/5.78 - StatisticsResult: Toolchain Benchmarks 10.80/5.78 Benchmark results are: 10.80/5.78 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.80/5.78 * CACSL2BoogieTranslator took 295.38 ms. Allocated memory was 649.6 MB in the beginning and 659.6 MB in the end (delta: 10.0 MB). Free memory was 558.3 MB in the beginning and 625.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 10.80/5.78 * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 659.6 MB. Free memory was 625.3 MB in the beginning and 622.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 10.80/5.78 * Boogie Preprocessor took 24.05 ms. Allocated memory is still 659.6 MB. Free memory was 622.4 MB in the beginning and 620.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. 10.80/5.78 * RCFGBuilder took 249.12 ms. Allocated memory is still 659.6 MB. Free memory was 620.3 MB in the beginning and 602.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 50.3 GB. 10.80/5.78 * BlockEncodingV2 took 109.49 ms. Allocated memory is still 659.6 MB. Free memory was 602.5 MB in the beginning and 594.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 10.80/5.78 * TraceAbstraction took 253.12 ms. Allocated memory is still 659.6 MB. Free memory was 594.9 MB in the beginning and 576.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 10.80/5.78 * BuchiAutomizer took 4.63 ms. Allocated memory is still 659.6 MB. Free memory is still 575.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.80/5.78 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 10.80/5.78 - CounterExampleResult [Line: 11]: pointer dereference may fail 10.80/5.78 pointer dereference may fail 10.80/5.78 We found a FailurePath: 10.80/5.78 [L20] int* numbers; 10.80/5.78 [L21] int array_size = __VERIFIER_nondet_int(); 10.80/5.78 [L5] int i, sum; 10.80/5.78 [L6] char* p; 10.80/5.78 [L7] sum = 0 10.80/5.78 [L8] i = 0 10.80/5.78 [L8] COND TRUE i < array_size 10.80/5.78 [L9] p = &(numbers[i]) 10.80/5.78 [L10] p = p + 2 10.80/5.78 [L11] \read(*p) 10.80/5.78 10.80/5.78 - StatisticsResult: Ultimate Automizer benchmark data 10.80/5.78 CFG has 1 procedures, 12 locations, 6 error locations. UNSAFE Result, 0.1s 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=12occurred 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, 3 NumberOfCodeBlocks, 3 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 10.80/5.78 RESULT: Ultimate proved your program to be incorrect! 10.80/5.78 !SESSION 2019-03-28 12:49:44.162 ----------------------------------------------- 10.80/5.78 eclipse.buildId=unknown 10.80/5.78 java.version=1.8.0_181 10.80/5.78 java.vendor=Oracle Corporation 10.80/5.78 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 10.80/5.78 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 10.80/5.78 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 10.80/5.78 10.80/5.78 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:49:48.670 10.80/5.78 !MESSAGE The workspace will exit with unsaved changes in this session. 10.80/5.78 Received shutdown request... 10.80/5.78 Ultimate: 10.80/5.78 GTK+ Version Check 10.80/5.78 EOF