11.13/6.44 MAYBE 11.13/6.44 11.13/6.44 Ultimate: Cannot open display: 11.13/6.44 This is Ultimate 0.1.24-8dc7c08-m 11.13/6.44 [2019-03-28 11:56:33,651 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.13/6.44 [2019-03-28 11:56:33,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.13/6.44 [2019-03-28 11:56:33,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.13/6.44 [2019-03-28 11:56:33,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.13/6.44 [2019-03-28 11:56:33,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.13/6.44 [2019-03-28 11:56:33,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.13/6.44 [2019-03-28 11:56:33,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.13/6.44 [2019-03-28 11:56:33,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.13/6.44 [2019-03-28 11:56:33,672 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,672 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.13/6.44 [2019-03-28 11:56:33,673 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.13/6.44 [2019-03-28 11:56:33,674 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.13/6.44 [2019-03-28 11:56:33,675 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.13/6.44 [2019-03-28 11:56:33,676 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.13/6.44 [2019-03-28 11:56:33,677 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.13/6.44 [2019-03-28 11:56:33,678 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.13/6.44 [2019-03-28 11:56:33,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.13/6.44 [2019-03-28 11:56:33,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.13/6.44 [2019-03-28 11:56:33,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.13/6.44 [2019-03-28 11:56:33,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.13/6.44 [2019-03-28 11:56:33,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.13/6.44 [2019-03-28 11:56:33,687 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.13/6.44 [2019-03-28 11:56:33,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.13/6.44 [2019-03-28 11:56:33,688 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.13/6.44 [2019-03-28 11:56:33,689 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.13/6.44 [2019-03-28 11:56:33,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.13/6.44 [2019-03-28 11:56:33,690 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.13/6.44 [2019-03-28 11:56:33,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.13/6.44 [2019-03-28 11:56:33,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.13/6.44 [2019-03-28 11:56:33,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.13/6.44 [2019-03-28 11:56:33,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.13/6.44 [2019-03-28 11:56:33,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.13/6.44 [2019-03-28 11:56:33,694 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 11.13/6.44 [2019-03-28 11:56:33,709 INFO L110 SettingsManager]: Loading preferences was successful 11.13/6.44 [2019-03-28 11:56:33,709 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.13/6.44 [2019-03-28 11:56:33,710 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.13/6.44 [2019-03-28 11:56:33,711 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.13/6.44 [2019-03-28 11:56:33,711 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.13/6.44 [2019-03-28 11:56:33,711 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.13/6.44 [2019-03-28 11:56:33,711 INFO L133 SettingsManager]: * Use SBE=true 11.13/6.44 [2019-03-28 11:56:33,711 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.13/6.44 [2019-03-28 11:56:33,712 INFO L133 SettingsManager]: * Use old map elimination=false 11.13/6.44 [2019-03-28 11:56:33,712 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.13/6.44 [2019-03-28 11:56:33,712 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.13/6.44 [2019-03-28 11:56:33,712 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.13/6.44 [2019-03-28 11:56:33,712 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.13/6.44 [2019-03-28 11:56:33,713 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.13/6.44 [2019-03-28 11:56:33,713 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.13/6.44 [2019-03-28 11:56:33,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.13/6.44 [2019-03-28 11:56:33,713 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.13/6.44 [2019-03-28 11:56:33,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.13/6.44 [2019-03-28 11:56:33,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.13/6.44 [2019-03-28 11:56:33,714 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.13/6.44 [2019-03-28 11:56:33,714 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.13/6.44 [2019-03-28 11:56:33,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.13/6.44 [2019-03-28 11:56:33,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.13/6.44 [2019-03-28 11:56:33,715 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.13/6.44 [2019-03-28 11:56:33,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.13/6.44 [2019-03-28 11:56:33,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.13/6.44 [2019-03-28 11:56:33,715 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.13/6.44 [2019-03-28 11:56:33,715 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.13/6.44 [2019-03-28 11:56:33,715 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.13/6.44 [2019-03-28 11:56:33,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.13/6.44 [2019-03-28 11:56:33,759 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.13/6.44 [2019-03-28 11:56:33,762 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.13/6.44 [2019-03-28 11:56:33,764 INFO L271 PluginConnector]: Initializing CDTParser... 11.13/6.44 [2019-03-28 11:56:33,764 INFO L276 PluginConnector]: CDTParser initialized 11.13/6.44 [2019-03-28 11:56:33,765 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 11.13/6.44 [2019-03-28 11:56:33,832 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/2c05b4c605a34249a5a3355282a2aab7/FLAG28e57d9de 11.13/6.44 [2019-03-28 11:56:34,346 INFO L307 CDTParser]: Found 1 translation units. 11.13/6.44 [2019-03-28 11:56:34,347 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 11.13/6.44 [2019-03-28 11:56:34,354 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/2c05b4c605a34249a5a3355282a2aab7/FLAG28e57d9de 11.13/6.44 [2019-03-28 11:56:34,761 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/2c05b4c605a34249a5a3355282a2aab7 11.13/6.44 [2019-03-28 11:56:34,773 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.13/6.44 [2019-03-28 11:56:34,776 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.13/6.44 [2019-03-28 11:56:34,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.13/6.44 [2019-03-28 11:56:34,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.13/6.44 [2019-03-28 11:56:34,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.13/6.44 [2019-03-28 11:56:34,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:34" (1/1) ... 11.13/6.44 [2019-03-28 11:56:34,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd82787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:34, skipping insertion in model container 11.13/6.44 [2019-03-28 11:56:34,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:34" (1/1) ... 11.13/6.44 [2019-03-28 11:56:34,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.13/6.44 [2019-03-28 11:56:34,811 INFO L176 MainTranslator]: Built tables and reachable declarations 11.13/6.44 [2019-03-28 11:56:34,975 INFO L206 PostProcessor]: Analyzing one entry point: main 11.13/6.44 [2019-03-28 11:56:34,988 INFO L191 MainTranslator]: Completed pre-run 11.13/6.44 [2019-03-28 11:56:35,004 INFO L206 PostProcessor]: Analyzing one entry point: main 11.13/6.44 [2019-03-28 11:56:35,076 INFO L195 MainTranslator]: Completed translation 11.13/6.44 [2019-03-28 11:56:35,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35 WrapperNode 11.13/6.44 [2019-03-28 11:56:35,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.13/6.44 [2019-03-28 11:56:35,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.13/6.44 [2019-03-28 11:56:35,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.13/6.44 [2019-03-28 11:56:35,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.13/6.44 [2019-03-28 11:56:35,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.13/6.44 [2019-03-28 11:56:35,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.13/6.44 [2019-03-28 11:56:35,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.13/6.44 [2019-03-28 11:56:35,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.13/6.44 [2019-03-28 11:56:35,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.13/6.44 [2019-03-28 11:56:35,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.13/6.44 [2019-03-28 11:56:35,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.13/6.44 [2019-03-28 11:56:35,143 INFO L276 PluginConnector]: RCFGBuilder initialized 11.13/6.44 [2019-03-28 11:56:35,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (1/1) ... 11.13/6.44 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.13/6.44 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.13/6.44 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.13/6.44 [2019-03-28 11:56:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 11.13/6.44 [2019-03-28 11:56:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.13/6.44 [2019-03-28 11:56:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.13/6.44 [2019-03-28 11:56:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 11.13/6.44 [2019-03-28 11:56:35,395 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.13/6.44 [2019-03-28 11:56:35,395 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 11.13/6.44 [2019-03-28 11:56:35,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:35 BoogieIcfgContainer 11.13/6.44 [2019-03-28 11:56:35,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.13/6.44 [2019-03-28 11:56:35,398 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.13/6.44 [2019-03-28 11:56:35,398 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.13/6.44 [2019-03-28 11:56:35,400 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.13/6.44 [2019-03-28 11:56:35,401 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:35" (1/1) ... 11.13/6.44 [2019-03-28 11:56:35,418 INFO L313 BlockEncoder]: Initial Icfg 23 locations, 26 edges 11.13/6.44 [2019-03-28 11:56:35,420 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.13/6.44 [2019-03-28 11:56:35,420 INFO L263 BlockEncoder]: Using Maximize final states 11.13/6.44 [2019-03-28 11:56:35,421 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.13/6.44 [2019-03-28 11:56:35,421 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.13/6.44 [2019-03-28 11:56:35,423 INFO L296 BlockEncoder]: Using Remove sink states 11.13/6.44 [2019-03-28 11:56:35,424 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.13/6.44 [2019-03-28 11:56:35,424 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.13/6.44 [2019-03-28 11:56:35,442 INFO L185 BlockEncoder]: Using Use SBE 11.13/6.44 [2019-03-28 11:56:35,465 INFO L200 BlockEncoder]: SBE split 11 edges 11.13/6.44 [2019-03-28 11:56:35,469 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.13/6.44 [2019-03-28 11:56:35,471 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.13/6.44 [2019-03-28 11:56:35,487 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 11.13/6.44 [2019-03-28 11:56:35,489 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 11.13/6.44 [2019-03-28 11:56:35,491 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.13/6.44 [2019-03-28 11:56:35,491 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.13/6.44 [2019-03-28 11:56:35,491 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.13/6.44 [2019-03-28 11:56:35,492 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.13/6.44 [2019-03-28 11:56:35,492 INFO L313 BlockEncoder]: Encoded RCFG 17 locations, 29 edges 11.13/6.44 [2019-03-28 11:56:35,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:35 BasicIcfg 11.13/6.44 [2019-03-28 11:56:35,493 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.13/6.44 [2019-03-28 11:56:35,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.13/6.44 [2019-03-28 11:56:35,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.13/6.44 [2019-03-28 11:56:35,498 INFO L276 PluginConnector]: TraceAbstraction initialized 11.13/6.44 [2019-03-28 11:56:35,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:56:34" (1/4) ... 11.13/6.44 [2019-03-28 11:56:35,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1864bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:35, skipping insertion in model container 11.13/6.44 [2019-03-28 11:56:35,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:35" (2/4) ... 11.13/6.44 [2019-03-28 11:56:35,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1864bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:35, skipping insertion in model container 11.13/6.44 [2019-03-28 11:56:35,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:35" (3/4) ... 11.13/6.44 [2019-03-28 11:56:35,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1864bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:35, skipping insertion in model container 11.13/6.44 [2019-03-28 11:56:35,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:35" (4/4) ... 11.13/6.44 [2019-03-28 11:56:35,502 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.13/6.44 [2019-03-28 11:56:35,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.13/6.44 [2019-03-28 11:56:35,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. 11.13/6.44 [2019-03-28 11:56:35,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. 11.13/6.44 [2019-03-28 11:56:35,569 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.13/6.44 [2019-03-28 11:56:35,569 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.13/6.44 [2019-03-28 11:56:35,570 INFO L383 AbstractCegarLoop]: Hoare is true 11.13/6.44 [2019-03-28 11:56:35,570 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.13/6.44 [2019-03-28 11:56:35,570 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.13/6.45 [2019-03-28 11:56:35,570 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.13/6.45 [2019-03-28 11:56:35,570 INFO L387 AbstractCegarLoop]: Difference is false 11.13/6.45 [2019-03-28 11:56:35,570 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.13/6.45 [2019-03-28 11:56:35,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.13/6.45 [2019-03-28 11:56:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. 11.13/6.45 [2019-03-28 11:56:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 11.13/6.45 [2019-03-28 11:56:35,592 INFO L394 BasicCegarLoop]: Found error trace 11.13/6.45 [2019-03-28 11:56:35,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1] 11.13/6.45 [2019-03-28 11:56:35,595 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 11.13/6.45 [2019-03-28 11:56:35,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.13/6.45 [2019-03-28 11:56:35,601 INFO L82 PathProgramCache]: Analyzing trace with hash 4267, now seen corresponding path program 1 times 11.13/6.45 [2019-03-28 11:56:35,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.13/6.45 [2019-03-28 11:56:35,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.13/6.45 [2019-03-28 11:56:35,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.13/6.45 [2019-03-28 11:56:35,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.13/6.45 [2019-03-28 11:56:35,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.13/6.45 [2019-03-28 11:56:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.13/6.45 [2019-03-28 11:56:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.13/6.45 [2019-03-28 11:56:35,722 INFO L469 BasicCegarLoop]: Counterexample might be feasible 11.13/6.45 [2019-03-28 11:56:35,739 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 11.13/6.45 [2019-03-28 11:56:35,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:35 BasicIcfg 11.13/6.45 [2019-03-28 11:56:35,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.13/6.45 [2019-03-28 11:56:35,743 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.13/6.45 [2019-03-28 11:56:35,743 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.13/6.45 [2019-03-28 11:56:35,746 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.13/6.45 [2019-03-28 11:56:35,747 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.13/6.45 [2019-03-28 11:56:35,747 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.13/6.45 [2019-03-28 11:56:35,747 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.13/6.45 [2019-03-28 11:56:35,747 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.13/6.45 [2019-03-28 11:56:35,747 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 11.13/6.45 [2019-03-28 11:56:35,747 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.13/6.45 [2019-03-28 11:56:35,748 INFO L168 Benchmark]: Toolchain (without parser) took 974.40 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 559.8 MB in the beginning and 581.3 MB in the end (delta: -21.4 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,750 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.33 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 559.8 MB in the beginning and 629.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.90 ms. Allocated memory is still 662.2 MB. Free memory was 629.6 MB in the beginning and 626.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,752 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 ms. Allocated memory is still 662.2 MB. Free memory was 626.5 MB in the beginning and 625.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,753 INFO L168 Benchmark]: RCFGBuilder took 255.04 ms. Allocated memory is still 662.2 MB. Free memory was 625.2 MB in the beginning and 606.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,754 INFO L168 Benchmark]: BlockEncodingV2 took 95.47 ms. Allocated memory is still 662.2 MB. Free memory was 606.9 MB in the beginning and 600.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,754 INFO L168 Benchmark]: TraceAbstraction took 248.45 ms. Allocated memory is still 662.2 MB. Free memory was 600.1 MB in the beginning and 581.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,755 INFO L168 Benchmark]: BuchiAutomizer took 4.49 ms. Allocated memory is still 662.2 MB. Free memory is still 581.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.13/6.45 [2019-03-28 11:56:35,759 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.13/6.45 --- Results --- 11.13/6.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.13/6.45 - StatisticsResult: Initial Icfg 11.13/6.45 23 locations, 26 edges 11.13/6.45 - StatisticsResult: Encoded RCFG 11.13/6.45 17 locations, 29 edges 11.13/6.45 * Results from de.uni_freiburg.informatik.ultimate.core: 11.13/6.45 - StatisticsResult: Toolchain Benchmarks 11.13/6.45 Benchmark results are: 11.13/6.45 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.13/6.45 * CACSL2BoogieTranslator took 300.33 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 559.8 MB in the beginning and 629.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. 11.13/6.45 * Boogie Procedure Inliner took 38.90 ms. Allocated memory is still 662.2 MB. Free memory was 629.6 MB in the beginning and 626.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.13/6.45 * Boogie Preprocessor took 25.37 ms. Allocated memory is still 662.2 MB. Free memory was 626.5 MB in the beginning and 625.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 11.13/6.45 * RCFGBuilder took 255.04 ms. Allocated memory is still 662.2 MB. Free memory was 625.2 MB in the beginning and 606.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 50.3 GB. 11.13/6.45 * BlockEncodingV2 took 95.47 ms. Allocated memory is still 662.2 MB. Free memory was 606.9 MB in the beginning and 600.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.13/6.45 * TraceAbstraction took 248.45 ms. Allocated memory is still 662.2 MB. Free memory was 600.1 MB in the beginning and 581.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 11.13/6.45 * BuchiAutomizer took 4.49 ms. Allocated memory is still 662.2 MB. Free memory is still 581.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.13/6.45 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.13/6.45 - CounterExampleResult [Line: 2]: pointer dereference may fail 11.13/6.45 pointer dereference may fail 11.13/6.45 We found a FailurePath: 11.13/6.45 [L12] char *x; 11.13/6.45 [L13] char *y; 11.13/6.45 [L2] *y = 0 11.13/6.45 11.13/6.45 - StatisticsResult: Ultimate Automizer benchmark data 11.13/6.45 CFG has 1 procedures, 17 locations, 8 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=17occurred 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, 2 NumberOfCodeBlocks, 2 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 11.13/6.45 RESULT: Ultimate proved your program to be incorrect! 11.13/6.45 !SESSION 2019-03-28 11:56:31.090 ----------------------------------------------- 11.13/6.45 eclipse.buildId=unknown 11.13/6.45 java.version=1.8.0_181 11.13/6.45 java.vendor=Oracle Corporation 11.13/6.45 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.13/6.45 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.13/6.45 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.13/6.45 11.13/6.45 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:56:35.991 11.13/6.45 !MESSAGE The workspace will exit with unsaved changes in this session. 11.13/6.45 Received shutdown request... 11.13/6.45 Ultimate: 11.13/6.45 GTK+ Version Check 11.13/6.45 EOF