11.08/5.53 MAYBE 11.08/5.53 11.08/5.53 Ultimate: Cannot open display: 11.08/5.53 This is Ultimate 0.1.24-8dc7c08-m 11.08/5.53 [2019-03-28 12:49:16,938 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.08/5.53 [2019-03-28 12:49:16,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.08/5.53 [2019-03-28 12:49:16,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.08/5.53 [2019-03-28 12:49:16,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.08/5.53 [2019-03-28 12:49:16,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.08/5.53 [2019-03-28 12:49:16,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.08/5.53 [2019-03-28 12:49:16,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.08/5.53 [2019-03-28 12:49:16,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.08/5.53 [2019-03-28 12:49:16,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.08/5.53 [2019-03-28 12:49:16,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.08/5.53 [2019-03-28 12:49:16,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.08/5.53 [2019-03-28 12:49:16,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.08/5.53 [2019-03-28 12:49:16,964 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.08/5.53 [2019-03-28 12:49:16,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.08/5.53 [2019-03-28 12:49:16,966 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.08/5.53 [2019-03-28 12:49:16,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.08/5.53 [2019-03-28 12:49:16,970 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.08/5.53 [2019-03-28 12:49:16,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.08/5.53 [2019-03-28 12:49:16,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.08/5.53 [2019-03-28 12:49:16,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,974 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,974 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.08/5.53 [2019-03-28 12:49:16,975 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.08/5.53 [2019-03-28 12:49:16,975 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.08/5.53 [2019-03-28 12:49:16,976 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.08/5.53 [2019-03-28 12:49:16,977 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.08/5.53 [2019-03-28 12:49:16,978 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.08/5.53 [2019-03-28 12:49:16,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.08/5.53 [2019-03-28 12:49:16,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.08/5.53 [2019-03-28 12:49:16,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.08/5.53 [2019-03-28 12:49:16,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.08/5.53 [2019-03-28 12:49:16,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.08/5.53 [2019-03-28 12:49:16,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.08/5.53 [2019-03-28 12:49:16,983 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.08/5.53 [2019-03-28 12:49:16,997 INFO L110 SettingsManager]: Loading preferences was successful 11.08/5.53 [2019-03-28 12:49:16,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.08/5.53 [2019-03-28 12:49:16,999 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.08/5.53 [2019-03-28 12:49:16,999 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.08/5.53 [2019-03-28 12:49:16,999 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.08/5.53 [2019-03-28 12:49:16,999 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.08/5.53 [2019-03-28 12:49:17,000 INFO L133 SettingsManager]: * Use SBE=true 11.08/5.53 [2019-03-28 12:49:17,000 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.08/5.53 [2019-03-28 12:49:17,000 INFO L133 SettingsManager]: * Use old map elimination=false 11.08/5.53 [2019-03-28 12:49:17,000 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.08/5.53 [2019-03-28 12:49:17,000 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.08/5.53 [2019-03-28 12:49:17,001 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.08/5.53 [2019-03-28 12:49:17,001 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.08/5.53 [2019-03-28 12:49:17,001 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.08/5.53 [2019-03-28 12:49:17,001 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.08/5.53 [2019-03-28 12:49:17,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.08/5.53 [2019-03-28 12:49:17,002 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.08/5.53 [2019-03-28 12:49:17,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.08/5.53 [2019-03-28 12:49:17,002 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.08/5.53 [2019-03-28 12:49:17,002 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.08/5.53 [2019-03-28 12:49:17,002 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.08/5.53 [2019-03-28 12:49:17,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.08/5.53 [2019-03-28 12:49:17,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.08/5.53 [2019-03-28 12:49:17,003 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.08/5.53 [2019-03-28 12:49:17,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.08/5.53 [2019-03-28 12:49:17,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.08/5.53 [2019-03-28 12:49:17,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.08/5.53 [2019-03-28 12:49:17,004 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.08/5.53 [2019-03-28 12:49:17,004 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.08/5.53 [2019-03-28 12:49:17,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.08/5.53 [2019-03-28 12:49:17,052 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.08/5.53 [2019-03-28 12:49:17,056 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.08/5.53 [2019-03-28 12:49:17,057 INFO L271 PluginConnector]: Initializing CDTParser... 11.08/5.53 [2019-03-28 12:49:17,058 INFO L276 PluginConnector]: CDTParser initialized 11.08/5.53 [2019-03-28 12:49:17,059 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.08/5.53 [2019-03-28 12:49:17,122 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/30c053e78a244b4eac90c370ec365688/FLAGfc9a6513f 11.08/5.53 [2019-03-28 12:49:17,468 INFO L307 CDTParser]: Found 1 translation units. 11.08/5.53 [2019-03-28 12:49:17,469 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.08/5.53 [2019-03-28 12:49:17,475 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/30c053e78a244b4eac90c370ec365688/FLAGfc9a6513f 11.08/5.53 [2019-03-28 12:49:17,864 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/30c053e78a244b4eac90c370ec365688 11.08/5.53 [2019-03-28 12:49:17,876 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.08/5.53 [2019-03-28 12:49:17,878 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.08/5.53 [2019-03-28 12:49:17,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.08/5.53 [2019-03-28 12:49:17,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.08/5.53 [2019-03-28 12:49:17,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.08/5.53 [2019-03-28 12:49:17,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:17" (1/1) ... 11.08/5.53 [2019-03-28 12:49:17,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acc053d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:17, skipping insertion in model container 11.08/5.53 [2019-03-28 12:49:17,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:17" (1/1) ... 11.08/5.53 [2019-03-28 12:49:17,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.08/5.53 [2019-03-28 12:49:17,912 INFO L176 MainTranslator]: Built tables and reachable declarations 11.08/5.53 [2019-03-28 12:49:18,076 INFO L206 PostProcessor]: Analyzing one entry point: main 11.08/5.53 [2019-03-28 12:49:18,090 INFO L191 MainTranslator]: Completed pre-run 11.08/5.53 [2019-03-28 12:49:18,164 INFO L206 PostProcessor]: Analyzing one entry point: main 11.08/5.53 [2019-03-28 12:49:18,180 INFO L195 MainTranslator]: Completed translation 11.08/5.53 [2019-03-28 12:49:18,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18 WrapperNode 11.08/5.53 [2019-03-28 12:49:18,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.08/5.53 [2019-03-28 12:49:18,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.08/5.53 [2019-03-28 12:49:18,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.08/5.53 [2019-03-28 12:49:18,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.08/5.53 [2019-03-28 12:49:18,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.08/5.53 [2019-03-28 12:49:18,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.08/5.53 [2019-03-28 12:49:18,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.08/5.53 [2019-03-28 12:49:18,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.08/5.53 [2019-03-28 12:49:18,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.08/5.53 [2019-03-28 12:49:18,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.08/5.53 [2019-03-28 12:49:18,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.08/5.53 [2019-03-28 12:49:18,247 INFO L276 PluginConnector]: RCFGBuilder initialized 11.08/5.53 [2019-03-28 12:49:18,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 11.08/5.53 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.08/5.53 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.08/5.53 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.08/5.53 [2019-03-28 12:49:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 11.08/5.53 [2019-03-28 12:49:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.08/5.53 [2019-03-28 12:49:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.08/5.53 [2019-03-28 12:49:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 11.08/5.53 [2019-03-28 12:49:18,532 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.08/5.53 [2019-03-28 12:49:18,533 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 11.08/5.53 [2019-03-28 12:49:18,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18 BoogieIcfgContainer 11.08/5.53 [2019-03-28 12:49:18,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.08/5.53 [2019-03-28 12:49:18,535 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.08/5.53 [2019-03-28 12:49:18,535 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.08/5.53 [2019-03-28 12:49:18,538 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.08/5.53 [2019-03-28 12:49:18,539 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18" (1/1) ... 11.08/5.53 [2019-03-28 12:49:18,556 INFO L313 BlockEncoder]: Initial Icfg 31 locations, 35 edges 11.08/5.53 [2019-03-28 12:49:18,557 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.08/5.53 [2019-03-28 12:49:18,558 INFO L263 BlockEncoder]: Using Maximize final states 11.08/5.53 [2019-03-28 12:49:18,559 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.08/5.53 [2019-03-28 12:49:18,559 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.08/5.53 [2019-03-28 12:49:18,561 INFO L296 BlockEncoder]: Using Remove sink states 11.08/5.53 [2019-03-28 12:49:18,562 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.08/5.53 [2019-03-28 12:49:18,562 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.08/5.53 [2019-03-28 12:49:18,581 INFO L185 BlockEncoder]: Using Use SBE 11.08/5.53 [2019-03-28 12:49:18,605 INFO L200 BlockEncoder]: SBE split 12 edges 11.08/5.53 [2019-03-28 12:49:18,610 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 11.08/5.53 [2019-03-28 12:49:18,612 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.08/5.53 [2019-03-28 12:49:18,654 INFO L100 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding 11.08/5.53 [2019-03-28 12:49:18,656 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 11.08/5.53 [2019-03-28 12:49:18,658 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.08/5.53 [2019-03-28 12:49:18,658 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.08/5.53 [2019-03-28 12:49:18,658 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.08/5.53 [2019-03-28 12:49:18,659 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.08/5.53 [2019-03-28 12:49:18,659 INFO L313 BlockEncoder]: Encoded RCFG 23 locations, 37 edges 11.08/5.53 [2019-03-28 12:49:18,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:18 BasicIcfg 11.08/5.53 [2019-03-28 12:49:18,660 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.08/5.53 [2019-03-28 12:49:18,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.08/5.53 [2019-03-28 12:49:18,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.08/5.53 [2019-03-28 12:49:18,664 INFO L276 PluginConnector]: TraceAbstraction initialized 11.08/5.53 [2019-03-28 12:49:18,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:49:17" (1/4) ... 11.08/5.53 [2019-03-28 12:49:18,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c096ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:18, skipping insertion in model container 11.08/5.53 [2019-03-28 12:49:18,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (2/4) ... 11.08/5.53 [2019-03-28 12:49:18,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c096ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:18, skipping insertion in model container 11.08/5.53 [2019-03-28 12:49:18,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18" (3/4) ... 11.08/5.53 [2019-03-28 12:49:18,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c096ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:18, skipping insertion in model container 11.08/5.53 [2019-03-28 12:49:18,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:18" (4/4) ... 11.08/5.53 [2019-03-28 12:49:18,668 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.08/5.53 [2019-03-28 12:49:18,679 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.08/5.53 [2019-03-28 12:49:18,687 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. 11.08/5.53 [2019-03-28 12:49:18,704 INFO L257 AbstractCegarLoop]: Starting to check reachability of 12 error locations. 11.08/5.53 [2019-03-28 12:49:18,733 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.08/5.53 [2019-03-28 12:49:18,734 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.08/5.53 [2019-03-28 12:49:18,734 INFO L383 AbstractCegarLoop]: Hoare is true 11.08/5.53 [2019-03-28 12:49:18,734 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.08/5.53 [2019-03-28 12:49:18,734 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.08/5.53 [2019-03-28 12:49:18,735 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.08/5.53 [2019-03-28 12:49:18,735 INFO L387 AbstractCegarLoop]: Difference is false 11.08/5.53 [2019-03-28 12:49:18,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.08/5.53 [2019-03-28 12:49:18,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.08/5.53 [2019-03-28 12:49:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. 11.08/5.53 [2019-03-28 12:49:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 11.08/5.53 [2019-03-28 12:49:18,756 INFO L394 BasicCegarLoop]: Found error trace 11.08/5.53 [2019-03-28 12:49:18,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 11.08/5.53 [2019-03-28 12:49:18,757 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== 11.08/5.53 [2019-03-28 12:49:18,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.08/5.53 [2019-03-28 12:49:18,763 INFO L82 PathProgramCache]: Analyzing trace with hash 4903718, now seen corresponding path program 1 times 11.08/5.53 [2019-03-28 12:49:18,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.08/5.53 [2019-03-28 12:49:18,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.08/5.53 [2019-03-28 12:49:18,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.08/5.53 [2019-03-28 12:49:18,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.08/5.53 [2019-03-28 12:49:18,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.08/5.53 [2019-03-28 12:49:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.08/5.53 [2019-03-28 12:49:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.08/5.53 [2019-03-28 12:49:18,891 INFO L469 BasicCegarLoop]: Counterexample might be feasible 11.08/5.53 [2019-03-28 12:49:18,911 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 11.08/5.53 [2019-03-28 12:49:18,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:18 BasicIcfg 11.08/5.53 [2019-03-28 12:49:18,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.08/5.53 [2019-03-28 12:49:18,915 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.08/5.53 [2019-03-28 12:49:18,915 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.08/5.53 [2019-03-28 12:49:18,919 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.08/5.53 [2019-03-28 12:49:18,919 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.08/5.53 [2019-03-28 12:49:18,919 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.08/5.53 [2019-03-28 12:49:18,919 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.08/5.53 [2019-03-28 12:49:18,919 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.08/5.53 [2019-03-28 12:49:18,919 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.08/5.53 [2019-03-28 12:49:18,920 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.08/5.53 [2019-03-28 12:49:18,920 INFO L168 Benchmark]: Toolchain (without parser) took 1043.76 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.1 MB in the beginning and 590.0 MB in the end (delta: -31.9 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,922 INFO L168 Benchmark]: CDTParser took 0.20 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. 11.08/5.53 [2019-03-28 12:49:18,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.75 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.1 MB in the beginning and 643.1 MB in the end (delta: -85.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.76 ms. Allocated memory is still 677.4 MB. Free memory was 643.1 MB in the beginning and 639.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,925 INFO L168 Benchmark]: Boogie Preprocessor took 24.76 ms. Allocated memory is still 677.4 MB. Free memory was 639.2 MB in the beginning and 638.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,925 INFO L168 Benchmark]: RCFGBuilder took 288.61 ms. Allocated memory is still 677.4 MB. Free memory was 638.1 MB in the beginning and 618.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,926 INFO L168 Benchmark]: BlockEncodingV2 took 124.99 ms. Allocated memory is still 677.4 MB. Free memory was 618.2 MB in the beginning and 609.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,927 INFO L168 Benchmark]: TraceAbstraction took 253.50 ms. Allocated memory is still 677.4 MB. Free memory was 609.5 MB in the beginning and 591.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,927 INFO L168 Benchmark]: BuchiAutomizer took 4.63 ms. Allocated memory is still 677.4 MB. Free memory is still 590.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.08/5.53 [2019-03-28 12:49:18,931 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.08/5.53 --- Results --- 11.08/5.53 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.08/5.53 - StatisticsResult: Initial Icfg 11.08/5.53 31 locations, 35 edges 11.08/5.53 - StatisticsResult: Encoded RCFG 11.08/5.53 23 locations, 37 edges 11.08/5.53 * Results from de.uni_freiburg.informatik.ultimate.core: 11.08/5.53 - StatisticsResult: Toolchain Benchmarks 11.08/5.53 Benchmark results are: 11.08/5.53 * CDTParser took 0.20 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. 11.08/5.53 * CACSL2BoogieTranslator took 301.75 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.1 MB in the beginning and 643.1 MB in the end (delta: -85.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 11.08/5.53 * Boogie Procedure Inliner took 39.76 ms. Allocated memory is still 677.4 MB. Free memory was 643.1 MB in the beginning and 639.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 11.08/5.53 * Boogie Preprocessor took 24.76 ms. Allocated memory is still 677.4 MB. Free memory was 639.2 MB in the beginning and 638.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.08/5.53 * RCFGBuilder took 288.61 ms. Allocated memory is still 677.4 MB. Free memory was 638.1 MB in the beginning and 618.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 11.08/5.53 * BlockEncodingV2 took 124.99 ms. Allocated memory is still 677.4 MB. Free memory was 618.2 MB in the beginning and 609.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 11.08/5.53 * TraceAbstraction took 253.50 ms. Allocated memory is still 677.4 MB. Free memory was 609.5 MB in the beginning and 591.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 50.3 GB. 11.08/5.53 * BuchiAutomizer took 4.63 ms. Allocated memory is still 677.4 MB. Free memory is still 590.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.08/5.53 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.08/5.53 - CounterExampleResult [Line: 9]: pointer dereference may fail 11.08/5.53 pointer dereference may fail 11.08/5.53 We found a FailurePath: 11.08/5.53 [L19] int* numbers; 11.08/5.53 [L20] int array_size = __VERIFIER_nondet_int(); 11.08/5.53 [L5] int i, j, temp; 11.08/5.53 [L7] i = (array_size - 1) 11.08/5.53 [L7] COND TRUE i >= 0 11.08/5.53 [L8] j = 1 11.08/5.53 [L8] COND TRUE j <= i 11.08/5.53 [L9] numbers[j-1] 11.08/5.53 11.08/5.53 - StatisticsResult: Ultimate Automizer benchmark data 11.08/5.53 CFG has 1 procedures, 23 locations, 12 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=23occurred 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 11.08/5.53 RESULT: Ultimate proved your program to be incorrect! 11.08/5.53 !SESSION 2019-03-28 12:49:14.608 ----------------------------------------------- 11.08/5.53 eclipse.buildId=unknown 11.08/5.53 java.version=1.8.0_181 11.08/5.53 java.vendor=Oracle Corporation 11.08/5.53 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.08/5.53 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.08/5.53 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 11.08/5.53 11.08/5.53 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:49:19.164 11.08/5.53 !MESSAGE The workspace will exit with unsaved changes in this session. 11.08/5.53 Received shutdown request... 11.08/5.53 Ultimate: 11.08/5.53 GTK+ Version Check 11.08/5.53 EOF