14.68/6.68 MAYBE 14.68/6.68 14.68/6.68 Ultimate: Cannot open display: 14.68/6.68 This is Ultimate 0.1.24-8dc7c08-m 14.68/6.68 [2019-03-28 12:49:45,908 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.68/6.68 [2019-03-28 12:49:45,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.68/6.68 [2019-03-28 12:49:45,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.68/6.68 [2019-03-28 12:49:45,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.68/6.68 [2019-03-28 12:49:45,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.68/6.68 [2019-03-28 12:49:45,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.68/6.68 [2019-03-28 12:49:45,928 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.68/6.68 [2019-03-28 12:49:45,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.68/6.68 [2019-03-28 12:49:45,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.68/6.68 [2019-03-28 12:49:45,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.68/6.68 [2019-03-28 12:49:45,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.68/6.68 [2019-03-28 12:49:45,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.68/6.68 [2019-03-28 12:49:45,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.68/6.68 [2019-03-28 12:49:45,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.68/6.68 [2019-03-28 12:49:45,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.68/6.68 [2019-03-28 12:49:45,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.68/6.68 [2019-03-28 12:49:45,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.68/6.68 [2019-03-28 12:49:45,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.68/6.68 [2019-03-28 12:49:45,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.68/6.68 [2019-03-28 12:49:45,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,943 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.68/6.68 [2019-03-28 12:49:45,944 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.68/6.68 [2019-03-28 12:49:45,944 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.68/6.68 [2019-03-28 12:49:45,945 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,946 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.68/6.68 [2019-03-28 12:49:45,946 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.68/6.68 [2019-03-28 12:49:45,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.68/6.68 [2019-03-28 12:49:45,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.68/6.68 [2019-03-28 12:49:45,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.68/6.68 [2019-03-28 12:49:45,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,950 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.68/6.68 [2019-03-28 12:49:45,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.68/6.68 [2019-03-28 12:49:45,951 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.68/6.68 [2019-03-28 12:49:45,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.68/6.68 [2019-03-28 12:49:45,952 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.68/6.68 [2019-03-28 12:49:45,966 INFO L110 SettingsManager]: Loading preferences was successful 14.68/6.68 [2019-03-28 12:49:45,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.68/6.68 [2019-03-28 12:49:45,967 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.68/6.68 [2019-03-28 12:49:45,967 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.68/6.68 [2019-03-28 12:49:45,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.68/6.68 [2019-03-28 12:49:45,968 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.68/6.68 [2019-03-28 12:49:45,968 INFO L133 SettingsManager]: * Use SBE=true 14.68/6.68 [2019-03-28 12:49:45,968 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.68/6.68 [2019-03-28 12:49:45,968 INFO L133 SettingsManager]: * Use old map elimination=false 14.68/6.68 [2019-03-28 12:49:45,968 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.68/6.68 [2019-03-28 12:49:45,969 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.68/6.68 [2019-03-28 12:49:45,969 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.68/6.68 [2019-03-28 12:49:45,969 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.68/6.68 [2019-03-28 12:49:45,969 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.68/6.68 [2019-03-28 12:49:45,969 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.68/6.68 [2019-03-28 12:49:45,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.68/6.68 [2019-03-28 12:49:45,970 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.68/6.68 [2019-03-28 12:49:45,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.68/6.68 [2019-03-28 12:49:45,970 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.68/6.68 [2019-03-28 12:49:45,970 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.68/6.68 [2019-03-28 12:49:45,970 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.68/6.68 [2019-03-28 12:49:45,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.68/6.68 [2019-03-28 12:49:45,971 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.68/6.68 [2019-03-28 12:49:45,971 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.68/6.68 [2019-03-28 12:49:45,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.68/6.68 [2019-03-28 12:49:45,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.68/6.68 [2019-03-28 12:49:45,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.68/6.68 [2019-03-28 12:49:45,972 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.68/6.68 [2019-03-28 12:49:45,972 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.68/6.68 [2019-03-28 12:49:45,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.68/6.68 [2019-03-28 12:49:46,010 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.68/6.68 [2019-03-28 12:49:46,014 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.68/6.68 [2019-03-28 12:49:46,015 INFO L271 PluginConnector]: Initializing CDTParser... 14.68/6.68 [2019-03-28 12:49:46,016 INFO L276 PluginConnector]: CDTParser initialized 14.68/6.68 [2019-03-28 12:49:46,016 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.68/6.68 [2019-03-28 12:49:46,102 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d4160066301b4d20b1f8ed7ea9d3f4e8/FLAGa54535761 14.68/6.68 [2019-03-28 12:49:46,449 INFO L307 CDTParser]: Found 1 translation units. 14.68/6.68 [2019-03-28 12:49:46,450 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.68/6.68 [2019-03-28 12:49:46,450 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 14.68/6.68 [2019-03-28 12:49:46,457 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d4160066301b4d20b1f8ed7ea9d3f4e8/FLAGa54535761 14.68/6.68 [2019-03-28 12:49:46,846 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d4160066301b4d20b1f8ed7ea9d3f4e8 14.68/6.68 [2019-03-28 12:49:46,858 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.68/6.68 [2019-03-28 12:49:46,859 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.68/6.68 [2019-03-28 12:49:46,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.68/6.68 [2019-03-28 12:49:46,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.68/6.68 [2019-03-28 12:49:46,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.68/6.68 [2019-03-28 12:49:46,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:46" (1/1) ... 14.68/6.68 [2019-03-28 12:49:46,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63da48b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:46, skipping insertion in model container 14.68/6.68 [2019-03-28 12:49:46,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:46" (1/1) ... 14.68/6.68 [2019-03-28 12:49:46,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.68/6.68 [2019-03-28 12:49:46,896 INFO L176 MainTranslator]: Built tables and reachable declarations 14.68/6.68 [2019-03-28 12:49:47,071 INFO L206 PostProcessor]: Analyzing one entry point: main 14.68/6.68 [2019-03-28 12:49:47,084 INFO L191 MainTranslator]: Completed pre-run 14.68/6.68 [2019-03-28 12:49:47,164 INFO L206 PostProcessor]: Analyzing one entry point: main 14.68/6.68 [2019-03-28 12:49:47,180 INFO L195 MainTranslator]: Completed translation 14.68/6.68 [2019-03-28 12:49:47,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47 WrapperNode 14.68/6.68 [2019-03-28 12:49:47,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.68/6.68 [2019-03-28 12:49:47,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.68/6.68 [2019-03-28 12:49:47,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.68/6.68 [2019-03-28 12:49:47,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.68/6.68 [2019-03-28 12:49:47,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.68/6.68 [2019-03-28 12:49:47,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.68/6.68 [2019-03-28 12:49:47,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.68/6.68 [2019-03-28 12:49:47,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.68/6.68 [2019-03-28 12:49:47,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.68/6.68 [2019-03-28 12:49:47,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.68/6.68 [2019-03-28 12:49:47,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.68/6.68 [2019-03-28 12:49:47,250 INFO L276 PluginConnector]: RCFGBuilder initialized 14.68/6.68 [2019-03-28 12:49:47,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (1/1) ... 14.68/6.68 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.68/6.68 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.68/6.68 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.68/6.68 [2019-03-28 12:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 14.68/6.68 [2019-03-28 12:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap 14.68/6.68 [2019-03-28 12:49:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.68/6.68 [2019-03-28 12:49:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.68/6.68 [2019-03-28 12:49:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 14.68/6.68 [2019-03-28 12:49:47,515 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.68/6.68 [2019-03-28 12:49:47,515 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. 14.68/6.68 [2019-03-28 12:49:47,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:47 BoogieIcfgContainer 14.68/6.68 [2019-03-28 12:49:47,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.68/6.68 [2019-03-28 12:49:47,517 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.68/6.68 [2019-03-28 12:49:47,517 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.68/6.68 [2019-03-28 12:49:47,520 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.68/6.68 [2019-03-28 12:49:47,520 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:47" (1/1) ... 14.68/6.68 [2019-03-28 12:49:47,536 INFO L313 BlockEncoder]: Initial Icfg 19 locations, 21 edges 14.68/6.68 [2019-03-28 12:49:47,538 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.68/6.68 [2019-03-28 12:49:47,539 INFO L263 BlockEncoder]: Using Maximize final states 14.68/6.68 [2019-03-28 12:49:47,539 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.68/6.68 [2019-03-28 12:49:47,540 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.68/6.68 [2019-03-28 12:49:47,541 INFO L296 BlockEncoder]: Using Remove sink states 14.68/6.68 [2019-03-28 12:49:47,542 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.68/6.68 [2019-03-28 12:49:47,542 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.68/6.68 [2019-03-28 12:49:47,568 INFO L185 BlockEncoder]: Using Use SBE 14.68/6.68 [2019-03-28 12:49:47,597 INFO L200 BlockEncoder]: SBE split 8 edges 14.68/6.68 [2019-03-28 12:49:47,604 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.68/6.68 [2019-03-28 12:49:47,606 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.68/6.68 [2019-03-28 12:49:47,629 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 14.68/6.68 [2019-03-28 12:49:47,632 INFO L70 RemoveSinkStates]: Removed 9 edges and 2 locations by removing sink states 14.68/6.68 [2019-03-28 12:49:47,633 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.68/6.68 [2019-03-28 12:49:47,633 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.68/6.68 [2019-03-28 12:49:47,634 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.68/6.68 [2019-03-28 12:49:47,634 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.68/6.68 [2019-03-28 12:49:47,635 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 20 edges 14.68/6.68 [2019-03-28 12:49:47,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:47 BasicIcfg 14.68/6.68 [2019-03-28 12:49:47,635 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.68/6.68 [2019-03-28 12:49:47,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.68/6.68 [2019-03-28 12:49:47,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.68/6.68 [2019-03-28 12:49:47,640 INFO L276 PluginConnector]: TraceAbstraction initialized 14.68/6.68 [2019-03-28 12:49:47,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:49:46" (1/4) ... 14.68/6.68 [2019-03-28 12:49:47,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505108c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:47, skipping insertion in model container 14.68/6.68 [2019-03-28 12:49:47,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:47" (2/4) ... 14.68/6.68 [2019-03-28 12:49:47,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505108c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:47, skipping insertion in model container 14.68/6.68 [2019-03-28 12:49:47,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:47" (3/4) ... 14.68/6.68 [2019-03-28 12:49:47,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505108c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:47, skipping insertion in model container 14.68/6.68 [2019-03-28 12:49:47,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:47" (4/4) ... 14.68/6.68 [2019-03-28 12:49:47,644 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.68/6.68 [2019-03-28 12:49:47,654 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.68/6.68 [2019-03-28 12:49:47,662 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. 14.68/6.68 [2019-03-28 12:49:47,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. 14.68/6.68 [2019-03-28 12:49:47,709 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.68/6.68 [2019-03-28 12:49:47,710 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.68/6.68 [2019-03-28 12:49:47,710 INFO L383 AbstractCegarLoop]: Hoare is true 14.68/6.68 [2019-03-28 12:49:47,710 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.68/6.68 [2019-03-28 12:49:47,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.68/6.68 [2019-03-28 12:49:47,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.68/6.68 [2019-03-28 12:49:47,710 INFO L387 AbstractCegarLoop]: Difference is false 14.68/6.68 [2019-03-28 12:49:47,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.68/6.68 [2019-03-28 12:49:47,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.68/6.68 [2019-03-28 12:49:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. 14.68/6.68 [2019-03-28 12:49:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 14.68/6.68 [2019-03-28 12:49:47,731 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:47,732 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:47,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:47,740 INFO L82 PathProgramCache]: Analyzing trace with hash 3653978, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:47,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:47,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:47,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:47,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:47,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:47,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:47,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.68/6.68 [2019-03-28 12:49:47,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.68/6.68 [2019-03-28 12:49:47,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.68/6.68 [2019-03-28 12:49:47,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:47,930 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. 14.68/6.68 [2019-03-28 12:49:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,010 INFO L93 Difference]: Finished difference Result 12 states and 20 transitions. 14.68/6.68 [2019-03-28 12:49:48,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,024 INFO L225 Difference]: With dead ends: 12 14.68/6.68 [2019-03-28 12:49:48,024 INFO L226 Difference]: Without dead ends: 11 14.68/6.68 [2019-03-28 12:49:48,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. 14.68/6.68 [2019-03-28 12:49:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 14.68/6.68 [2019-03-28 12:49:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 14.68/6.68 [2019-03-28 12:49:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 18 transitions. 14.68/6.68 [2019-03-28 12:49:48,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 18 transitions. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,063 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,063 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 18 transitions. 14.68/6.68 [2019-03-28 12:49:48,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. 14.68/6.68 [2019-03-28 12:49:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 14.68/6.68 [2019-03-28 12:49:48,064 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,064 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,065 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,065 INFO L82 PathProgramCache]: Analyzing trace with hash 3653980, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 14.68/6.68 [2019-03-28 12:49:48,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states 14.68/6.68 [2019-03-28 12:49:48,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 14.68/6.68 [2019-03-28 12:49:48,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 14.68/6.68 [2019-03-28 12:49:48,104 INFO L87 Difference]: Start difference. First operand 11 states and 18 transitions. Second operand 4 states. 14.68/6.68 [2019-03-28 12:49:48,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,140 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. 14.68/6.68 [2019-03-28 12:49:48,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 14.68/6.68 [2019-03-28 12:49:48,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,141 INFO L225 Difference]: With dead ends: 12 14.68/6.68 [2019-03-28 12:49:48,142 INFO L226 Difference]: Without dead ends: 11 14.68/6.68 [2019-03-28 12:49:48,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 14.68/6.68 [2019-03-28 12:49:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. 14.68/6.68 [2019-03-28 12:49:48,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 14.68/6.68 [2019-03-28 12:49:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 14.68/6.68 [2019-03-28 12:49:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 14.68/6.68 [2019-03-28 12:49:48,146 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 17 transitions. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,146 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,146 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 17 transitions. 14.68/6.68 [2019-03-28 12:49:48,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. 14.68/6.68 [2019-03-28 12:49:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. 14.68/6.68 [2019-03-28 12:49:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 14.68/6.68 [2019-03-28 12:49:48,147 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,147 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,147 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,148 INFO L82 PathProgramCache]: Analyzing trace with hash 3653981, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.68/6.68 [2019-03-28 12:49:48,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.68/6.68 [2019-03-28 12:49:48,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.68/6.68 [2019-03-28 12:49:48,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,177 INFO L87 Difference]: Start difference. First operand 11 states and 17 transitions. Second operand 3 states. 14.68/6.68 [2019-03-28 12:49:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,216 INFO L93 Difference]: Finished difference Result 11 states and 17 transitions. 14.68/6.68 [2019-03-28 12:49:48,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,217 INFO L225 Difference]: With dead ends: 11 14.68/6.68 [2019-03-28 12:49:48,217 INFO L226 Difference]: Without dead ends: 10 14.68/6.68 [2019-03-28 12:49:48,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. 14.68/6.68 [2019-03-28 12:49:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 14.68/6.68 [2019-03-28 12:49:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.68/6.68 [2019-03-28 12:49:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 16 transitions. Word has length 4 14.68/6.68 [2019-03-28 12:49:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,221 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 14.68/6.68 [2019-03-28 12:49:48,222 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,222 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,223 INFO L82 PathProgramCache]: Analyzing trace with hash 113274074, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.68/6.68 [2019-03-28 12:49:48,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.68/6.68 [2019-03-28 12:49:48,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.68/6.68 [2019-03-28 12:49:48,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,258 INFO L87 Difference]: Start difference. First operand 10 states and 16 transitions. Second operand 3 states. 14.68/6.68 [2019-03-28 12:49:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,292 INFO L93 Difference]: Finished difference Result 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,293 INFO L225 Difference]: With dead ends: 10 14.68/6.68 [2019-03-28 12:49:48,293 INFO L226 Difference]: Without dead ends: 9 14.68/6.68 [2019-03-28 12:49:48,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. 14.68/6.68 [2019-03-28 12:49:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. 14.68/6.68 [2019-03-28 12:49:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 14.68/6.68 [2019-03-28 12:49:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 14 transitions. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,297 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 14.68/6.68 [2019-03-28 12:49:48,297 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,298 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,298 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,298 INFO L82 PathProgramCache]: Analyzing trace with hash 113274076, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 14.68/6.68 [2019-03-28 12:49:48,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states 14.68/6.68 [2019-03-28 12:49:48,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 14.68/6.68 [2019-03-28 12:49:48,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 14.68/6.68 [2019-03-28 12:49:48,333 INFO L87 Difference]: Start difference. First operand 9 states and 14 transitions. Second operand 4 states. 14.68/6.68 [2019-03-28 12:49:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,377 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. 14.68/6.68 [2019-03-28 12:49:48,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 14.68/6.68 [2019-03-28 12:49:48,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,380 INFO L225 Difference]: With dead ends: 15 14.68/6.68 [2019-03-28 12:49:48,380 INFO L226 Difference]: Without dead ends: 14 14.68/6.68 [2019-03-28 12:49:48,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 14.68/6.68 [2019-03-28 12:49:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. 14.68/6.68 [2019-03-28 12:49:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 10. 14.68/6.68 [2019-03-28 12:49:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.68/6.68 [2019-03-28 12:49:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 16 transitions. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,386 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,386 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. 14.68/6.68 [2019-03-28 12:49:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. 14.68/6.68 [2019-03-28 12:49:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 14.68/6.68 [2019-03-28 12:49:48,387 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,387 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,388 INFO L82 PathProgramCache]: Analyzing trace with hash 113274077, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 14.68/6.68 [2019-03-28 12:49:48,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states 14.68/6.68 [2019-03-28 12:49:48,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 14.68/6.68 [2019-03-28 12:49:48,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 14.68/6.68 [2019-03-28 12:49:48,448 INFO L87 Difference]: Start difference. First operand 10 states and 16 transitions. Second operand 5 states. 14.68/6.68 [2019-03-28 12:49:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,516 INFO L93 Difference]: Finished difference Result 14 states and 21 transitions. 14.68/6.68 [2019-03-28 12:49:48,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 14.68/6.68 [2019-03-28 12:49:48,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,518 INFO L225 Difference]: With dead ends: 14 14.68/6.68 [2019-03-28 12:49:48,518 INFO L226 Difference]: Without dead ends: 13 14.68/6.68 [2019-03-28 12:49:48,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 14.68/6.68 [2019-03-28 12:49:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. 14.68/6.68 [2019-03-28 12:49:48,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. 14.68/6.68 [2019-03-28 12:49:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.68/6.68 [2019-03-28 12:49:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 14.68/6.68 [2019-03-28 12:49:48,522 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 15 transitions. Word has length 5 14.68/6.68 [2019-03-28 12:49:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,522 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 15 transitions. 14.68/6.68 [2019-03-28 12:49:48,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. 14.68/6.68 [2019-03-28 12:49:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. 14.68/6.68 [2019-03-28 12:49:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.68/6.68 [2019-03-28 12:49:48,523 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,523 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1482188220, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 14.68/6.68 [2019-03-28 12:49:48,571 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 14.68/6.68 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.68/6.68 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 14.68/6.68 Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 14.68/6.68 [2019-03-28 12:49:48,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core 14.68/6.68 [2019-03-28 12:49:48,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.68/6.68 [2019-03-28 12:49:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 14.68/6.68 [2019-03-28 12:49:48,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states 14.68/6.68 [2019-03-28 12:49:48,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 14.68/6.68 [2019-03-28 12:49:48,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 14.68/6.68 [2019-03-28 12:49:48,665 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. Second operand 6 states. 14.68/6.68 [2019-03-28 12:49:48,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,721 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. 14.68/6.68 [2019-03-28 12:49:48,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 14.68/6.68 [2019-03-28 12:49:48,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,722 INFO L225 Difference]: With dead ends: 14 14.68/6.68 [2019-03-28 12:49:48,723 INFO L226 Difference]: Without dead ends: 13 14.68/6.68 [2019-03-28 12:49:48,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 14.68/6.68 [2019-03-28 12:49:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. 14.68/6.68 [2019-03-28 12:49:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. 14.68/6.68 [2019-03-28 12:49:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.68/6.68 [2019-03-28 12:49:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,726 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 14 transitions. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,726 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,726 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. 14.68/6.68 [2019-03-28 12:49:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. 14.68/6.68 [2019-03-28 12:49:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.68/6.68 [2019-03-28 12:49:48,727 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,728 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1482188221, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 14.68/6.68 [2019-03-28 12:49:48,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states 14.68/6.68 [2019-03-28 12:49:48,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 14.68/6.68 [2019-03-28 12:49:48,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 14.68/6.68 [2019-03-28 12:49:48,820 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. Second operand 6 states. 14.68/6.68 [2019-03-28 12:49:48,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,909 INFO L93 Difference]: Finished difference Result 21 states and 30 transitions. 14.68/6.68 [2019-03-28 12:49:48,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 14.68/6.68 [2019-03-28 12:49:48,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,910 INFO L225 Difference]: With dead ends: 21 14.68/6.68 [2019-03-28 12:49:48,910 INFO L226 Difference]: Without dead ends: 16 14.68/6.68 [2019-03-28 12:49:48,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 14.68/6.68 [2019-03-28 12:49:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. 14.68/6.68 [2019-03-28 12:49:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. 14.68/6.68 [2019-03-28 12:49:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 14.68/6.68 [2019-03-28 12:49:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. 14.68/6.68 [2019-03-28 12:49:48,915 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,915 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. 14.68/6.68 [2019-03-28 12:49:48,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. 14.68/6.68 [2019-03-28 12:49:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. 14.68/6.68 [2019-03-28 12:49:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.68/6.68 [2019-03-28 12:49:48,916 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,916 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1482186796, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.68/6.68 [2019-03-28 12:49:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.68/6.68 [2019-03-28 12:49:48,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.68/6.68 [2019-03-28 12:49:48,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 14.68/6.68 [2019-03-28 12:49:48,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 14.68/6.68 [2019-03-28 12:49:48,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.68/6.68 [2019-03-28 12:49:48,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,944 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand 3 states. 14.68/6.68 [2019-03-28 12:49:48,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.68/6.68 [2019-03-28 12:49:48,961 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. 14.68/6.68 [2019-03-28 12:49:48,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 14.68/6.68 [2019-03-28 12:49:48,962 INFO L225 Difference]: With dead ends: 14 14.68/6.68 [2019-03-28 12:49:48,963 INFO L226 Difference]: Without dead ends: 8 14.68/6.68 [2019-03-28 12:49:48,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.68/6.68 [2019-03-28 12:49:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. 14.68/6.68 [2019-03-28 12:49:48,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. 14.68/6.68 [2019-03-28 12:49:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 14.68/6.68 [2019-03-28 12:49:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. 14.68/6.68 [2019-03-28 12:49:48,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 7 14.68/6.68 [2019-03-28 12:49:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. 14.68/6.68 [2019-03-28 12:49:48,966 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. 14.68/6.68 [2019-03-28 12:49:48,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 14.68/6.68 [2019-03-28 12:49:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. 14.68/6.68 [2019-03-28 12:49:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 14.68/6.68 [2019-03-28 12:49:48,967 INFO L394 BasicCegarLoop]: Found error trace 14.68/6.68 [2019-03-28 12:49:48,967 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] 14.68/6.68 [2019-03-28 12:49:48,968 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONILLEGAL_POINTER_ARITHMETIC, ULTIMATE.startErr3REQUIRES_VIOLATION]=== 14.68/6.68 [2019-03-28 12:49:48,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.68/6.68 [2019-03-28 12:49:48,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1768479731, now seen corresponding path program 1 times 14.68/6.68 [2019-03-28 12:49:48,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.68/6.68 [2019-03-28 12:49:48,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.68/6.68 [2019-03-28 12:49:48,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.68/6.68 [2019-03-28 12:49:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.68/6.68 [2019-03-28 12:49:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.68/6.68 [2019-03-28 12:49:49,015 INFO L469 BasicCegarLoop]: Counterexample might be feasible 14.68/6.68 [2019-03-28 12:49:49,041 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 14.68/6.68 [2019-03-28 12:49:49,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:49 BasicIcfg 14.68/6.68 [2019-03-28 12:49:49,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.68/6.68 [2019-03-28 12:49:49,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.68/6.68 [2019-03-28 12:49:49,045 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.68/6.68 [2019-03-28 12:49:49,048 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.68/6.68 [2019-03-28 12:49:49,049 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.68/6.68 [2019-03-28 12:49:49,049 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.68/6.68 [2019-03-28 12:49:49,049 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.68/6.68 [2019-03-28 12:49:49,049 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.68/6.68 [2019-03-28 12:49:49,049 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 14.68/6.68 [2019-03-28 12:49:49,049 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.68/6.68 [2019-03-28 12:49:49,050 INFO L168 Benchmark]: Toolchain (without parser) took 2191.54 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.9 MB in the beginning and 476.4 MB in the end (delta: 87.5 MB). Peak memory consumption was 121.0 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,052 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.56 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.9 MB in the beginning and 649.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 683.1 MB. Free memory was 649.4 MB in the beginning and 646.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,054 INFO L168 Benchmark]: Boogie Preprocessor took 26.84 ms. Allocated memory is still 683.1 MB. Free memory was 646.3 MB in the beginning and 645.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,055 INFO L168 Benchmark]: RCFGBuilder took 267.73 ms. Allocated memory is still 683.1 MB. Free memory was 645.0 MB in the beginning and 625.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,055 INFO L168 Benchmark]: BlockEncodingV2 took 118.06 ms. Allocated memory is still 683.1 MB. Free memory was 625.5 MB in the beginning and 617.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,056 INFO L168 Benchmark]: TraceAbstraction took 1408.06 ms. Allocated memory is still 683.1 MB. Free memory was 617.4 MB in the beginning and 477.8 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,056 INFO L168 Benchmark]: BuchiAutomizer took 4.66 ms. Allocated memory is still 683.1 MB. Free memory was 477.8 MB in the beginning and 476.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 14.68/6.68 [2019-03-28 12:49:49,060 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.68/6.68 --- Results --- 14.68/6.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.68/6.68 - StatisticsResult: Initial Icfg 14.68/6.68 19 locations, 21 edges 14.68/6.68 - StatisticsResult: Encoded RCFG 14.68/6.68 12 locations, 20 edges 14.68/6.68 * Results from de.uni_freiburg.informatik.ultimate.core: 14.68/6.68 - StatisticsResult: Toolchain Benchmarks 14.68/6.68 Benchmark results are: 14.68/6.68 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.68/6.68 * CACSL2BoogieTranslator took 320.56 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.9 MB in the beginning and 649.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 50.3 GB. 14.68/6.68 * Boogie Procedure Inliner took 40.16 ms. Allocated memory is still 683.1 MB. Free memory was 649.4 MB in the beginning and 646.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.68/6.68 * Boogie Preprocessor took 26.84 ms. Allocated memory is still 683.1 MB. Free memory was 646.3 MB in the beginning and 645.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.68/6.68 * RCFGBuilder took 267.73 ms. Allocated memory is still 683.1 MB. Free memory was 645.0 MB in the beginning and 625.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 50.3 GB. 14.68/6.68 * BlockEncodingV2 took 118.06 ms. Allocated memory is still 683.1 MB. Free memory was 625.5 MB in the beginning and 617.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.68/6.68 * TraceAbstraction took 1408.06 ms. Allocated memory is still 683.1 MB. Free memory was 617.4 MB in the beginning and 477.8 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 50.3 GB. 14.68/6.68 * BuchiAutomizer took 4.66 ms. Allocated memory is still 683.1 MB. Free memory was 477.8 MB in the beginning and 476.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 14.68/6.68 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.68/6.68 - CounterExampleResult [Line: 28]: pointer dereference may fail 14.68/6.68 pointer dereference may fail 14.68/6.68 We found a FailurePath: 14.68/6.68 [L11] int length = __VERIFIER_nondet_int(); 14.68/6.68 [L12] COND FALSE !(length < 1) 14.68/6.68 [L15] char* nondetString = (char*) malloc(length * sizeof(char)); 14.68/6.68 [L16] nondetString[length-1] = '\0' 14.68/6.68 [L17] return nondetString; 14.68/6.68 [L26] const char *p = s; 14.68/6.68 [L28] EXPR \read(*p) 14.68/6.68 [L28] COND TRUE *p != '\0' 14.68/6.68 [L29] p = p+2 14.68/6.68 [L28] \read(*p) 14.68/6.68 14.68/6.68 - StatisticsResult: Ultimate Automizer benchmark data 14.68/6.68 CFG has 1 procedures, 12 locations, 5 error locations. UNSAFE Result, 1.3s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 133 SDslu, 51 SDs, 0 SdLazy, 196 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=8, 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: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 14.68/6.68 RESULT: Ultimate proved your program to be incorrect! 14.68/6.68 !SESSION 2019-03-28 12:49:43.567 ----------------------------------------------- 14.68/6.68 eclipse.buildId=unknown 14.68/6.68 java.version=1.8.0_181 14.68/6.68 java.vendor=Oracle Corporation 14.68/6.68 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.68/6.68 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.68/6.68 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 14.68/6.68 14.68/6.68 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:49:49.292 14.68/6.68 !MESSAGE The workspace will exit with unsaved changes in this session. 14.68/6.68 Received shutdown request... 14.68/6.68 Ultimate: 14.68/6.68 GTK+ Version Check 14.68/6.68 EOF