11.84/6.50 YES 11.84/6.50 11.84/6.50 Ultimate: Cannot open display: 11.84/6.50 This is Ultimate 0.1.24-8dc7c08-m 11.84/6.50 [2019-03-29 02:05:59,999 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.84/6.50 [2019-03-29 02:06:00,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.84/6.50 [2019-03-29 02:06:00,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.84/6.50 [2019-03-29 02:06:00,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.84/6.50 [2019-03-29 02:06:00,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.84/6.50 [2019-03-29 02:06:00,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.84/6.50 [2019-03-29 02:06:00,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.84/6.50 [2019-03-29 02:06:00,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.84/6.50 [2019-03-29 02:06:00,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.84/6.50 [2019-03-29 02:06:00,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.84/6.50 [2019-03-29 02:06:00,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.84/6.50 [2019-03-29 02:06:00,024 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.84/6.50 [2019-03-29 02:06:00,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.84/6.50 [2019-03-29 02:06:00,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.84/6.50 [2019-03-29 02:06:00,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.84/6.50 [2019-03-29 02:06:00,029 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.84/6.50 [2019-03-29 02:06:00,030 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.84/6.50 [2019-03-29 02:06:00,031 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.84/6.50 [2019-03-29 02:06:00,032 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.84/6.50 [2019-03-29 02:06:00,034 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,034 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,035 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.84/6.50 [2019-03-29 02:06:00,035 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.84/6.50 [2019-03-29 02:06:00,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.84/6.50 [2019-03-29 02:06:00,037 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.84/6.50 [2019-03-29 02:06:00,038 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.84/6.50 [2019-03-29 02:06:00,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.84/6.50 [2019-03-29 02:06:00,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.84/6.50 [2019-03-29 02:06:00,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.84/6.50 [2019-03-29 02:06:00,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,041 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.84/6.50 [2019-03-29 02:06:00,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.84/6.50 [2019-03-29 02:06:00,042 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.84/6.50 [2019-03-29 02:06:00,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.84/6.50 [2019-03-29 02:06:00,043 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.84/6.50 [2019-03-29 02:06:00,058 INFO L110 SettingsManager]: Loading preferences was successful 11.84/6.50 [2019-03-29 02:06:00,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.84/6.50 [2019-03-29 02:06:00,059 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.84/6.50 [2019-03-29 02:06:00,059 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.84/6.50 [2019-03-29 02:06:00,059 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.84/6.50 [2019-03-29 02:06:00,060 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.84/6.50 [2019-03-29 02:06:00,060 INFO L133 SettingsManager]: * Use SBE=true 11.84/6.50 [2019-03-29 02:06:00,060 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.84/6.50 [2019-03-29 02:06:00,060 INFO L133 SettingsManager]: * Use old map elimination=false 11.84/6.50 [2019-03-29 02:06:00,060 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.84/6.50 [2019-03-29 02:06:00,061 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.84/6.50 [2019-03-29 02:06:00,061 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.84/6.50 [2019-03-29 02:06:00,061 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.84/6.50 [2019-03-29 02:06:00,061 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.84/6.50 [2019-03-29 02:06:00,061 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.84/6.50 [2019-03-29 02:06:00,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.84/6.50 [2019-03-29 02:06:00,062 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.84/6.50 [2019-03-29 02:06:00,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.84/6.50 [2019-03-29 02:06:00,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.84/6.50 [2019-03-29 02:06:00,062 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.84/6.50 [2019-03-29 02:06:00,062 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.84/6.50 [2019-03-29 02:06:00,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.84/6.50 [2019-03-29 02:06:00,063 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.84/6.50 [2019-03-29 02:06:00,063 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.84/6.50 [2019-03-29 02:06:00,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.84/6.50 [2019-03-29 02:06:00,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.84/6.50 [2019-03-29 02:06:00,063 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.84/6.50 [2019-03-29 02:06:00,064 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.84/6.50 [2019-03-29 02:06:00,064 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.84/6.50 [2019-03-29 02:06:00,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.84/6.50 [2019-03-29 02:06:00,102 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.84/6.50 [2019-03-29 02:06:00,106 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.84/6.50 [2019-03-29 02:06:00,107 INFO L271 PluginConnector]: Initializing CDTParser... 11.84/6.50 [2019-03-29 02:06:00,108 INFO L276 PluginConnector]: CDTParser initialized 11.84/6.50 [2019-03-29 02:06:00,108 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.84/6.50 [2019-03-29 02:06:00,195 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/319be8778e6544f19b934595e14d840c/FLAG5f1ccd249 11.84/6.50 [2019-03-29 02:06:00,527 INFO L307 CDTParser]: Found 1 translation units. 11.84/6.50 [2019-03-29 02:06:00,528 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.84/6.50 [2019-03-29 02:06:00,534 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/319be8778e6544f19b934595e14d840c/FLAG5f1ccd249 11.84/6.50 [2019-03-29 02:06:00,933 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/319be8778e6544f19b934595e14d840c 11.84/6.50 [2019-03-29 02:06:00,944 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.84/6.50 [2019-03-29 02:06:00,946 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.84/6.50 [2019-03-29 02:06:00,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.84/6.50 [2019-03-29 02:06:00,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.84/6.50 [2019-03-29 02:06:00,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.84/6.50 [2019-03-29 02:06:00,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:00" (1/1) ... 11.84/6.50 [2019-03-29 02:06:00,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2866d459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:00,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:00" (1/1) ... 11.84/6.50 [2019-03-29 02:06:00,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.84/6.50 [2019-03-29 02:06:00,980 INFO L176 MainTranslator]: Built tables and reachable declarations 11.84/6.50 [2019-03-29 02:06:01,137 INFO L206 PostProcessor]: Analyzing one entry point: main 11.84/6.50 [2019-03-29 02:06:01,141 INFO L191 MainTranslator]: Completed pre-run 11.84/6.50 [2019-03-29 02:06:01,158 INFO L206 PostProcessor]: Analyzing one entry point: main 11.84/6.50 [2019-03-29 02:06:01,173 INFO L195 MainTranslator]: Completed translation 11.84/6.50 [2019-03-29 02:06:01,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01 WrapperNode 11.84/6.50 [2019-03-29 02:06:01,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.84/6.50 [2019-03-29 02:06:01,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.84/6.50 [2019-03-29 02:06:01,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.84/6.50 [2019-03-29 02:06:01,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.84/6.50 [2019-03-29 02:06:01,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.84/6.50 [2019-03-29 02:06:01,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.84/6.50 [2019-03-29 02:06:01,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.84/6.50 [2019-03-29 02:06:01,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.84/6.50 [2019-03-29 02:06:01,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.84/6.50 [2019-03-29 02:06:01,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.84/6.50 [2019-03-29 02:06:01,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.84/6.50 [2019-03-29 02:06:01,292 INFO L276 PluginConnector]: RCFGBuilder initialized 11.84/6.50 [2019-03-29 02:06:01,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (1/1) ... 11.84/6.50 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.84/6.50 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.84/6.50 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.84/6.50 [2019-03-29 02:06:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.84/6.50 [2019-03-29 02:06:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.84/6.50 [2019-03-29 02:06:01,489 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.84/6.50 [2019-03-29 02:06:01,489 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.84/6.50 [2019-03-29 02:06:01,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:01 BoogieIcfgContainer 11.84/6.50 [2019-03-29 02:06:01,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.84/6.50 [2019-03-29 02:06:01,491 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.84/6.50 [2019-03-29 02:06:01,491 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.84/6.50 [2019-03-29 02:06:01,494 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.84/6.50 [2019-03-29 02:06:01,495 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:01" (1/1) ... 11.84/6.50 [2019-03-29 02:06:01,510 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 11.84/6.50 [2019-03-29 02:06:01,512 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.84/6.50 [2019-03-29 02:06:01,513 INFO L263 BlockEncoder]: Using Maximize final states 11.84/6.50 [2019-03-29 02:06:01,514 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.84/6.50 [2019-03-29 02:06:01,514 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.84/6.50 [2019-03-29 02:06:01,516 INFO L296 BlockEncoder]: Using Remove sink states 11.84/6.50 [2019-03-29 02:06:01,517 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.84/6.50 [2019-03-29 02:06:01,517 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.84/6.50 [2019-03-29 02:06:01,534 INFO L185 BlockEncoder]: Using Use SBE 11.84/6.50 [2019-03-29 02:06:01,548 INFO L200 BlockEncoder]: SBE split 1 edges 11.84/6.50 [2019-03-29 02:06:01,553 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.84/6.50 [2019-03-29 02:06:01,555 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.84/6.50 [2019-03-29 02:06:01,566 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.84/6.50 [2019-03-29 02:06:01,569 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 11.84/6.50 [2019-03-29 02:06:01,571 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.84/6.50 [2019-03-29 02:06:01,571 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.84/6.50 [2019-03-29 02:06:01,571 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.84/6.50 [2019-03-29 02:06:01,571 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.84/6.50 [2019-03-29 02:06:01,572 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 11.84/6.50 [2019-03-29 02:06:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:01 BasicIcfg 11.84/6.50 [2019-03-29 02:06:01,572 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.84/6.50 [2019-03-29 02:06:01,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.84/6.50 [2019-03-29 02:06:01,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.84/6.50 [2019-03-29 02:06:01,577 INFO L276 PluginConnector]: TraceAbstraction initialized 11.84/6.50 [2019-03-29 02:06:01,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:00" (1/4) ... 11.84/6.50 [2019-03-29 02:06:01,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139d3ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (2/4) ... 11.84/6.50 [2019-03-29 02:06:01,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139d3ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:01" (3/4) ... 11.84/6.50 [2019-03-29 02:06:01,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139d3ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:01" (4/4) ... 11.84/6.50 [2019-03-29 02:06:01,581 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.84/6.50 [2019-03-29 02:06:01,591 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.84/6.50 [2019-03-29 02:06:01,598 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.84/6.50 [2019-03-29 02:06:01,616 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.84/6.50 [2019-03-29 02:06:01,644 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.84/6.50 [2019-03-29 02:06:01,645 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.84/6.50 [2019-03-29 02:06:01,645 INFO L383 AbstractCegarLoop]: Hoare is true 11.84/6.50 [2019-03-29 02:06:01,645 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.84/6.50 [2019-03-29 02:06:01,645 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.84/6.50 [2019-03-29 02:06:01,645 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.84/6.50 [2019-03-29 02:06:01,645 INFO L387 AbstractCegarLoop]: Difference is false 11.84/6.50 [2019-03-29 02:06:01,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.84/6.50 [2019-03-29 02:06:01,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.84/6.50 [2019-03-29 02:06:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 11.84/6.50 [2019-03-29 02:06:01,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.84/6.50 [2019-03-29 02:06:01,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 11.84/6.50 [2019-03-29 02:06:01,673 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 5 21) no Hoare annotation was computed. 11.84/6.50 [2019-03-29 02:06:01,673 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.84/6.50 [2019-03-29 02:06:01,673 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 17) no Hoare annotation was computed. 11.84/6.50 [2019-03-29 02:06:01,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:01 BasicIcfg 11.84/6.50 [2019-03-29 02:06:01,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.84/6.50 [2019-03-29 02:06:01,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.84/6.50 [2019-03-29 02:06:01,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.84/6.50 [2019-03-29 02:06:01,681 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.84/6.50 [2019-03-29 02:06:01,682 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.84/6.50 [2019-03-29 02:06:01,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:00" (1/5) ... 11.84/6.50 [2019-03-29 02:06:01,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e13d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,683 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.84/6.50 [2019-03-29 02:06:01,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:01" (2/5) ... 11.84/6.50 [2019-03-29 02:06:01,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e13d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,683 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.84/6.50 [2019-03-29 02:06:01,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:01" (3/5) ... 11.84/6.50 [2019-03-29 02:06:01,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e13d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,684 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.84/6.50 [2019-03-29 02:06:01,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:01" (4/5) ... 11.84/6.50 [2019-03-29 02:06:01,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47e13d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:01, skipping insertion in model container 11.84/6.50 [2019-03-29 02:06:01,685 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.84/6.50 [2019-03-29 02:06:01,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:01" (5/5) ... 11.84/6.50 [2019-03-29 02:06:01,686 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.84/6.50 [2019-03-29 02:06:01,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.84/6.50 [2019-03-29 02:06:01,715 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.84/6.50 [2019-03-29 02:06:01,715 INFO L375 BuchiCegarLoop]: Hoare is true 11.84/6.50 [2019-03-29 02:06:01,715 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.84/6.50 [2019-03-29 02:06:01,715 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.84/6.50 [2019-03-29 02:06:01,715 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.84/6.50 [2019-03-29 02:06:01,716 INFO L379 BuchiCegarLoop]: Difference is false 11.84/6.50 [2019-03-29 02:06:01,716 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.84/6.50 [2019-03-29 02:06:01,716 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.84/6.50 [2019-03-29 02:06:01,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.84/6.50 [2019-03-29 02:06:01,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.84/6.50 [2019-03-29 02:06:01,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.84/6.50 [2019-03-29 02:06:01,737 INFO L119 BuchiIsEmpty]: Starting construction of run 11.84/6.50 [2019-03-29 02:06:01,742 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.84/6.50 [2019-03-29 02:06:01,743 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.84/6.50 [2019-03-29 02:06:01,743 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.84/6.50 [2019-03-29 02:06:01,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 11.84/6.50 [2019-03-29 02:06:01,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.84/6.50 [2019-03-29 02:06:01,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.84/6.50 [2019-03-29 02:06:01,744 INFO L119 BuchiIsEmpty]: Starting construction of run 11.84/6.50 [2019-03-29 02:06:01,744 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.84/6.50 [2019-03-29 02:06:01,744 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.84/6.50 [2019-03-29 02:06:01,750 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L13: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 5#L13true [28] L13-->L18-1: Formula: (and (< 10 v_ULTIMATE.start_main_~i~0_6) (= v_ULTIMATE.start_main_~x~0_6 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-1true 11.84/6.50 [2019-03-29 02:06:01,750 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-1true [27] L18-1-->L18-1: Formula: (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 4#L18-1true 11.84/6.50 [2019-03-29 02:06:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:01,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times 11.84/6.50 [2019-03-29 02:06:01,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:01,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:01,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:01,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:01,867 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 11.84/6.50 [2019-03-29 02:06:01,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:01,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:01,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:01,874 INFO L82 PathProgramCache]: Analyzing trace with hash 52789, now seen corresponding path program 1 times 11.84/6.50 [2019-03-29 02:06:01,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:01,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:01,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.84/6.50 [2019-03-29 02:06:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.84/6.50 [2019-03-29 02:06:01,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 11.84/6.50 [2019-03-29 02:06:01,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 11.84/6.50 [2019-03-29 02:06:01,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 11.84/6.50 [2019-03-29 02:06:01,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 11.84/6.50 [2019-03-29 02:06:01,979 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 4 states. 11.84/6.50 [2019-03-29 02:06:02,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 11.84/6.50 [2019-03-29 02:06:02,018 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. 11.84/6.50 [2019-03-29 02:06:02,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 11.84/6.50 [2019-03-29 02:06:02,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. 11.84/6.50 [2019-03-29 02:06:02,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.84/6.50 [2019-03-29 02:06:02,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 11.84/6.50 [2019-03-29 02:06:02,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 11.84/6.50 [2019-03-29 02:06:02,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.84/6.50 [2019-03-29 02:06:02,029 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 11.84/6.50 [2019-03-29 02:06:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 11.84/6.50 [2019-03-29 02:06:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,062 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,062 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,062 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 11.84/6.50 [2019-03-29 02:06:02,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 11.84/6.50 [2019-03-29 02:06:02,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.84/6.50 [2019-03-29 02:06:02,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.84/6.50 [2019-03-29 02:06:02,063 INFO L119 BuchiIsEmpty]: Starting construction of run 11.84/6.50 [2019-03-29 02:06:02,063 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.84/6.50 [2019-03-29 02:06:02,064 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.84/6.50 [2019-03-29 02:06:02,064 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRY [23] ULTIMATE.startENTRY-->L13: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~x~0] 22#L13 [32] L13-->L18-1: Formula: (and (>= 10 v_ULTIMATE.start_main_~i~0_7) (= v_ULTIMATE.start_main_~y~0_6 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 23#L18-1 11.84/6.50 [2019-03-29 02:06:02,064 INFO L796 eck$LassoCheckResult]: Loop: 23#L18-1 [27] L18-1-->L18-1: Formula: (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 23#L18-1 11.84/6.50 [2019-03-29 02:06:02,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:02,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1706, now seen corresponding path program 1 times 11.84/6.50 [2019-03-29 02:06:02,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:02,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:02,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:02,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:02,074 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times 11.84/6.50 [2019-03-29 02:06:02,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:02,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:02,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.84/6.50 [2019-03-29 02:06:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.84/6.50 [2019-03-29 02:06:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash 52913, now seen corresponding path program 1 times 11.84/6.50 [2019-03-29 02:06:02,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.84/6.50 [2019-03-29 02:06:02,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.84/6.50 [2019-03-29 02:06:02,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,081 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.84/6.50 [2019-03-29 02:06:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 11.84/6.50 [2019-03-29 02:06:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 11.84/6.50 [2019-03-29 02:06:02,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 11.84/6.50 [2019-03-29 02:06:02,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 11.84/6.50 [2019-03-29 02:06:02,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 11.84/6.50 [2019-03-29 02:06:02,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 11.84/6.50 [2019-03-29 02:06:02,112 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 4 states. 11.84/6.50 [2019-03-29 02:06:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 11.84/6.50 [2019-03-29 02:06:02,126 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. 11.84/6.50 [2019-03-29 02:06:02,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 11.84/6.50 [2019-03-29 02:06:02,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. 11.84/6.50 [2019-03-29 02:06:02,128 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.84/6.50 [2019-03-29 02:06:02,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 11.84/6.50 [2019-03-29 02:06:02,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 11.84/6.50 [2019-03-29 02:06:02,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 11.84/6.50 [2019-03-29 02:06:02,129 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,129 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,129 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,129 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 11.84/6.50 [2019-03-29 02:06:02,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 11.84/6.50 [2019-03-29 02:06:02,129 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 11.84/6.50 [2019-03-29 02:06:02,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 11.84/6.50 [2019-03-29 02:06:02,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:02 BasicIcfg 11.84/6.50 [2019-03-29 02:06:02,135 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.84/6.50 [2019-03-29 02:06:02,135 INFO L168 Benchmark]: Toolchain (without parser) took 1190.14 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 563.9 MB in the beginning and 588.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,137 INFO L168 Benchmark]: CDTParser took 0.16 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. 11.84/6.50 [2019-03-29 02:06:02,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.64 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.59 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 554.4 MB in the beginning and 652.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,139 INFO L168 Benchmark]: Boogie Preprocessor took 20.65 ms. Allocated memory is still 686.3 MB. Free memory was 652.5 MB in the beginning and 650.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,140 INFO L168 Benchmark]: RCFGBuilder took 198.65 ms. Allocated memory is still 686.3 MB. Free memory was 650.8 MB in the beginning and 637.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,140 INFO L168 Benchmark]: BlockEncodingV2 took 81.28 ms. Allocated memory is still 686.3 MB. Free memory was 637.9 MB in the beginning and 632.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,141 INFO L168 Benchmark]: TraceAbstraction took 103.12 ms. Allocated memory is still 686.3 MB. Free memory was 632.5 MB in the beginning and 625.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,141 INFO L168 Benchmark]: BuchiAutomizer took 457.89 ms. Allocated memory is still 686.3 MB. Free memory was 625.7 MB in the beginning and 588.2 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 50.3 GB. 11.84/6.50 [2019-03-29 02:06:02,146 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.84/6.50 --- Results --- 11.84/6.50 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.84/6.50 - StatisticsResult: Initial Icfg 11.84/6.50 7 locations, 9 edges 11.84/6.50 - StatisticsResult: Encoded RCFG 11.84/6.50 3 locations, 4 edges 11.84/6.50 * Results from de.uni_freiburg.informatik.ultimate.core: 11.84/6.50 - StatisticsResult: Toolchain Benchmarks 11.84/6.50 Benchmark results are: 11.84/6.50 * CDTParser took 0.16 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. 11.84/6.50 * CACSL2BoogieTranslator took 226.64 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 11.84/6.50 * Boogie Procedure Inliner took 96.59 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 554.4 MB in the beginning and 652.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.84/6.50 * Boogie Preprocessor took 20.65 ms. Allocated memory is still 686.3 MB. Free memory was 652.5 MB in the beginning and 650.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 11.84/6.50 * RCFGBuilder took 198.65 ms. Allocated memory is still 686.3 MB. Free memory was 650.8 MB in the beginning and 637.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 11.84/6.50 * BlockEncodingV2 took 81.28 ms. Allocated memory is still 686.3 MB. Free memory was 637.9 MB in the beginning and 632.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.84/6.50 * TraceAbstraction took 103.12 ms. Allocated memory is still 686.3 MB. Free memory was 632.5 MB in the beginning and 625.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.84/6.50 * BuchiAutomizer took 457.89 ms. Allocated memory is still 686.3 MB. Free memory was 625.7 MB in the beginning and 588.2 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 50.3 GB. 11.84/6.50 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.84/6.50 - AllSpecificationsHoldResult: All specifications hold 11.84/6.50 We were not able to verify any specifiation because the program does not contain any specification. 11.84/6.50 - StatisticsResult: Ultimate Automizer benchmark data 11.84/6.50 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.84/6.50 - StatisticsResult: Constructed decomposition of program 11.84/6.50 Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 11.84/6.50 - StatisticsResult: Timing statistics 11.84/6.50 BüchiAutomizer plugin needed 0.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.84/6.50 - TerminationAnalysisResult: Termination proven 11.84/6.50 Buchi Automizer proved that your program is terminating 11.84/6.50 RESULT: Ultimate proved your program to be correct! 11.84/6.50 !SESSION 2019-03-29 02:05:57.659 ----------------------------------------------- 11.84/6.50 eclipse.buildId=unknown 11.84/6.50 java.version=1.8.0_181 11.84/6.50 java.vendor=Oracle Corporation 11.84/6.50 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.84/6.50 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.84/6.50 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.84/6.50 11.84/6.50 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:02.393 11.84/6.50 !MESSAGE The workspace will exit with unsaved changes in this session. 11.84/6.50 Received shutdown request... 11.84/6.50 Ultimate: 11.84/6.50 GTK+ Version Check 11.84/6.50 EOF