10.93/5.64 NO 10.93/5.64 10.93/5.64 Ultimate: Cannot open display: 10.93/5.64 This is Ultimate 0.1.24-8dc7c08-m 10.93/5.64 [2019-03-29 01:39:29,958 INFO L170 SettingsManager]: Resetting all preferences to default values... 10.93/5.64 [2019-03-29 01:39:29,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 10.93/5.64 [2019-03-29 01:39:29,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 10.93/5.64 [2019-03-29 01:39:29,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 10.93/5.64 [2019-03-29 01:39:29,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 10.93/5.64 [2019-03-29 01:39:29,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 10.93/5.64 [2019-03-29 01:39:29,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 10.93/5.64 [2019-03-29 01:39:29,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 10.93/5.64 [2019-03-29 01:39:29,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,979 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 10.93/5.64 [2019-03-29 01:39:29,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 10.93/5.64 [2019-03-29 01:39:29,980 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 10.93/5.64 [2019-03-29 01:39:29,981 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 10.93/5.64 [2019-03-29 01:39:29,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 10.93/5.64 [2019-03-29 01:39:29,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 10.93/5.64 [2019-03-29 01:39:29,985 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 10.93/5.64 [2019-03-29 01:39:29,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 10.93/5.64 [2019-03-29 01:39:29,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 10.93/5.64 [2019-03-29 01:39:29,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 10.93/5.64 [2019-03-29 01:39:29,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 10.93/5.64 [2019-03-29 01:39:29,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 10.93/5.64 [2019-03-29 01:39:29,993 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 10.93/5.64 [2019-03-29 01:39:29,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 10.93/5.64 [2019-03-29 01:39:29,995 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,995 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 10.93/5.64 [2019-03-29 01:39:29,996 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 10.93/5.64 [2019-03-29 01:39:29,996 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 10.93/5.64 [2019-03-29 01:39:29,997 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 10.93/5.64 [2019-03-29 01:39:29,998 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,998 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 10.93/5.64 [2019-03-29 01:39:29,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,999 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 10.93/5.64 [2019-03-29 01:39:29,999 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 10.93/5.64 [2019-03-29 01:39:30,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 10.93/5.64 [2019-03-29 01:39:30,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 10.93/5.64 [2019-03-29 01:39:30,001 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 10.93/5.64 [2019-03-29 01:39:30,016 INFO L110 SettingsManager]: Loading preferences was successful 10.93/5.64 [2019-03-29 01:39:30,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 10.93/5.64 [2019-03-29 01:39:30,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 10.93/5.64 [2019-03-29 01:39:30,018 INFO L133 SettingsManager]: * Rewrite not-equals=true 10.93/5.64 [2019-03-29 01:39:30,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 10.93/5.64 [2019-03-29 01:39:30,018 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 10.93/5.64 [2019-03-29 01:39:30,018 INFO L133 SettingsManager]: * Use SBE=true 10.93/5.64 [2019-03-29 01:39:30,018 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 10.93/5.64 [2019-03-29 01:39:30,019 INFO L133 SettingsManager]: * Use old map elimination=false 10.93/5.64 [2019-03-29 01:39:30,019 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 10.93/5.64 [2019-03-29 01:39:30,019 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 10.93/5.64 [2019-03-29 01:39:30,019 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 10.93/5.64 [2019-03-29 01:39:30,019 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 10.93/5.64 [2019-03-29 01:39:30,020 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 10.93/5.64 [2019-03-29 01:39:30,020 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 10.93/5.64 [2019-03-29 01:39:30,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 10.93/5.64 [2019-03-29 01:39:30,020 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 10.93/5.64 [2019-03-29 01:39:30,020 INFO L133 SettingsManager]: * Check division by zero=IGNORE 10.93/5.64 [2019-03-29 01:39:30,021 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 10.93/5.64 [2019-03-29 01:39:30,021 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 10.93/5.64 [2019-03-29 01:39:30,021 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 10.93/5.64 [2019-03-29 01:39:30,021 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 10.93/5.64 [2019-03-29 01:39:30,021 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 10.93/5.64 [2019-03-29 01:39:30,022 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 10.93/5.64 [2019-03-29 01:39:30,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.93/5.64 [2019-03-29 01:39:30,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 10.93/5.64 [2019-03-29 01:39:30,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 10.93/5.64 [2019-03-29 01:39:30,022 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 10.93/5.64 [2019-03-29 01:39:30,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 10.93/5.64 [2019-03-29 01:39:30,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 10.93/5.64 [2019-03-29 01:39:30,062 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 10.93/5.64 [2019-03-29 01:39:30,065 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 10.93/5.64 [2019-03-29 01:39:30,067 INFO L271 PluginConnector]: Initializing CDTParser... 10.93/5.64 [2019-03-29 01:39:30,067 INFO L276 PluginConnector]: CDTParser initialized 10.93/5.64 [2019-03-29 01:39:30,068 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 10.93/5.64 [2019-03-29 01:39:30,135 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/acc9b0ca728c4c528b8a942a0f6d6eb5/FLAG72369c178 10.93/5.64 [2019-03-29 01:39:30,479 INFO L307 CDTParser]: Found 1 translation units. 10.93/5.64 [2019-03-29 01:39:30,480 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 10.93/5.64 [2019-03-29 01:39:30,487 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/acc9b0ca728c4c528b8a942a0f6d6eb5/FLAG72369c178 10.93/5.64 [2019-03-29 01:39:30,880 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/acc9b0ca728c4c528b8a942a0f6d6eb5 10.93/5.64 [2019-03-29 01:39:30,891 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 10.93/5.64 [2019-03-29 01:39:30,893 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 10.93/5.64 [2019-03-29 01:39:30,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 10.93/5.64 [2019-03-29 01:39:30,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 10.93/5.64 [2019-03-29 01:39:30,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 10.93/5.64 [2019-03-29 01:39:30,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:30" (1/1) ... 10.93/5.64 [2019-03-29 01:39:30,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf66568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:30, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:30,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:39:30" (1/1) ... 10.93/5.64 [2019-03-29 01:39:30,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 10.93/5.64 [2019-03-29 01:39:30,928 INFO L176 MainTranslator]: Built tables and reachable declarations 10.93/5.64 [2019-03-29 01:39:31,088 INFO L206 PostProcessor]: Analyzing one entry point: main 10.93/5.64 [2019-03-29 01:39:31,093 INFO L191 MainTranslator]: Completed pre-run 10.93/5.64 [2019-03-29 01:39:31,109 INFO L206 PostProcessor]: Analyzing one entry point: main 10.93/5.64 [2019-03-29 01:39:31,124 INFO L195 MainTranslator]: Completed translation 10.93/5.64 [2019-03-29 01:39:31,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31 WrapperNode 10.93/5.64 [2019-03-29 01:39:31,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 10.93/5.64 [2019-03-29 01:39:31,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 10.93/5.64 [2019-03-29 01:39:31,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 10.93/5.64 [2019-03-29 01:39:31,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 10.93/5.64 [2019-03-29 01:39:31,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 10.93/5.64 [2019-03-29 01:39:31,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 10.93/5.64 [2019-03-29 01:39:31,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 10.93/5.64 [2019-03-29 01:39:31,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized 10.93/5.64 [2019-03-29 01:39:31,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 10.93/5.64 [2019-03-29 01:39:31,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 10.93/5.64 [2019-03-29 01:39:31,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... 10.93/5.64 [2019-03-29 01:39:31,242 INFO L276 PluginConnector]: RCFGBuilder initialized 10.93/5.64 [2019-03-29 01:39:31,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (1/1) ... 10.93/5.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 10.93/5.64 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 10.93/5.64 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 10.93/5.64 [2019-03-29 01:39:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 10.93/5.64 [2019-03-29 01:39:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 10.93/5.64 [2019-03-29 01:39:31,429 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 10.93/5.64 [2019-03-29 01:39:31,429 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 10.93/5.64 [2019-03-29 01:39:31,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:31 BoogieIcfgContainer 10.93/5.64 [2019-03-29 01:39:31,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 10.93/5.64 [2019-03-29 01:39:31,431 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 10.93/5.64 [2019-03-29 01:39:31,431 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 10.93/5.64 [2019-03-29 01:39:31,433 INFO L276 PluginConnector]: BlockEncodingV2 initialized 10.93/5.64 [2019-03-29 01:39:31,434 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:31" (1/1) ... 10.93/5.64 [2019-03-29 01:39:31,448 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 10.93/5.64 [2019-03-29 01:39:31,450 INFO L258 BlockEncoder]: Using Remove infeasible edges 10.93/5.64 [2019-03-29 01:39:31,451 INFO L263 BlockEncoder]: Using Maximize final states 10.93/5.64 [2019-03-29 01:39:31,451 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 10.93/5.64 [2019-03-29 01:39:31,452 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 10.93/5.64 [2019-03-29 01:39:31,454 INFO L296 BlockEncoder]: Using Remove sink states 10.93/5.64 [2019-03-29 01:39:31,455 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 10.93/5.64 [2019-03-29 01:39:31,455 INFO L179 BlockEncoder]: Using Rewrite not-equals 10.93/5.64 [2019-03-29 01:39:31,469 INFO L185 BlockEncoder]: Using Use SBE 10.93/5.64 [2019-03-29 01:39:31,476 INFO L200 BlockEncoder]: SBE split 0 edges 10.93/5.64 [2019-03-29 01:39:31,481 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 10.93/5.64 [2019-03-29 01:39:31,483 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.93/5.64 [2019-03-29 01:39:31,496 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 10.93/5.64 [2019-03-29 01:39:31,498 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 10.93/5.64 [2019-03-29 01:39:31,499 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 10.93/5.64 [2019-03-29 01:39:31,499 INFO L71 MaximizeFinalStates]: 0 new accepting states 10.93/5.64 [2019-03-29 01:39:31,500 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 10.93/5.64 [2019-03-29 01:39:31,500 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 10.93/5.64 [2019-03-29 01:39:31,500 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 10.93/5.64 [2019-03-29 01:39:31,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:31 BasicIcfg 10.93/5.64 [2019-03-29 01:39:31,501 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 10.93/5.64 [2019-03-29 01:39:31,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 10.93/5.64 [2019-03-29 01:39:31,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... 10.93/5.64 [2019-03-29 01:39:31,505 INFO L276 PluginConnector]: TraceAbstraction initialized 10.93/5.64 [2019-03-29 01:39:31,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:39:30" (1/4) ... 10.93/5.64 [2019-03-29 01:39:31,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7479cff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (2/4) ... 10.93/5.64 [2019-03-29 01:39:31,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7479cff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:31" (3/4) ... 10.93/5.64 [2019-03-29 01:39:31,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7479cff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:31" (4/4) ... 10.93/5.64 [2019-03-29 01:39:31,509 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 10.93/5.64 [2019-03-29 01:39:31,519 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 10.93/5.64 [2019-03-29 01:39:31,526 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 10.93/5.64 [2019-03-29 01:39:31,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 10.93/5.64 [2019-03-29 01:39:31,573 INFO L133 ementStrategyFactory]: Using default assertion order modulation 10.93/5.64 [2019-03-29 01:39:31,574 INFO L382 AbstractCegarLoop]: Interprodecural is true 10.93/5.64 [2019-03-29 01:39:31,574 INFO L383 AbstractCegarLoop]: Hoare is true 10.93/5.64 [2019-03-29 01:39:31,574 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 10.93/5.64 [2019-03-29 01:39:31,574 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 10.93/5.64 [2019-03-29 01:39:31,574 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 10.93/5.64 [2019-03-29 01:39:31,575 INFO L387 AbstractCegarLoop]: Difference is false 10.93/5.64 [2019-03-29 01:39:31,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 10.93/5.64 [2019-03-29 01:39:31,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 10.93/5.64 [2019-03-29 01:39:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 10.93/5.64 [2019-03-29 01:39:31,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 10.93/5.64 [2019-03-29 01:39:31,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 10.93/5.64 [2019-03-29 01:39:31,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 10.93/5.64 [2019-03-29 01:39:31,648 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 10.93/5.64 [2019-03-29 01:39:31,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:31 BasicIcfg 10.93/5.64 [2019-03-29 01:39:31,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 10.93/5.64 [2019-03-29 01:39:31,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 10.93/5.64 [2019-03-29 01:39:31,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 10.93/5.64 [2019-03-29 01:39:31,660 INFO L276 PluginConnector]: BuchiAutomizer initialized 10.93/5.64 [2019-03-29 01:39:31,661 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.93/5.64 [2019-03-29 01:39:31,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:39:30" (1/5) ... 10.93/5.64 [2019-03-29 01:39:31,662 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f1a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,662 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.93/5.64 [2019-03-29 01:39:31,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:39:31" (2/5) ... 10.93/5.64 [2019-03-29 01:39:31,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f1a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,663 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.93/5.64 [2019-03-29 01:39:31,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:39:31" (3/5) ... 10.93/5.64 [2019-03-29 01:39:31,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f1a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,664 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.93/5.64 [2019-03-29 01:39:31,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:39:31" (4/5) ... 10.93/5.64 [2019-03-29 01:39:31,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21f1a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:31, skipping insertion in model container 10.93/5.64 [2019-03-29 01:39:31,665 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 10.93/5.64 [2019-03-29 01:39:31,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:39:31" (5/5) ... 10.93/5.64 [2019-03-29 01:39:31,666 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 10.93/5.64 [2019-03-29 01:39:31,694 INFO L133 ementStrategyFactory]: Using default assertion order modulation 10.93/5.64 [2019-03-29 01:39:31,694 INFO L374 BuchiCegarLoop]: Interprodecural is true 10.93/5.64 [2019-03-29 01:39:31,694 INFO L375 BuchiCegarLoop]: Hoare is true 10.93/5.64 [2019-03-29 01:39:31,694 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 10.93/5.64 [2019-03-29 01:39:31,694 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 10.93/5.64 [2019-03-29 01:39:31,695 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 10.93/5.64 [2019-03-29 01:39:31,695 INFO L379 BuchiCegarLoop]: Difference is false 10.93/5.64 [2019-03-29 01:39:31,695 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 10.93/5.64 [2019-03-29 01:39:31,695 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 10.93/5.64 [2019-03-29 01:39:31,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 10.93/5.64 [2019-03-29 01:39:31,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 10.93/5.64 [2019-03-29 01:39:31,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 10.93/5.64 [2019-03-29 01:39:31,716 INFO L119 BuchiIsEmpty]: Starting construction of run 10.93/5.64 [2019-03-29 01:39:31,721 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 10.93/5.64 [2019-03-29 01:39:31,721 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 10.93/5.64 [2019-03-29 01:39:31,721 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 10.93/5.64 [2019-03-29 01:39:31,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 10.93/5.64 [2019-03-29 01:39:31,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 10.93/5.64 [2019-03-29 01:39:31,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 10.93/5.64 [2019-03-29 01:39:31,723 INFO L119 BuchiIsEmpty]: Starting construction of run 10.93/5.64 [2019-03-29 01:39:31,723 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 10.93/5.64 [2019-03-29 01:39:31,723 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 10.93/5.64 [2019-03-29 01:39:31,728 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 10.93/5.64 [2019-03-29 01:39:31,729 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [22] L26-2-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~y~0_7 (* (- 2) v_ULTIMATE.start_main_~y~0_8)) (< 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_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 10.93/5.64 [2019-03-29 01:39:31,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.93/5.64 [2019-03-29 01:39:31,735 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 10.93/5.64 [2019-03-29 01:39:31,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.93/5.64 [2019-03-29 01:39:31,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.93/5.64 [2019-03-29 01:39:31,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.93/5.64 [2019-03-29 01:39:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 10.93/5.64 [2019-03-29 01:39:31,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.93/5.64 [2019-03-29 01:39:31,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.93/5.64 [2019-03-29 01:39:31,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 10.93/5.64 [2019-03-29 01:39:31,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 10.93/5.64 [2019-03-29 01:39:31,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 10.93/5.64 [2019-03-29 01:39:31,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 10.93/5.64 [2019-03-29 01:39:31,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 10.93/5.64 [2019-03-29 01:39:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 10.93/5.64 [2019-03-29 01:39:31,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:39:31 BasicIcfg 10.93/5.64 [2019-03-29 01:39:31,921 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 10.93/5.64 [2019-03-29 01:39:31,921 INFO L168 Benchmark]: Toolchain (without parser) took 1029.54 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.5 MB in the beginning and 592.6 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,923 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.79 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 548.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.23 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 548.9 MB in the beginning and 642.1 MB in the end (delta: -93.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,925 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 677.4 MB. Free memory is still 640.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,926 INFO L168 Benchmark]: RCFGBuilder took 189.35 ms. Allocated memory is still 677.4 MB. Free memory was 640.8 MB in the beginning and 627.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,926 INFO L168 Benchmark]: BlockEncodingV2 took 69.76 ms. Allocated memory is still 677.4 MB. Free memory was 627.9 MB in the beginning and 622.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,927 INFO L168 Benchmark]: TraceAbstraction took 154.94 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 614.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,928 INFO L168 Benchmark]: BuchiAutomizer took 263.74 ms. Allocated memory is still 677.4 MB. Free memory was 613.0 MB in the beginning and 592.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 10.93/5.64 [2019-03-29 01:39:31,933 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 10.93/5.64 --- Results --- 10.93/5.64 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 10.93/5.64 - StatisticsResult: Initial Icfg 10.93/5.64 6 locations, 7 edges 10.93/5.64 - StatisticsResult: Encoded RCFG 10.93/5.64 2 locations, 2 edges 10.93/5.64 * Results from de.uni_freiburg.informatik.ultimate.core: 10.93/5.64 - StatisticsResult: Toolchain Benchmarks 10.93/5.64 Benchmark results are: 10.93/5.64 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.93/5.64 * CACSL2BoogieTranslator took 231.79 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 548.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 10.93/5.64 * Boogie Procedure Inliner took 95.23 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 548.9 MB in the beginning and 642.1 MB in the end (delta: -93.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 10.93/5.64 * Boogie Preprocessor took 19.47 ms. Allocated memory is still 677.4 MB. Free memory is still 640.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 10.93/5.64 * RCFGBuilder took 189.35 ms. Allocated memory is still 677.4 MB. Free memory was 640.8 MB in the beginning and 627.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 10.93/5.64 * BlockEncodingV2 took 69.76 ms. Allocated memory is still 677.4 MB. Free memory was 627.9 MB in the beginning and 622.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 10.93/5.64 * TraceAbstraction took 154.94 ms. Allocated memory is still 677.4 MB. Free memory was 622.5 MB in the beginning and 614.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 10.93/5.64 * BuchiAutomizer took 263.74 ms. Allocated memory is still 677.4 MB. Free memory was 613.0 MB in the beginning and 592.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 10.93/5.64 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 10.93/5.64 - AllSpecificationsHoldResult: All specifications hold 10.93/5.64 We were not able to verify any specifiation because the program does not contain any specification. 10.93/5.64 - InvariantResult [Line: 26]: Loop Invariant 10.93/5.64 Derived loop invariant: 1 10.93/5.64 - StatisticsResult: Ultimate Automizer benchmark data 10.93/5.64 CFG has 1 procedures, 2 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=2occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 10.93/5.64 - StatisticsResult: Constructed decomposition of program 10.93/5.64 Trivial decomposition into one nonterminating module. 10.93/5.64 - StatisticsResult: Timing statistics 10.93/5.64 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 10.93/5.64 - TerminationAnalysisResult: Nontermination possible 10.93/5.64 Buchi Automizer proved that your program is nonterminating for some inputs 10.93/5.64 - FixpointNonTerminationResult [Line: 26]: Nontermination argument in form of an infinite program execution. 10.93/5.64 Nontermination argument in form of an infinite execution 10.93/5.64 State at position 0 is 10.93/5.64 {} 10.93/5.64 State at position 1 is 10.93/5.64 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50db23f0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a8aea55=0, x=-1, y=0} 10.93/5.64 - StatisticsResult: NonterminationArgumentStatistics 10.93/5.64 Fixpoint 10.93/5.64 - NonterminatingLassoResult [Line: 26]: Nonterminating execution 10.93/5.64 Found a nonterminating execution for the following lasso shaped sequence of statements. 10.93/5.64 Stem: 10.93/5.64 [L23] int x, y; 10.93/5.64 [L24] x = __VERIFIER_nondet_int() 10.93/5.64 [L25] y = __VERIFIER_nondet_int() 10.93/5.64 Loop: 10.93/5.64 [L26] COND TRUE x < y 10.93/5.64 [L27] x = x + y 10.93/5.64 [L28] y = -2*y 10.93/5.64 End of lasso representation. 10.93/5.64 RESULT: Ultimate proved your program to be incorrect! 10.93/5.64 !SESSION 2019-03-29 01:39:27.683 ----------------------------------------------- 10.93/5.64 eclipse.buildId=unknown 10.93/5.64 java.version=1.8.0_181 10.93/5.64 java.vendor=Oracle Corporation 10.93/5.64 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 10.93/5.64 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 10.93/5.64 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 10.93/5.64 10.93/5.64 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:39:32.170 10.93/5.64 !MESSAGE The workspace will exit with unsaved changes in this session. 10.93/5.64 Received shutdown request... 10.93/5.64 Ultimate: 10.93/5.64 GTK+ Version Check 10.93/5.64 EOF