12.00/5.61 MAYBE 12.00/5.61 12.00/5.61 Ultimate: Cannot open display: 12.00/5.61 This is Ultimate 0.1.24-8dc7c08-m 12.00/5.61 [2019-03-28 12:48:49,690 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.00/5.61 [2019-03-28 12:48:49,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.00/5.61 [2019-03-28 12:48:49,703 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.00/5.61 [2019-03-28 12:48:49,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.00/5.61 [2019-03-28 12:48:49,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.00/5.61 [2019-03-28 12:48:49,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.00/5.61 [2019-03-28 12:48:49,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.00/5.61 [2019-03-28 12:48:49,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.00/5.61 [2019-03-28 12:48:49,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.00/5.61 [2019-03-28 12:48:49,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.00/5.61 [2019-03-28 12:48:49,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.00/5.61 [2019-03-28 12:48:49,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.00/5.61 [2019-03-28 12:48:49,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.00/5.61 [2019-03-28 12:48:49,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.00/5.61 [2019-03-28 12:48:49,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.00/5.61 [2019-03-28 12:48:49,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.00/5.61 [2019-03-28 12:48:49,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.00/5.61 [2019-03-28 12:48:49,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.00/5.61 [2019-03-28 12:48:49,723 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.00/5.61 [2019-03-28 12:48:49,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,725 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,725 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.00/5.61 [2019-03-28 12:48:49,726 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.00/5.61 [2019-03-28 12:48:49,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.00/5.61 [2019-03-28 12:48:49,728 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.00/5.61 [2019-03-28 12:48:49,728 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.00/5.61 [2019-03-28 12:48:49,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.00/5.61 [2019-03-28 12:48:49,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.00/5.61 [2019-03-28 12:48:49,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.00/5.61 [2019-03-28 12:48:49,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,732 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.00/5.61 [2019-03-28 12:48:49,732 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.00/5.61 [2019-03-28 12:48:49,733 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.00/5.61 [2019-03-28 12:48:49,733 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.00/5.61 [2019-03-28 12:48:49,734 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 12.00/5.61 [2019-03-28 12:48:49,748 INFO L110 SettingsManager]: Loading preferences was successful 12.00/5.61 [2019-03-28 12:48:49,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.00/5.61 [2019-03-28 12:48:49,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.00/5.61 [2019-03-28 12:48:49,750 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.00/5.61 [2019-03-28 12:48:49,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.00/5.61 [2019-03-28 12:48:49,750 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.00/5.61 [2019-03-28 12:48:49,750 INFO L133 SettingsManager]: * Use SBE=true 12.00/5.61 [2019-03-28 12:48:49,750 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.00/5.61 [2019-03-28 12:48:49,751 INFO L133 SettingsManager]: * Use old map elimination=false 12.00/5.61 [2019-03-28 12:48:49,751 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.00/5.61 [2019-03-28 12:48:49,751 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.00/5.61 [2019-03-28 12:48:49,751 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.00/5.61 [2019-03-28 12:48:49,751 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.00/5.61 [2019-03-28 12:48:49,752 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.00/5.61 [2019-03-28 12:48:49,752 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.00/5.61 [2019-03-28 12:48:49,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.00/5.61 [2019-03-28 12:48:49,752 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.00/5.61 [2019-03-28 12:48:49,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.00/5.61 [2019-03-28 12:48:49,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.00/5.61 [2019-03-28 12:48:49,753 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.00/5.61 [2019-03-28 12:48:49,753 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.00/5.61 [2019-03-28 12:48:49,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.00/5.61 [2019-03-28 12:48:49,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.00/5.61 [2019-03-28 12:48:49,753 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.00/5.61 [2019-03-28 12:48:49,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.00/5.61 [2019-03-28 12:48:49,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.00/5.61 [2019-03-28 12:48:49,754 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.00/5.61 [2019-03-28 12:48:49,754 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.00/5.61 [2019-03-28 12:48:49,754 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.00/5.61 [2019-03-28 12:48:49,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.00/5.61 [2019-03-28 12:48:49,792 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.00/5.61 [2019-03-28 12:48:49,795 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.00/5.61 [2019-03-28 12:48:49,797 INFO L271 PluginConnector]: Initializing CDTParser... 12.00/5.61 [2019-03-28 12:48:49,797 INFO L276 PluginConnector]: CDTParser initialized 12.00/5.61 [2019-03-28 12:48:49,798 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 12.00/5.61 [2019-03-28 12:48:49,867 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/db91cc0124a048738c1289db3bd3a3c4/FLAG785aded94 12.00/5.61 [2019-03-28 12:48:50,206 INFO L307 CDTParser]: Found 1 translation units. 12.00/5.61 [2019-03-28 12:48:50,207 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 12.00/5.61 [2019-03-28 12:48:50,207 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 12.00/5.61 [2019-03-28 12:48:50,213 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/db91cc0124a048738c1289db3bd3a3c4/FLAG785aded94 12.00/5.61 [2019-03-28 12:48:50,607 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/db91cc0124a048738c1289db3bd3a3c4 12.00/5.61 [2019-03-28 12:48:50,618 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.00/5.61 [2019-03-28 12:48:50,619 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.00/5.61 [2019-03-28 12:48:50,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.00/5.61 [2019-03-28 12:48:50,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.00/5.61 [2019-03-28 12:48:50,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.00/5.61 [2019-03-28 12:48:50,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17b84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50, skipping insertion in model container 12.00/5.61 [2019-03-28 12:48:50,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.00/5.61 [2019-03-28 12:48:50,653 INFO L176 MainTranslator]: Built tables and reachable declarations 12.00/5.61 [2019-03-28 12:48:50,816 INFO L206 PostProcessor]: Analyzing one entry point: main 12.00/5.61 [2019-03-28 12:48:50,828 INFO L191 MainTranslator]: Completed pre-run 12.00/5.61 [2019-03-28 12:48:50,846 INFO L206 PostProcessor]: Analyzing one entry point: main 12.00/5.61 [2019-03-28 12:48:50,925 INFO L195 MainTranslator]: Completed translation 12.00/5.61 [2019-03-28 12:48:50,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50 WrapperNode 12.00/5.61 [2019-03-28 12:48:50,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.00/5.61 [2019-03-28 12:48:50,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.00/5.61 [2019-03-28 12:48:50,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.00/5.61 [2019-03-28 12:48:50,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.00/5.61 [2019-03-28 12:48:50,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.00/5.61 [2019-03-28 12:48:50,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.00/5.61 [2019-03-28 12:48:50,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.00/5.61 [2019-03-28 12:48:50,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.00/5.61 [2019-03-28 12:48:50,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 [2019-03-28 12:48:50,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.00/5.61 [2019-03-28 12:48:50,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.00/5.61 [2019-03-28 12:48:50,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.00/5.61 [2019-03-28 12:48:50,994 INFO L276 PluginConnector]: RCFGBuilder initialized 12.00/5.61 [2019-03-28 12:48:50,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (1/1) ... 12.00/5.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.00/5.61 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.00/5.61 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.00/5.61 [2019-03-28 12:48:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 12.00/5.61 [2019-03-28 12:48:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.00/5.61 [2019-03-28 12:48:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.00/5.61 [2019-03-28 12:48:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 12.00/5.61 [2019-03-28 12:48:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 12.00/5.61 [2019-03-28 12:48:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 12.00/5.61 [2019-03-28 12:48:51,269 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.00/5.61 [2019-03-28 12:48:51,269 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.00/5.61 [2019-03-28 12:48:51,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:51 BoogieIcfgContainer 12.00/5.61 [2019-03-28 12:48:51,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.00/5.61 [2019-03-28 12:48:51,271 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.00/5.61 [2019-03-28 12:48:51,272 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.00/5.61 [2019-03-28 12:48:51,274 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.00/5.61 [2019-03-28 12:48:51,275 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:51" (1/1) ... 12.00/5.61 [2019-03-28 12:48:51,291 INFO L313 BlockEncoder]: Initial Icfg 25 locations, 29 edges 12.00/5.61 [2019-03-28 12:48:51,292 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.00/5.61 [2019-03-28 12:48:51,293 INFO L263 BlockEncoder]: Using Maximize final states 12.00/5.61 [2019-03-28 12:48:51,294 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.00/5.61 [2019-03-28 12:48:51,294 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.00/5.61 [2019-03-28 12:48:51,296 INFO L296 BlockEncoder]: Using Remove sink states 12.00/5.61 [2019-03-28 12:48:51,296 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.00/5.61 [2019-03-28 12:48:51,297 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.00/5.61 [2019-03-28 12:48:51,317 INFO L185 BlockEncoder]: Using Use SBE 12.00/5.61 [2019-03-28 12:48:51,341 INFO L200 BlockEncoder]: SBE split 12 edges 12.00/5.61 [2019-03-28 12:48:51,346 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.00/5.61 [2019-03-28 12:48:51,348 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.00/5.61 [2019-03-28 12:48:51,371 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 12.00/5.61 [2019-03-28 12:48:51,374 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.00/5.61 [2019-03-28 12:48:51,375 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.00/5.61 [2019-03-28 12:48:51,376 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.00/5.61 [2019-03-28 12:48:51,376 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.00/5.61 [2019-03-28 12:48:51,377 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.00/5.61 [2019-03-28 12:48:51,377 INFO L313 BlockEncoder]: Encoded RCFG 19 locations, 33 edges 12.00/5.61 [2019-03-28 12:48:51,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:48:51 BasicIcfg 12.00/5.61 [2019-03-28 12:48:51,378 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.00/5.61 [2019-03-28 12:48:51,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.00/5.61 [2019-03-28 12:48:51,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.00/5.61 [2019-03-28 12:48:51,382 INFO L276 PluginConnector]: TraceAbstraction initialized 12.00/5.61 [2019-03-28 12:48:51,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:48:50" (1/4) ... 12.00/5.61 [2019-03-28 12:48:51,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe55bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:48:51, skipping insertion in model container 12.00/5.61 [2019-03-28 12:48:51,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:48:50" (2/4) ... 12.00/5.61 [2019-03-28 12:48:51,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe55bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:48:51, skipping insertion in model container 12.00/5.61 [2019-03-28 12:48:51,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:48:51" (3/4) ... 12.00/5.61 [2019-03-28 12:48:51,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe55bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:48:51, skipping insertion in model container 12.00/5.61 [2019-03-28 12:48:51,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:48:51" (4/4) ... 12.00/5.61 [2019-03-28 12:48:51,387 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.00/5.61 [2019-03-28 12:48:51,397 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.00/5.61 [2019-03-28 12:48:51,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. 12.00/5.61 [2019-03-28 12:48:51,422 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. 12.00/5.61 [2019-03-28 12:48:51,451 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.00/5.61 [2019-03-28 12:48:51,452 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.00/5.61 [2019-03-28 12:48:51,452 INFO L383 AbstractCegarLoop]: Hoare is true 12.00/5.61 [2019-03-28 12:48:51,452 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.00/5.61 [2019-03-28 12:48:51,452 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.00/5.61 [2019-03-28 12:48:51,452 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.00/5.61 [2019-03-28 12:48:51,452 INFO L387 AbstractCegarLoop]: Difference is false 12.00/5.61 [2019-03-28 12:48:51,452 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.00/5.61 [2019-03-28 12:48:51,453 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.00/5.61 [2019-03-28 12:48:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. 12.00/5.61 [2019-03-28 12:48:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 12.00/5.61 [2019-03-28 12:48:51,475 INFO L394 BasicCegarLoop]: Found error trace 12.00/5.61 [2019-03-28 12:48:51,476 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 12.00/5.61 [2019-03-28 12:48:51,478 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 12.00/5.61 [2019-03-28 12:48:51,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.00/5.61 [2019-03-28 12:48:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash 4519710, now seen corresponding path program 1 times 12.00/5.61 [2019-03-28 12:48:51,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.00/5.61 [2019-03-28 12:48:51,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.00/5.61 [2019-03-28 12:48:51,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.00/5.61 [2019-03-28 12:48:51,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.00/5.61 [2019-03-28 12:48:51,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.00/5.61 [2019-03-28 12:48:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.00/5.61 [2019-03-28 12:48:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.00/5.61 [2019-03-28 12:48:51,617 INFO L469 BasicCegarLoop]: Counterexample might be feasible 12.00/5.61 [2019-03-28 12:48:51,636 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 12.00/5.61 [2019-03-28 12:48:51,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:48:51 BasicIcfg 12.00/5.61 [2019-03-28 12:48:51,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.00/5.61 [2019-03-28 12:48:51,640 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.00/5.61 [2019-03-28 12:48:51,640 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.00/5.61 [2019-03-28 12:48:51,643 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.00/5.61 [2019-03-28 12:48:51,643 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.00/5.61 [2019-03-28 12:48:51,644 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.00/5.61 [2019-03-28 12:48:51,644 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.00/5.61 [2019-03-28 12:48:51,644 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.00/5.61 [2019-03-28 12:48:51,644 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.00/5.61 [2019-03-28 12:48:51,644 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.00/5.61 [2019-03-28 12:48:51,645 INFO L168 Benchmark]: Toolchain (without parser) took 1026.20 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 565.0 MB in the beginning and 595.8 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,647 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.61 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 565.0 MB in the beginning and 642.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.90 ms. Allocated memory is still 675.3 MB. Free memory was 642.8 MB in the beginning and 639.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,649 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 ms. Allocated memory is still 675.3 MB. Free memory was 639.7 MB in the beginning and 638.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,650 INFO L168 Benchmark]: RCFGBuilder took 277.16 ms. Allocated memory is still 675.3 MB. Free memory was 638.3 MB in the beginning and 618.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,650 INFO L168 Benchmark]: BlockEncodingV2 took 106.66 ms. Allocated memory is still 675.3 MB. Free memory was 618.8 MB in the beginning and 610.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,651 INFO L168 Benchmark]: TraceAbstraction took 260.15 ms. Allocated memory is still 675.3 MB. Free memory was 610.7 MB in the beginning and 597.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,652 INFO L168 Benchmark]: BuchiAutomizer took 4.46 ms. Allocated memory is still 675.3 MB. Free memory was 597.2 MB in the beginning and 595.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.00/5.61 [2019-03-28 12:48:51,656 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.00/5.61 --- Results --- 12.00/5.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.00/5.61 - StatisticsResult: Initial Icfg 12.00/5.61 25 locations, 29 edges 12.00/5.61 - StatisticsResult: Encoded RCFG 12.00/5.61 19 locations, 33 edges 12.00/5.61 * Results from de.uni_freiburg.informatik.ultimate.core: 12.00/5.61 - StatisticsResult: Toolchain Benchmarks 12.00/5.61 Benchmark results are: 12.00/5.61 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.00/5.61 * CACSL2BoogieTranslator took 305.61 ms. Allocated memory was 649.6 MB in the beginning and 675.3 MB in the end (delta: 25.7 MB). Free memory was 565.0 MB in the beginning and 642.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 50.3 GB. 12.00/5.61 * Boogie Procedure Inliner took 40.90 ms. Allocated memory is still 675.3 MB. Free memory was 642.8 MB in the beginning and 639.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.00/5.61 * Boogie Preprocessor took 25.94 ms. Allocated memory is still 675.3 MB. Free memory was 639.7 MB in the beginning and 638.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.00/5.61 * RCFGBuilder took 277.16 ms. Allocated memory is still 675.3 MB. Free memory was 638.3 MB in the beginning and 618.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 50.3 GB. 12.00/5.61 * BlockEncodingV2 took 106.66 ms. Allocated memory is still 675.3 MB. Free memory was 618.8 MB in the beginning and 610.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.00/5.61 * TraceAbstraction took 260.15 ms. Allocated memory is still 675.3 MB. Free memory was 610.7 MB in the beginning and 597.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.00/5.61 * BuchiAutomizer took 4.46 ms. Allocated memory is still 675.3 MB. Free memory was 597.2 MB in the beginning and 595.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.00/5.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.00/5.61 - CounterExampleResult [Line: 12]: comparison of incompatible pointers 12.00/5.61 comparison of incompatible pointers 12.00/5.61 We found a FailurePath: 12.00/5.61 [L6] int length1 = __VERIFIER_nondet_int(); 12.00/5.61 [L7] COND FALSE !(length1 < 1) 12.00/5.61 [L10] char* x = (char*) alloca(length1 * sizeof(char)); 12.00/5.61 [L11] char *y; 12.00/5.61 [L12] x <= y 12.00/5.61 12.00/5.61 - StatisticsResult: Ultimate Automizer benchmark data 12.00/5.61 CFG has 1 procedures, 19 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=19occurred 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 12.00/5.61 RESULT: Ultimate proved your program to be incorrect! 12.00/5.61 !SESSION 2019-03-28 12:48:47.290 ----------------------------------------------- 12.00/5.61 eclipse.buildId=unknown 12.00/5.61 java.version=1.8.0_181 12.00/5.61 java.vendor=Oracle Corporation 12.00/5.61 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.00/5.61 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.00/5.61 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 12.00/5.61 12.00/5.61 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:48:51.888 12.00/5.61 !MESSAGE The workspace will exit with unsaved changes in this session. 12.00/5.61 Received shutdown request... 12.00/5.61 Ultimate: 12.00/5.61 GTK+ Version Check 12.00/5.61 EOF