11.56/5.49 NO 11.56/5.49 11.56/5.49 Ultimate: Cannot open display: 11.56/5.49 This is Ultimate 0.1.24-8dc7c08-m 11.56/5.49 [2019-03-29 02:04:30,923 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.56/5.49 [2019-03-29 02:04:30,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.56/5.49 [2019-03-29 02:04:30,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.56/5.49 [2019-03-29 02:04:30,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.56/5.49 [2019-03-29 02:04:30,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.56/5.49 [2019-03-29 02:04:30,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.56/5.49 [2019-03-29 02:04:30,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.56/5.49 [2019-03-29 02:04:30,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.56/5.49 [2019-03-29 02:04:30,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.56/5.49 [2019-03-29 02:04:30,945 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.56/5.49 [2019-03-29 02:04:30,946 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.56/5.49 [2019-03-29 02:04:30,947 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.56/5.49 [2019-03-29 02:04:30,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.56/5.49 [2019-03-29 02:04:30,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.56/5.49 [2019-03-29 02:04:30,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.56/5.49 [2019-03-29 02:04:30,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.56/5.49 [2019-03-29 02:04:30,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.56/5.49 [2019-03-29 02:04:30,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.56/5.49 [2019-03-29 02:04:30,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.56/5.49 [2019-03-29 02:04:30,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.56/5.49 [2019-03-29 02:04:30,959 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.56/5.49 [2019-03-29 02:04:30,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.56/5.49 [2019-03-29 02:04:30,960 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.56/5.49 [2019-03-29 02:04:30,961 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.56/5.49 [2019-03-29 02:04:30,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.56/5.49 [2019-03-29 02:04:30,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.56/5.49 [2019-03-29 02:04:30,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.56/5.49 [2019-03-29 02:04:30,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.56/5.49 [2019-03-29 02:04:30,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.56/5.49 [2019-03-29 02:04:30,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.56/5.49 [2019-03-29 02:04:30,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.56/5.49 [2019-03-29 02:04:30,966 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 11.56/5.49 [2019-03-29 02:04:30,981 INFO L110 SettingsManager]: Loading preferences was successful 11.56/5.49 [2019-03-29 02:04:30,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.56/5.49 [2019-03-29 02:04:30,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.56/5.49 [2019-03-29 02:04:30,982 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.56/5.49 [2019-03-29 02:04:30,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.56/5.49 [2019-03-29 02:04:30,983 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.56/5.49 [2019-03-29 02:04:30,983 INFO L133 SettingsManager]: * Use SBE=true 11.56/5.49 [2019-03-29 02:04:30,983 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.56/5.49 [2019-03-29 02:04:30,983 INFO L133 SettingsManager]: * Use old map elimination=false 11.56/5.49 [2019-03-29 02:04:30,983 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.56/5.49 [2019-03-29 02:04:30,983 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.56/5.49 [2019-03-29 02:04:30,984 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.56/5.49 [2019-03-29 02:04:30,984 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.56/5.49 [2019-03-29 02:04:30,984 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.56/5.49 [2019-03-29 02:04:30,984 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.56/5.49 [2019-03-29 02:04:30,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.56/5.49 [2019-03-29 02:04:30,984 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.56/5.49 [2019-03-29 02:04:30,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.56/5.49 [2019-03-29 02:04:30,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.56/5.49 [2019-03-29 02:04:30,985 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.56/5.49 [2019-03-29 02:04:30,985 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.56/5.49 [2019-03-29 02:04:30,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.56/5.49 [2019-03-29 02:04:30,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.56/5.49 [2019-03-29 02:04:30,986 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.56/5.49 [2019-03-29 02:04:30,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.56/5.49 [2019-03-29 02:04:30,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.56/5.49 [2019-03-29 02:04:30,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.56/5.49 [2019-03-29 02:04:30,986 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.56/5.49 [2019-03-29 02:04:30,986 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.56/5.49 [2019-03-29 02:04:31,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.56/5.49 [2019-03-29 02:04:31,025 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.56/5.49 [2019-03-29 02:04:31,028 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.56/5.49 [2019-03-29 02:04:31,030 INFO L271 PluginConnector]: Initializing CDTParser... 11.56/5.49 [2019-03-29 02:04:31,030 INFO L276 PluginConnector]: CDTParser initialized 11.56/5.49 [2019-03-29 02:04:31,031 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 11.56/5.49 [2019-03-29 02:04:31,094 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/e251d43c0e684e349767f906d29ba743/FLAG531626ffa 11.56/5.49 [2019-03-29 02:04:31,431 INFO L307 CDTParser]: Found 1 translation units. 11.56/5.49 [2019-03-29 02:04:31,431 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 11.56/5.49 [2019-03-29 02:04:31,438 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/e251d43c0e684e349767f906d29ba743/FLAG531626ffa 11.56/5.49 [2019-03-29 02:04:31,831 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/e251d43c0e684e349767f906d29ba743 11.56/5.49 [2019-03-29 02:04:31,842 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.56/5.49 [2019-03-29 02:04:31,844 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.56/5.49 [2019-03-29 02:04:31,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.56/5.49 [2019-03-29 02:04:31,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.56/5.49 [2019-03-29 02:04:31,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.56/5.49 [2019-03-29 02:04:31,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:04:31" (1/1) ... 11.56/5.49 [2019-03-29 02:04:31,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6032bd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:31, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:31,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:04:31" (1/1) ... 11.56/5.49 [2019-03-29 02:04:31,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.56/5.49 [2019-03-29 02:04:31,877 INFO L176 MainTranslator]: Built tables and reachable declarations 11.56/5.49 [2019-03-29 02:04:32,031 INFO L206 PostProcessor]: Analyzing one entry point: main 11.56/5.49 [2019-03-29 02:04:32,036 INFO L191 MainTranslator]: Completed pre-run 11.56/5.49 [2019-03-29 02:04:32,052 INFO L206 PostProcessor]: Analyzing one entry point: main 11.56/5.49 [2019-03-29 02:04:32,067 INFO L195 MainTranslator]: Completed translation 11.56/5.49 [2019-03-29 02:04:32,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32 WrapperNode 11.56/5.49 [2019-03-29 02:04:32,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.56/5.49 [2019-03-29 02:04:32,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.56/5.49 [2019-03-29 02:04:32,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.56/5.49 [2019-03-29 02:04:32,069 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.56/5.49 [2019-03-29 02:04:32,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.56/5.49 [2019-03-29 02:04:32,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.56/5.49 [2019-03-29 02:04:32,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.56/5.49 [2019-03-29 02:04:32,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.56/5.49 [2019-03-29 02:04:32,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.56/5.49 [2019-03-29 02:04:32,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.56/5.49 [2019-03-29 02:04:32,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.56/5.49 [2019-03-29 02:04:32,186 INFO L276 PluginConnector]: RCFGBuilder initialized 11.56/5.49 [2019-03-29 02:04:32,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (1/1) ... 11.56/5.49 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.56/5.49 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.56/5.49 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.56/5.49 [2019-03-29 02:04:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.56/5.49 [2019-03-29 02:04:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.56/5.49 [2019-03-29 02:04:32,383 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.56/5.49 [2019-03-29 02:04:32,384 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.56/5.49 [2019-03-29 02:04:32,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:32 BoogieIcfgContainer 11.56/5.49 [2019-03-29 02:04:32,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.56/5.49 [2019-03-29 02:04:32,386 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.56/5.49 [2019-03-29 02:04:32,386 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.56/5.49 [2019-03-29 02:04:32,388 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.56/5.49 [2019-03-29 02:04:32,389 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:32" (1/1) ... 11.56/5.49 [2019-03-29 02:04:32,405 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 11.56/5.49 [2019-03-29 02:04:32,406 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.56/5.49 [2019-03-29 02:04:32,407 INFO L263 BlockEncoder]: Using Maximize final states 11.56/5.49 [2019-03-29 02:04:32,408 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.56/5.49 [2019-03-29 02:04:32,408 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.56/5.49 [2019-03-29 02:04:32,411 INFO L296 BlockEncoder]: Using Remove sink states 11.56/5.49 [2019-03-29 02:04:32,412 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.56/5.49 [2019-03-29 02:04:32,413 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.56/5.49 [2019-03-29 02:04:32,428 INFO L185 BlockEncoder]: Using Use SBE 11.56/5.49 [2019-03-29 02:04:32,442 INFO L200 BlockEncoder]: SBE split 1 edges 11.56/5.49 [2019-03-29 02:04:32,447 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 11.56/5.49 [2019-03-29 02:04:32,449 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.56/5.49 [2019-03-29 02:04:32,464 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.56/5.49 [2019-03-29 02:04:32,467 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 11.56/5.49 [2019-03-29 02:04:32,468 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.56/5.49 [2019-03-29 02:04:32,468 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.56/5.49 [2019-03-29 02:04:32,468 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.56/5.49 [2019-03-29 02:04:32,469 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.56/5.49 [2019-03-29 02:04:32,469 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.56/5.49 [2019-03-29 02:04:32,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:32 BasicIcfg 11.56/5.49 [2019-03-29 02:04:32,470 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.56/5.49 [2019-03-29 02:04:32,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.56/5.49 [2019-03-29 02:04:32,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.56/5.49 [2019-03-29 02:04:32,474 INFO L276 PluginConnector]: TraceAbstraction initialized 11.56/5.49 [2019-03-29 02:04:32,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:04:31" (1/4) ... 11.56/5.49 [2019-03-29 02:04:32,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3032c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (2/4) ... 11.56/5.49 [2019-03-29 02:04:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3032c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:32" (3/4) ... 11.56/5.49 [2019-03-29 02:04:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3032c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:32" (4/4) ... 11.56/5.49 [2019-03-29 02:04:32,478 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.56/5.49 [2019-03-29 02:04:32,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.56/5.49 [2019-03-29 02:04:32,495 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.56/5.49 [2019-03-29 02:04:32,512 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.56/5.49 [2019-03-29 02:04:32,542 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.56/5.49 [2019-03-29 02:04:32,542 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.56/5.49 [2019-03-29 02:04:32,543 INFO L383 AbstractCegarLoop]: Hoare is true 11.56/5.49 [2019-03-29 02:04:32,543 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.56/5.49 [2019-03-29 02:04:32,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.56/5.49 [2019-03-29 02:04:32,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.56/5.49 [2019-03-29 02:04:32,543 INFO L387 AbstractCegarLoop]: Difference is false 11.56/5.49 [2019-03-29 02:04:32,544 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.56/5.49 [2019-03-29 02:04:32,544 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.56/5.49 [2019-03-29 02:04:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.56/5.49 [2019-03-29 02:04:32,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.56/5.49 [2019-03-29 02:04:32,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.56/5.49 [2019-03-29 02:04:32,615 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.56/5.49 [2019-03-29 02:04:32,615 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 28) the Hoare annotation is: true 11.56/5.49 [2019-03-29 02:04:32,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:32 BasicIcfg 11.56/5.49 [2019-03-29 02:04:32,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.56/5.49 [2019-03-29 02:04:32,624 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.56/5.49 [2019-03-29 02:04:32,624 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.56/5.49 [2019-03-29 02:04:32,627 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.56/5.49 [2019-03-29 02:04:32,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.56/5.49 [2019-03-29 02:04:32,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:04:31" (1/5) ... 11.56/5.49 [2019-03-29 02:04:32,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec5c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.56/5.49 [2019-03-29 02:04:32,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:32" (2/5) ... 11.56/5.49 [2019-03-29 02:04:32,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec5c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.56/5.49 [2019-03-29 02:04:32,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:32" (3/5) ... 11.56/5.49 [2019-03-29 02:04:32,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec5c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,631 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.56/5.49 [2019-03-29 02:04:32,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:32" (4/5) ... 11.56/5.49 [2019-03-29 02:04:32,632 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec5c132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:32, skipping insertion in model container 11.56/5.49 [2019-03-29 02:04:32,632 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.56/5.49 [2019-03-29 02:04:32,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:32" (5/5) ... 11.56/5.49 [2019-03-29 02:04:32,633 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.56/5.49 [2019-03-29 02:04:32,660 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.56/5.49 [2019-03-29 02:04:32,660 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.56/5.49 [2019-03-29 02:04:32,660 INFO L375 BuchiCegarLoop]: Hoare is true 11.56/5.49 [2019-03-29 02:04:32,661 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.56/5.49 [2019-03-29 02:04:32,661 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.56/5.49 [2019-03-29 02:04:32,661 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.56/5.49 [2019-03-29 02:04:32,661 INFO L379 BuchiCegarLoop]: Difference is false 11.56/5.49 [2019-03-29 02:04:32,661 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.56/5.49 [2019-03-29 02:04:32,662 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.56/5.49 [2019-03-29 02:04:32,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.56/5.49 [2019-03-29 02:04:32,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.56/5.49 [2019-03-29 02:04:32,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.56/5.49 [2019-03-29 02:04:32,683 INFO L119 BuchiIsEmpty]: Starting construction of run 11.56/5.49 [2019-03-29 02:04:32,688 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.56/5.49 [2019-03-29 02:04:32,688 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.56/5.49 [2019-03-29 02:04:32,689 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.56/5.49 [2019-03-29 02:04:32,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.56/5.49 [2019-03-29 02:04:32,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.56/5.49 [2019-03-29 02:04:32,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.56/5.49 [2019-03-29 02:04:32,690 INFO L119 BuchiIsEmpty]: Starting construction of run 11.56/5.49 [2019-03-29 02:04:32,690 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.56/5.49 [2019-03-29 02:04:32,690 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.56/5.49 [2019-03-29 02:04:32,695 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 11.56/5.49 [2019-03-29 02:04:32,695 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [23] L26-2-->L26-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~x~0_7 (+ (* 10 v_ULTIMATE.start_main_~y~0_7) (* (- 2) v_ULTIMATE.start_main_~x~0_8))) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, 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_~x~0] 4#L26-2true 11.56/5.49 [2019-03-29 02:04:32,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.56/5.49 [2019-03-29 02:04:32,701 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 11.56/5.49 [2019-03-29 02:04:32,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.56/5.49 [2019-03-29 02:04:32,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.56/5.49 [2019-03-29 02:04:32,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.56/5.49 [2019-03-29 02:04:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times 11.56/5.49 [2019-03-29 02:04:32,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.56/5.49 [2019-03-29 02:04:32,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.56/5.49 [2019-03-29 02:04:32,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.56/5.49 [2019-03-29 02:04:32,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times 11.56/5.49 [2019-03-29 02:04:32,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.56/5.49 [2019-03-29 02:04:32,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.56/5.49 [2019-03-29 02:04:32,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.56/5.49 [2019-03-29 02:04:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.56/5.49 [2019-03-29 02:04:32,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:32 BasicIcfg 11.56/5.49 [2019-03-29 02:04:32,891 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.56/5.49 [2019-03-29 02:04:32,892 INFO L168 Benchmark]: Toolchain (without parser) took 1048.89 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 559.4 MB in the beginning and 600.9 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,893 INFO L168 Benchmark]: CDTParser took 0.15 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. 11.56/5.49 [2019-03-29 02:04:32,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.98 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.30 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 549.7 MB in the beginning and 652.0 MB in the end (delta: -102.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,895 INFO L168 Benchmark]: Boogie Preprocessor took 20.12 ms. Allocated memory is still 685.2 MB. Free memory was 652.0 MB in the beginning and 649.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,896 INFO L168 Benchmark]: RCFGBuilder took 200.13 ms. Allocated memory is still 685.2 MB. Free memory was 649.2 MB in the beginning and 636.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,897 INFO L168 Benchmark]: BlockEncodingV2 took 83.89 ms. Allocated memory is still 685.2 MB. Free memory was 636.8 MB in the beginning and 630.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,897 INFO L168 Benchmark]: TraceAbstraction took 153.14 ms. Allocated memory is still 685.2 MB. Free memory was 630.1 MB in the beginning and 621.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,898 INFO L168 Benchmark]: BuchiAutomizer took 267.02 ms. Allocated memory is still 685.2 MB. Free memory was 621.4 MB in the beginning and 600.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 11.56/5.49 [2019-03-29 02:04:32,904 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.56/5.49 --- Results --- 11.56/5.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.56/5.49 - StatisticsResult: Initial Icfg 11.56/5.49 6 locations, 7 edges 11.56/5.49 - StatisticsResult: Encoded RCFG 11.56/5.49 2 locations, 2 edges 11.56/5.49 * Results from de.uni_freiburg.informatik.ultimate.core: 11.56/5.49 - StatisticsResult: Toolchain Benchmarks 11.56/5.49 Benchmark results are: 11.56/5.49 * CDTParser took 0.15 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. 11.56/5.49 * CACSL2BoogieTranslator took 222.98 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.56/5.49 * Boogie Procedure Inliner took 96.30 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 549.7 MB in the beginning and 652.0 MB in the end (delta: -102.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.56/5.49 * Boogie Preprocessor took 20.12 ms. Allocated memory is still 685.2 MB. Free memory was 652.0 MB in the beginning and 649.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.56/5.49 * RCFGBuilder took 200.13 ms. Allocated memory is still 685.2 MB. Free memory was 649.2 MB in the beginning and 636.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.56/5.49 * BlockEncodingV2 took 83.89 ms. Allocated memory is still 685.2 MB. Free memory was 636.8 MB in the beginning and 630.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 11.56/5.49 * TraceAbstraction took 153.14 ms. Allocated memory is still 685.2 MB. Free memory was 630.1 MB in the beginning and 621.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 11.56/5.49 * BuchiAutomizer took 267.02 ms. Allocated memory is still 685.2 MB. Free memory was 621.4 MB in the beginning and 600.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 11.56/5.49 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.56/5.49 - AllSpecificationsHoldResult: All specifications hold 11.56/5.49 We were not able to verify any specifiation because the program does not contain any specification. 11.56/5.49 - InvariantResult [Line: 26]: Loop Invariant 11.56/5.49 Derived loop invariant: 1 11.56/5.49 - StatisticsResult: Ultimate Automizer benchmark data 11.56/5.49 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 11.56/5.49 - StatisticsResult: Constructed decomposition of program 11.56/5.49 Trivial decomposition into one nonterminating module. 11.56/5.49 - StatisticsResult: Timing statistics 11.56/5.49 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 11.56/5.49 - TerminationAnalysisResult: Nontermination possible 11.56/5.49 Buchi Automizer proved that your program is nonterminating for some inputs 11.56/5.49 - FixpointNonTerminationResult [Line: 26]: Nontermination argument in form of an infinite program execution. 11.56/5.49 Nontermination argument in form of an infinite execution 11.56/5.49 State at position 0 is 11.56/5.49 {} 11.56/5.49 State at position 1 is 11.56/5.49 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@707e7064=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f2d006a=0, x=10, y=3} 11.56/5.49 - StatisticsResult: NonterminationArgumentStatistics 11.56/5.49 Fixpoint 11.56/5.49 - NonterminatingLassoResult [Line: 26]: Nonterminating execution 11.56/5.49 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.56/5.49 Stem: 11.56/5.49 [L23] int x, y; 11.56/5.49 [L24] x = __VERIFIER_nondet_int() 11.56/5.49 [L25] y = __VERIFIER_nondet_int() 11.56/5.49 Loop: 11.56/5.49 [L26] COND TRUE x > 0 && y > 0 11.56/5.49 [L27] x = 10*y - 2*x 11.56/5.49 End of lasso representation. 11.56/5.49 RESULT: Ultimate proved your program to be incorrect! 11.56/5.49 !SESSION 2019-03-29 02:04:28.617 ----------------------------------------------- 11.56/5.49 eclipse.buildId=unknown 11.56/5.49 java.version=1.8.0_181 11.56/5.49 java.vendor=Oracle Corporation 11.56/5.49 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.56/5.49 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.56/5.49 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.56/5.49 11.56/5.49 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:04:33.140 11.56/5.49 !MESSAGE The workspace will exit with unsaved changes in this session. 11.56/5.49 Received shutdown request... 11.56/5.49 Ultimate: 11.56/5.49 GTK+ Version Check 11.56/5.49 EOF