12.56/6.06 MAYBE 12.56/6.06 12.56/6.06 Ultimate: Cannot open display: 12.56/6.06 This is Ultimate 0.1.24-8dc7c08-m 12.56/6.06 [2019-03-28 12:49:17,177 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.56/6.06 [2019-03-28 12:49:17,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.56/6.06 [2019-03-28 12:49:17,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.56/6.06 [2019-03-28 12:49:17,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.56/6.06 [2019-03-28 12:49:17,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.56/6.06 [2019-03-28 12:49:17,195 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.56/6.06 [2019-03-28 12:49:17,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.56/6.06 [2019-03-28 12:49:17,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.56/6.06 [2019-03-28 12:49:17,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.56/6.06 [2019-03-28 12:49:17,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.56/6.06 [2019-03-28 12:49:17,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.56/6.06 [2019-03-28 12:49:17,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.56/6.06 [2019-03-28 12:49:17,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.56/6.06 [2019-03-28 12:49:17,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.56/6.06 [2019-03-28 12:49:17,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.56/6.06 [2019-03-28 12:49:17,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.56/6.06 [2019-03-28 12:49:17,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.56/6.06 [2019-03-28 12:49:17,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.56/6.06 [2019-03-28 12:49:17,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.56/6.06 [2019-03-28 12:49:17,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.56/6.06 [2019-03-28 12:49:17,214 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.56/6.06 [2019-03-28 12:49:17,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.56/6.06 [2019-03-28 12:49:17,215 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.56/6.06 [2019-03-28 12:49:17,216 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.56/6.06 [2019-03-28 12:49:17,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.56/6.06 [2019-03-28 12:49:17,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.56/6.06 [2019-03-28 12:49:17,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.56/6.06 [2019-03-28 12:49:17,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.56/6.06 [2019-03-28 12:49:17,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.56/6.06 [2019-03-28 12:49:17,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.56/6.06 [2019-03-28 12:49:17,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.56/6.06 [2019-03-28 12:49:17,221 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.56/6.06 [2019-03-28 12:49:17,236 INFO L110 SettingsManager]: Loading preferences was successful 12.56/6.06 [2019-03-28 12:49:17,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.56/6.06 [2019-03-28 12:49:17,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.56/6.06 [2019-03-28 12:49:17,237 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.56/6.06 [2019-03-28 12:49:17,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.56/6.06 [2019-03-28 12:49:17,237 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.56/6.06 [2019-03-28 12:49:17,238 INFO L133 SettingsManager]: * Use SBE=true 12.56/6.06 [2019-03-28 12:49:17,238 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.56/6.06 [2019-03-28 12:49:17,238 INFO L133 SettingsManager]: * Use old map elimination=false 12.56/6.06 [2019-03-28 12:49:17,238 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.56/6.06 [2019-03-28 12:49:17,238 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.56/6.06 [2019-03-28 12:49:17,239 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.56/6.06 [2019-03-28 12:49:17,239 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.56/6.06 [2019-03-28 12:49:17,239 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.56/6.06 [2019-03-28 12:49:17,239 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.56/6.06 [2019-03-28 12:49:17,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.56/6.06 [2019-03-28 12:49:17,239 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.56/6.06 [2019-03-28 12:49:17,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.56/6.06 [2019-03-28 12:49:17,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.56/6.06 [2019-03-28 12:49:17,240 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.56/6.06 [2019-03-28 12:49:17,240 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.56/6.06 [2019-03-28 12:49:17,240 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.56/6.06 [2019-03-28 12:49:17,240 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.56/6.06 [2019-03-28 12:49:17,241 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.56/6.06 [2019-03-28 12:49:17,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.56/6.06 [2019-03-28 12:49:17,241 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.56/6.06 [2019-03-28 12:49:17,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.56/6.06 [2019-03-28 12:49:17,241 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.56/6.06 [2019-03-28 12:49:17,242 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.56/6.06 [2019-03-28 12:49:17,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.56/6.06 [2019-03-28 12:49:17,282 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.56/6.06 [2019-03-28 12:49:17,285 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.56/6.06 [2019-03-28 12:49:17,287 INFO L271 PluginConnector]: Initializing CDTParser... 12.56/6.06 [2019-03-28 12:49:17,287 INFO L276 PluginConnector]: CDTParser initialized 12.56/6.06 [2019-03-28 12:49:17,288 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.56/6.06 [2019-03-28 12:49:17,348 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e1d3441658954da385ed349e4977553e/FLAG98c9660a4 12.56/6.06 [2019-03-28 12:49:17,695 INFO L307 CDTParser]: Found 1 translation units. 12.56/6.06 [2019-03-28 12:49:17,696 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.56/6.06 [2019-03-28 12:49:17,696 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. 12.56/6.06 [2019-03-28 12:49:17,703 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e1d3441658954da385ed349e4977553e/FLAG98c9660a4 12.56/6.06 [2019-03-28 12:49:18,115 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e1d3441658954da385ed349e4977553e 12.56/6.06 [2019-03-28 12:49:18,127 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.56/6.06 [2019-03-28 12:49:18,129 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.56/6.06 [2019-03-28 12:49:18,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.56/6.06 [2019-03-28 12:49:18,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.56/6.06 [2019-03-28 12:49:18,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.56/6.06 [2019-03-28 12:49:18,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388630f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18, skipping insertion in model container 12.56/6.06 [2019-03-28 12:49:18,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.56/6.06 [2019-03-28 12:49:18,163 INFO L176 MainTranslator]: Built tables and reachable declarations 12.56/6.06 [2019-03-28 12:49:18,325 INFO L206 PostProcessor]: Analyzing one entry point: main 12.56/6.06 [2019-03-28 12:49:18,337 INFO L191 MainTranslator]: Completed pre-run 12.56/6.06 [2019-03-28 12:49:18,410 INFO L206 PostProcessor]: Analyzing one entry point: main 12.56/6.06 [2019-03-28 12:49:18,426 INFO L195 MainTranslator]: Completed translation 12.56/6.06 [2019-03-28 12:49:18,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18 WrapperNode 12.56/6.06 [2019-03-28 12:49:18,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.56/6.06 [2019-03-28 12:49:18,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.56/6.06 [2019-03-28 12:49:18,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.56/6.06 [2019-03-28 12:49:18,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.56/6.06 [2019-03-28 12:49:18,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.56/6.06 [2019-03-28 12:49:18,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.56/6.06 [2019-03-28 12:49:18,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.56/6.06 [2019-03-28 12:49:18,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.56/6.06 [2019-03-28 12:49:18,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.56/6.06 [2019-03-28 12:49:18,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.56/6.06 [2019-03-28 12:49:18,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.56/6.06 [2019-03-28 12:49:18,494 INFO L276 PluginConnector]: RCFGBuilder initialized 12.56/6.06 [2019-03-28 12:49:18,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (1/1) ... 12.56/6.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.56/6.06 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.56/6.06 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.56/6.06 [2019-03-28 12:49:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int 12.56/6.06 [2019-03-28 12:49:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.56/6.06 [2019-03-28 12:49:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.56/6.06 [2019-03-28 12:49:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int 12.56/6.06 [2019-03-28 12:49:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack 12.56/6.06 [2019-03-28 12:49:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc 12.56/6.06 [2019-03-28 12:49:18,765 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.56/6.06 [2019-03-28 12:49:18,765 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.56/6.06 [2019-03-28 12:49:18,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18 BoogieIcfgContainer 12.56/6.06 [2019-03-28 12:49:18,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.56/6.06 [2019-03-28 12:49:18,767 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.56/6.06 [2019-03-28 12:49:18,767 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.56/6.06 [2019-03-28 12:49:18,770 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.56/6.06 [2019-03-28 12:49:18,770 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18" (1/1) ... 12.56/6.06 [2019-03-28 12:49:18,787 INFO L313 BlockEncoder]: Initial Icfg 26 locations, 29 edges 12.56/6.06 [2019-03-28 12:49:18,789 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.56/6.06 [2019-03-28 12:49:18,789 INFO L263 BlockEncoder]: Using Maximize final states 12.56/6.06 [2019-03-28 12:49:18,790 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.56/6.06 [2019-03-28 12:49:18,790 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.56/6.06 [2019-03-28 12:49:18,792 INFO L296 BlockEncoder]: Using Remove sink states 12.56/6.06 [2019-03-28 12:49:18,793 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.56/6.06 [2019-03-28 12:49:18,793 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.56/6.06 [2019-03-28 12:49:18,816 INFO L185 BlockEncoder]: Using Use SBE 12.56/6.06 [2019-03-28 12:49:18,846 INFO L200 BlockEncoder]: SBE split 13 edges 12.56/6.06 [2019-03-28 12:49:18,851 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.56/6.06 [2019-03-28 12:49:18,853 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.56/6.06 [2019-03-28 12:49:18,880 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 12.56/6.06 [2019-03-28 12:49:18,883 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.56/6.06 [2019-03-28 12:49:18,885 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.56/6.06 [2019-03-28 12:49:18,885 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.56/6.06 [2019-03-28 12:49:18,886 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.56/6.06 [2019-03-28 12:49:18,886 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.56/6.06 [2019-03-28 12:49:18,887 INFO L313 BlockEncoder]: Encoded RCFG 20 locations, 36 edges 12.56/6.06 [2019-03-28 12:49:18,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:18 BasicIcfg 12.56/6.06 [2019-03-28 12:49:18,887 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.56/6.06 [2019-03-28 12:49:18,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.56/6.06 [2019-03-28 12:49:18,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.56/6.06 [2019-03-28 12:49:18,892 INFO L276 PluginConnector]: TraceAbstraction initialized 12.56/6.06 [2019-03-28 12:49:18,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:49:18" (1/4) ... 12.56/6.06 [2019-03-28 12:49:18,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6735259c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:18, skipping insertion in model container 12.56/6.06 [2019-03-28 12:49:18,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:49:18" (2/4) ... 12.56/6.06 [2019-03-28 12:49:18,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6735259c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:49:18, skipping insertion in model container 12.56/6.06 [2019-03-28 12:49:18,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:49:18" (3/4) ... 12.56/6.06 [2019-03-28 12:49:18,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6735259c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:18, skipping insertion in model container 12.56/6.06 [2019-03-28 12:49:18,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:49:18" (4/4) ... 12.56/6.06 [2019-03-28 12:49:18,896 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.56/6.06 [2019-03-28 12:49:18,908 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.56/6.06 [2019-03-28 12:49:18,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. 12.56/6.06 [2019-03-28 12:49:18,934 INFO L257 AbstractCegarLoop]: Starting to check reachability of 10 error locations. 12.56/6.06 [2019-03-28 12:49:18,963 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.56/6.06 [2019-03-28 12:49:18,964 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.56/6.06 [2019-03-28 12:49:18,964 INFO L383 AbstractCegarLoop]: Hoare is true 12.56/6.06 [2019-03-28 12:49:18,964 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.56/6.06 [2019-03-28 12:49:18,964 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.56/6.06 [2019-03-28 12:49:18,964 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.56/6.06 [2019-03-28 12:49:18,965 INFO L387 AbstractCegarLoop]: Difference is false 12.56/6.06 [2019-03-28 12:49:18,965 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.56/6.06 [2019-03-28 12:49:18,965 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.56/6.06 [2019-03-28 12:49:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. 12.56/6.06 [2019-03-28 12:49:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 12.56/6.06 [2019-03-28 12:49:18,986 INFO L394 BasicCegarLoop]: Found error trace 12.56/6.06 [2019-03-28 12:49:18,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 12.56/6.06 [2019-03-28 12:49:18,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 12.56/6.06 [2019-03-28 12:49:18,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.56/6.06 [2019-03-28 12:49:18,993 INFO L82 PathProgramCache]: Analyzing trace with hash 139153826, now seen corresponding path program 1 times 12.56/6.06 [2019-03-28 12:49:18,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.56/6.06 [2019-03-28 12:49:18,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.56/6.06 [2019-03-28 12:49:19,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.56/6.06 [2019-03-28 12:49:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.56/6.06 [2019-03-28 12:49:19,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.56/6.06 [2019-03-28 12:49:19,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 12.56/6.06 [2019-03-28 12:49:19,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.56/6.06 [2019-03-28 12:49:19,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.56/6.06 [2019-03-28 12:49:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.56/6.06 [2019-03-28 12:49:19,178 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. 12.56/6.06 [2019-03-28 12:49:19,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.56/6.06 [2019-03-28 12:49:19,325 INFO L93 Difference]: Finished difference Result 53 states and 94 transitions. 12.56/6.06 [2019-03-28 12:49:19,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.56/6.06 [2019-03-28 12:49:19,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.56/6.06 [2019-03-28 12:49:19,341 INFO L225 Difference]: With dead ends: 53 12.56/6.06 [2019-03-28 12:49:19,342 INFO L226 Difference]: Without dead ends: 37 12.56/6.06 [2019-03-28 12:49:19,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.56/6.06 [2019-03-28 12:49:19,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. 12.56/6.06 [2019-03-28 12:49:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 21. 12.56/6.06 [2019-03-28 12:49:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. 12.56/6.06 [2019-03-28 12:49:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 39 transitions. 12.56/6.06 [2019-03-28 12:49:19,385 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 39 transitions. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. 12.56/6.06 [2019-03-28 12:49:19,386 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 39 transitions. 12.56/6.06 [2019-03-28 12:49:19,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.56/6.06 [2019-03-28 12:49:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. 12.56/6.06 [2019-03-28 12:49:19,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 12.56/6.06 [2019-03-28 12:49:19,387 INFO L394 BasicCegarLoop]: Found error trace 12.56/6.06 [2019-03-28 12:49:19,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 12.56/6.06 [2019-03-28 12:49:19,387 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 12.56/6.06 [2019-03-28 12:49:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.56/6.06 [2019-03-28 12:49:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash 139153857, now seen corresponding path program 1 times 12.56/6.06 [2019-03-28 12:49:19,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.56/6.06 [2019-03-28 12:49:19,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.56/6.06 [2019-03-28 12:49:19,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.56/6.06 [2019-03-28 12:49:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.56/6.06 [2019-03-28 12:49:19,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.56/6.06 [2019-03-28 12:49:19,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 12.56/6.06 [2019-03-28 12:49:19,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states 12.56/6.06 [2019-03-28 12:49:19,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.56/6.06 [2019-03-28 12:49:19,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.56/6.06 [2019-03-28 12:49:19,422 INFO L87 Difference]: Start difference. First operand 21 states and 39 transitions. Second operand 3 states. 12.56/6.06 [2019-03-28 12:49:19,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.56/6.06 [2019-03-28 12:49:19,483 INFO L93 Difference]: Finished difference Result 37 states and 66 transitions. 12.56/6.06 [2019-03-28 12:49:19,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.56/6.06 [2019-03-28 12:49:19,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.56/6.06 [2019-03-28 12:49:19,485 INFO L225 Difference]: With dead ends: 37 12.56/6.06 [2019-03-28 12:49:19,485 INFO L226 Difference]: Without dead ends: 21 12.56/6.06 [2019-03-28 12:49:19,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.56/6.06 [2019-03-28 12:49:19,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. 12.56/6.06 [2019-03-28 12:49:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. 12.56/6.06 [2019-03-28 12:49:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. 12.56/6.06 [2019-03-28 12:49:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. 12.56/6.06 [2019-03-28 12:49:19,490 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 35 transitions. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,491 INFO L84 Accepts]: Finished accepts. word is rejected. 12.56/6.06 [2019-03-28 12:49:19,491 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 35 transitions. 12.56/6.06 [2019-03-28 12:49:19,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. 12.56/6.06 [2019-03-28 12:49:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. 12.56/6.06 [2019-03-28 12:49:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 12.56/6.06 [2019-03-28 12:49:19,492 INFO L394 BasicCegarLoop]: Found error trace 12.56/6.06 [2019-03-28 12:49:19,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 12.56/6.06 [2019-03-28 12:49:19,492 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 12.56/6.06 [2019-03-28 12:49:19,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.56/6.06 [2019-03-28 12:49:19,492 INFO L82 PathProgramCache]: Analyzing trace with hash 139153888, now seen corresponding path program 1 times 12.56/6.06 [2019-03-28 12:49:19,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.56/6.06 [2019-03-28 12:49:19,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.56/6.06 [2019-03-28 12:49:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.56/6.06 [2019-03-28 12:49:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.56/6.06 [2019-03-28 12:49:19,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.56/6.06 [2019-03-28 12:49:19,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 12.56/6.06 [2019-03-28 12:49:19,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states 12.56/6.06 [2019-03-28 12:49:19,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 12.56/6.06 [2019-03-28 12:49:19,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 12.56/6.06 [2019-03-28 12:49:19,529 INFO L87 Difference]: Start difference. First operand 21 states and 35 transitions. Second operand 4 states. 12.56/6.06 [2019-03-28 12:49:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.56/6.06 [2019-03-28 12:49:19,597 INFO L93 Difference]: Finished difference Result 21 states and 35 transitions. 12.56/6.06 [2019-03-28 12:49:19,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 12.56/6.06 [2019-03-28 12:49:19,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. 12.56/6.06 [2019-03-28 12:49:19,599 INFO L225 Difference]: With dead ends: 21 12.56/6.06 [2019-03-28 12:49:19,599 INFO L226 Difference]: Without dead ends: 16 12.56/6.06 [2019-03-28 12:49:19,599 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 12.56/6.06 [2019-03-28 12:49:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. 12.56/6.06 [2019-03-28 12:49:19,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. 12.56/6.06 [2019-03-28 12:49:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. 12.56/6.06 [2019-03-28 12:49:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 25 transitions. 12.56/6.06 [2019-03-28 12:49:19,603 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 25 transitions. Word has length 5 12.56/6.06 [2019-03-28 12:49:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. 12.56/6.06 [2019-03-28 12:49:19,603 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 25 transitions. 12.56/6.06 [2019-03-28 12:49:19,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. 12.56/6.06 [2019-03-28 12:49:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. 12.56/6.06 [2019-03-28 12:49:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 12.56/6.06 [2019-03-28 12:49:19,604 INFO L394 BasicCegarLoop]: Found error trace 12.56/6.06 [2019-03-28 12:49:19,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] 12.56/6.06 [2019-03-28 12:49:19,604 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION]=== 12.56/6.06 [2019-03-28 12:49:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.56/6.06 [2019-03-28 12:49:19,605 INFO L82 PathProgramCache]: Analyzing trace with hash 139153890, now seen corresponding path program 1 times 12.56/6.06 [2019-03-28 12:49:19,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.56/6.06 [2019-03-28 12:49:19,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.56/6.06 [2019-03-28 12:49:19,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.56/6.06 [2019-03-28 12:49:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.56/6.06 [2019-03-28 12:49:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.56/6.06 [2019-03-28 12:49:19,647 INFO L469 BasicCegarLoop]: Counterexample might be feasible 12.56/6.06 [2019-03-28 12:49:19,667 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg 12.56/6.06 [2019-03-28 12:49:19,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:19 BasicIcfg 12.56/6.06 [2019-03-28 12:49:19,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.56/6.06 [2019-03-28 12:49:19,671 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.56/6.06 [2019-03-28 12:49:19,671 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.56/6.06 [2019-03-28 12:49:19,674 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.56/6.06 [2019-03-28 12:49:19,675 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.56/6.06 [2019-03-28 12:49:19,675 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.56/6.06 [2019-03-28 12:49:19,675 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.56/6.06 [2019-03-28 12:49:19,675 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.56/6.06 [2019-03-28 12:49:19,675 INFO L99 BuchiAutomizer]: Another Plugin discovered errors, I will not analyze termination 12.56/6.06 [2019-03-28 12:49:19,675 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.56/6.06 [2019-03-28 12:49:19,676 INFO L168 Benchmark]: Toolchain (without parser) took 1548.06 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.5 MB in the beginning and 548.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,678 INFO L168 Benchmark]: CDTParser took 0.18 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. 12.56/6.06 [2019-03-28 12:49:19,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.97 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.5 MB in the beginning and 649.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 683.1 MB. Free memory was 649.0 MB in the beginning and 645.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,680 INFO L168 Benchmark]: Boogie Preprocessor took 25.92 ms. Allocated memory is still 683.1 MB. Free memory was 645.0 MB in the beginning and 644.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,681 INFO L168 Benchmark]: RCFGBuilder took 272.95 ms. Allocated memory is still 683.1 MB. Free memory was 644.0 MB in the beginning and 625.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,681 INFO L168 Benchmark]: BlockEncodingV2 took 120.21 ms. Allocated memory is still 683.1 MB. Free memory was 625.1 MB in the beginning and 617.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,682 INFO L168 Benchmark]: TraceAbstraction took 781.88 ms. Allocated memory is still 683.1 MB. Free memory was 617.5 MB in the beginning and 549.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,682 INFO L168 Benchmark]: BuchiAutomizer took 4.67 ms. Allocated memory is still 683.1 MB. Free memory is still 548.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.56/6.06 [2019-03-28 12:49:19,687 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.56/6.06 --- Results --- 12.56/6.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.56/6.06 - StatisticsResult: Initial Icfg 12.56/6.06 26 locations, 29 edges 12.56/6.06 - StatisticsResult: Encoded RCFG 12.56/6.06 20 locations, 36 edges 12.56/6.06 * Results from de.uni_freiburg.informatik.ultimate.core: 12.56/6.06 - StatisticsResult: Toolchain Benchmarks 12.56/6.06 Benchmark results are: 12.56/6.06 * CDTParser took 0.18 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. 12.56/6.06 * CACSL2BoogieTranslator took 296.97 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 563.5 MB in the beginning and 649.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 12.56/6.06 * Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 683.1 MB. Free memory was 649.0 MB in the beginning and 645.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 50.3 GB. 12.56/6.06 * Boogie Preprocessor took 25.92 ms. Allocated memory is still 683.1 MB. Free memory was 645.0 MB in the beginning and 644.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.56/6.06 * RCFGBuilder took 272.95 ms. Allocated memory is still 683.1 MB. Free memory was 644.0 MB in the beginning and 625.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 50.3 GB. 12.56/6.06 * BlockEncodingV2 took 120.21 ms. Allocated memory is still 683.1 MB. Free memory was 625.1 MB in the beginning and 617.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 50.3 GB. 12.56/6.06 * TraceAbstraction took 781.88 ms. Allocated memory is still 683.1 MB. Free memory was 617.5 MB in the beginning and 549.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 50.3 GB. 12.56/6.06 * BuchiAutomizer took 4.67 ms. Allocated memory is still 683.1 MB. Free memory is still 548.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.56/6.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.56/6.06 - CounterExampleResult [Line: 11]: pointer dereference may fail 12.56/6.06 pointer dereference may fail 12.56/6.06 We found a FailurePath: 12.56/6.06 [L5] int i, j; 12.56/6.06 [L6] int length = __VERIFIER_nondet_int(); 12.56/6.06 [L7] COND TRUE length < 1 12.56/6.06 [L7] length = 1 12.56/6.06 [L8] int *arr = alloca(length); 12.56/6.06 [L9] COND FALSE !(!arr) 12.56/6.06 [L10] int *a = arr; 12.56/6.06 [L11] \read(*a) 12.56/6.06 12.56/6.06 - StatisticsResult: Ultimate Automizer benchmark data 12.56/6.06 CFG has 1 procedures, 20 locations, 10 error locations. UNSAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 93 SDslu, 27 SDs, 0 SdLazy, 120 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=1, 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, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available 12.56/6.06 RESULT: Ultimate proved your program to be incorrect! 12.56/6.06 !SESSION 2019-03-28 12:49:14.829 ----------------------------------------------- 12.56/6.06 eclipse.buildId=unknown 12.56/6.06 java.version=1.8.0_181 12.56/6.06 java.vendor=Oracle Corporation 12.56/6.06 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.56/6.06 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.56/6.06 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 12.56/6.06 12.56/6.06 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:49:19.919 12.56/6.06 !MESSAGE The workspace will exit with unsaved changes in this session. 12.56/6.06 Received shutdown request... 12.56/6.06 Ultimate: 12.56/6.06 GTK+ Version Check 12.56/6.06 EOF