11.87/5.80 NO 11.87/5.80 11.87/5.80 Ultimate: Cannot open display: 11.87/5.80 This is Ultimate 0.1.24-8dc7c08-m 11.87/5.80 [2019-03-28 12:32:30,319 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.87/5.80 [2019-03-28 12:32:30,321 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.87/5.80 [2019-03-28 12:32:30,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.87/5.80 [2019-03-28 12:32:30,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.87/5.80 [2019-03-28 12:32:30,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.87/5.80 [2019-03-28 12:32:30,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.87/5.80 [2019-03-28 12:32:30,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.87/5.80 [2019-03-28 12:32:30,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.87/5.80 [2019-03-28 12:32:30,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.87/5.80 [2019-03-28 12:32:30,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.87/5.80 [2019-03-28 12:32:30,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.87/5.80 [2019-03-28 12:32:30,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.87/5.80 [2019-03-28 12:32:30,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.87/5.80 [2019-03-28 12:32:30,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.87/5.80 [2019-03-28 12:32:30,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.87/5.80 [2019-03-28 12:32:30,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.87/5.80 [2019-03-28 12:32:30,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.87/5.80 [2019-03-28 12:32:30,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.87/5.80 [2019-03-28 12:32:30,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.87/5.80 [2019-03-28 12:32:30,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.87/5.80 [2019-03-28 12:32:30,356 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.87/5.80 [2019-03-28 12:32:30,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.87/5.80 [2019-03-28 12:32:30,357 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.87/5.80 [2019-03-28 12:32:30,358 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.87/5.80 [2019-03-28 12:32:30,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.87/5.80 [2019-03-28 12:32:30,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.87/5.80 [2019-03-28 12:32:30,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.87/5.80 [2019-03-28 12:32:30,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.87/5.80 [2019-03-28 12:32:30,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.87/5.80 [2019-03-28 12:32:30,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.87/5.80 [2019-03-28 12:32:30,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.87/5.80 [2019-03-28 12:32:30,364 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.87/5.80 [2019-03-28 12:32:30,379 INFO L110 SettingsManager]: Loading preferences was successful 11.87/5.80 [2019-03-28 12:32:30,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.87/5.80 [2019-03-28 12:32:30,381 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.87/5.80 [2019-03-28 12:32:30,381 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.87/5.80 [2019-03-28 12:32:30,381 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.87/5.80 [2019-03-28 12:32:30,381 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.87/5.80 [2019-03-28 12:32:30,381 INFO L133 SettingsManager]: * Use SBE=true 11.87/5.80 [2019-03-28 12:32:30,382 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.87/5.80 [2019-03-28 12:32:30,382 INFO L133 SettingsManager]: * Use old map elimination=false 11.87/5.80 [2019-03-28 12:32:30,382 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.87/5.80 [2019-03-28 12:32:30,382 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.87/5.80 [2019-03-28 12:32:30,382 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.87/5.80 [2019-03-28 12:32:30,382 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.87/5.80 [2019-03-28 12:32:30,383 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.87/5.80 [2019-03-28 12:32:30,383 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.87/5.80 [2019-03-28 12:32:30,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.87/5.80 [2019-03-28 12:32:30,383 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.87/5.80 [2019-03-28 12:32:30,383 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.87/5.80 [2019-03-28 12:32:30,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.87/5.80 [2019-03-28 12:32:30,384 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.87/5.80 [2019-03-28 12:32:30,384 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.87/5.80 [2019-03-28 12:32:30,384 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.87/5.80 [2019-03-28 12:32:30,384 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.87/5.80 [2019-03-28 12:32:30,384 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.87/5.80 [2019-03-28 12:32:30,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.87/5.80 [2019-03-28 12:32:30,385 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.87/5.80 [2019-03-28 12:32:30,385 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.87/5.80 [2019-03-28 12:32:30,385 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.87/5.80 [2019-03-28 12:32:30,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.87/5.80 [2019-03-28 12:32:30,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.87/5.80 [2019-03-28 12:32:30,426 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.87/5.80 [2019-03-28 12:32:30,430 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.87/5.80 [2019-03-28 12:32:30,431 INFO L271 PluginConnector]: Initializing CDTParser... 11.87/5.80 [2019-03-28 12:32:30,431 INFO L276 PluginConnector]: CDTParser initialized 11.87/5.80 [2019-03-28 12:32:30,432 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.87/5.80 [2019-03-28 12:32:30,502 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/2c37fcaa18c14b1ebe80e1f705cc648e/FLAG98c3f8b79 11.87/5.80 [2019-03-28 12:32:30,864 INFO L307 CDTParser]: Found 1 translation units. 11.87/5.80 [2019-03-28 12:32:30,865 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.87/5.80 [2019-03-28 12:32:30,871 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/2c37fcaa18c14b1ebe80e1f705cc648e/FLAG98c3f8b79 11.87/5.80 [2019-03-28 12:32:31,296 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/2c37fcaa18c14b1ebe80e1f705cc648e 11.87/5.80 [2019-03-28 12:32:31,307 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.87/5.80 [2019-03-28 12:32:31,309 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.87/5.80 [2019-03-28 12:32:31,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.87/5.80 [2019-03-28 12:32:31,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.87/5.80 [2019-03-28 12:32:31,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.87/5.80 [2019-03-28 12:32:31,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2afbb762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:31,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.87/5.80 [2019-03-28 12:32:31,342 INFO L176 MainTranslator]: Built tables and reachable declarations 11.87/5.80 [2019-03-28 12:32:31,499 INFO L206 PostProcessor]: Analyzing one entry point: main 11.87/5.80 [2019-03-28 12:32:31,504 INFO L191 MainTranslator]: Completed pre-run 11.87/5.80 [2019-03-28 12:32:31,519 INFO L206 PostProcessor]: Analyzing one entry point: main 11.87/5.80 [2019-03-28 12:32:31,534 INFO L195 MainTranslator]: Completed translation 11.87/5.80 [2019-03-28 12:32:31,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31 WrapperNode 11.87/5.80 [2019-03-28 12:32:31,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.87/5.80 [2019-03-28 12:32:31,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.87/5.80 [2019-03-28 12:32:31,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.87/5.80 [2019-03-28 12:32:31,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.87/5.80 [2019-03-28 12:32:31,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.87/5.80 [2019-03-28 12:32:31,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.87/5.80 [2019-03-28 12:32:31,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.87/5.80 [2019-03-28 12:32:31,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.87/5.80 [2019-03-28 12:32:31,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.87/5.80 [2019-03-28 12:32:31,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.87/5.80 [2019-03-28 12:32:31,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.87/5.80 [2019-03-28 12:32:31,653 INFO L276 PluginConnector]: RCFGBuilder initialized 11.87/5.80 [2019-03-28 12:32:31,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (1/1) ... 11.87/5.80 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.87/5.80 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.87/5.80 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.87/5.80 [2019-03-28 12:32:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.87/5.80 [2019-03-28 12:32:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.87/5.80 [2019-03-28 12:32:31,837 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.87/5.80 [2019-03-28 12:32:31,838 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 11.87/5.80 [2019-03-28 12:32:31,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:31 BoogieIcfgContainer 11.87/5.80 [2019-03-28 12:32:31,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.87/5.80 [2019-03-28 12:32:31,840 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.87/5.80 [2019-03-28 12:32:31,840 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.87/5.80 [2019-03-28 12:32:31,842 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.87/5.80 [2019-03-28 12:32:31,843 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:31" (1/1) ... 11.87/5.80 [2019-03-28 12:32:31,858 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 11.87/5.80 [2019-03-28 12:32:31,860 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.87/5.80 [2019-03-28 12:32:31,860 INFO L263 BlockEncoder]: Using Maximize final states 11.87/5.80 [2019-03-28 12:32:31,861 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.87/5.80 [2019-03-28 12:32:31,861 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.87/5.80 [2019-03-28 12:32:31,863 INFO L296 BlockEncoder]: Using Remove sink states 11.87/5.80 [2019-03-28 12:32:31,864 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.87/5.80 [2019-03-28 12:32:31,864 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.87/5.80 [2019-03-28 12:32:31,878 INFO L185 BlockEncoder]: Using Use SBE 11.87/5.80 [2019-03-28 12:32:31,886 INFO L200 BlockEncoder]: SBE split 0 edges 11.87/5.80 [2019-03-28 12:32:31,891 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility 11.87/5.80 [2019-03-28 12:32:31,893 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.87/5.80 [2019-03-28 12:32:31,895 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.87/5.80 [2019-03-28 12:32:31,897 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.87/5.80 [2019-03-28 12:32:31,899 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.87/5.80 [2019-03-28 12:32:31,899 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.87/5.80 [2019-03-28 12:32:31,899 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.87/5.80 [2019-03-28 12:32:31,900 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.87/5.80 [2019-03-28 12:32:31,900 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 11.87/5.80 [2019-03-28 12:32:31,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:31 BasicIcfg 11.87/5.80 [2019-03-28 12:32:31,901 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.87/5.80 [2019-03-28 12:32:31,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.87/5.80 [2019-03-28 12:32:31,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.87/5.80 [2019-03-28 12:32:31,905 INFO L276 PluginConnector]: TraceAbstraction initialized 11.87/5.80 [2019-03-28 12:32:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:32:31" (1/4) ... 11.87/5.80 [2019-03-28 12:32:31,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7429ed18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:31, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:31,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (2/4) ... 11.87/5.80 [2019-03-28 12:32:31,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7429ed18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:32:31, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:31,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:31" (3/4) ... 11.87/5.80 [2019-03-28 12:32:31,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7429ed18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:31, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:31,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:31" (4/4) ... 11.87/5.80 [2019-03-28 12:32:31,910 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.87/5.80 [2019-03-28 12:32:31,922 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.87/5.80 [2019-03-28 12:32:31,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.87/5.80 [2019-03-28 12:32:31,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.87/5.80 [2019-03-28 12:32:31,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.87/5.80 [2019-03-28 12:32:31,982 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.87/5.80 [2019-03-28 12:32:31,982 INFO L383 AbstractCegarLoop]: Hoare is true 11.87/5.80 [2019-03-28 12:32:31,983 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.87/5.80 [2019-03-28 12:32:31,983 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.87/5.80 [2019-03-28 12:32:31,983 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.87/5.80 [2019-03-28 12:32:31,983 INFO L387 AbstractCegarLoop]: Difference is false 11.87/5.80 [2019-03-28 12:32:31,983 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.87/5.80 [2019-03-28 12:32:31,983 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.87/5.80 [2019-03-28 12:32:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 11.87/5.80 [2019-03-28 12:32:32,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.87/5.80 [2019-03-28 12:32:32,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 11.87/5.80 [2019-03-28 12:32:32,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.87/5.80 [2019-03-28 12:32:32,066 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: true 11.87/5.80 [2019-03-28 12:32:32,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:32 BasicIcfg 11.87/5.80 [2019-03-28 12:32:32,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.87/5.80 [2019-03-28 12:32:32,074 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.87/5.80 [2019-03-28 12:32:32,074 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.87/5.80 [2019-03-28 12:32:32,077 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.87/5.80 [2019-03-28 12:32:32,078 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.87/5.80 [2019-03-28 12:32:32,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:32:31" (1/5) ... 11.87/5.80 [2019-03-28 12:32:32,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6981c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:32, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:32,079 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.87/5.80 [2019-03-28 12:32:32,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:32:31" (2/5) ... 11.87/5.80 [2019-03-28 12:32:32,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6981c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:32:32, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:32,080 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.87/5.80 [2019-03-28 12:32:32,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:32:31" (3/5) ... 11.87/5.80 [2019-03-28 12:32:32,081 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6981c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:32,081 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.87/5.80 [2019-03-28 12:32:32,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:32:31" (4/5) ... 11.87/5.80 [2019-03-28 12:32:32,081 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6981c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32, skipping insertion in model container 11.87/5.80 [2019-03-28 12:32:32,081 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.87/5.80 [2019-03-28 12:32:32,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:32:32" (5/5) ... 11.87/5.80 [2019-03-28 12:32:32,083 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.87/5.80 [2019-03-28 12:32:32,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.87/5.80 [2019-03-28 12:32:32,110 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.87/5.80 [2019-03-28 12:32:32,111 INFO L375 BuchiCegarLoop]: Hoare is true 11.87/5.80 [2019-03-28 12:32:32,111 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.87/5.80 [2019-03-28 12:32:32,111 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.87/5.80 [2019-03-28 12:32:32,111 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.87/5.80 [2019-03-28 12:32:32,111 INFO L379 BuchiCegarLoop]: Difference is false 11.87/5.80 [2019-03-28 12:32:32,112 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.87/5.80 [2019-03-28 12:32:32,112 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.87/5.80 [2019-03-28 12:32:32,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.87/5.80 [2019-03-28 12:32:32,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.87/5.80 [2019-03-28 12:32:32,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.87/5.80 [2019-03-28 12:32:32,132 INFO L119 BuchiIsEmpty]: Starting construction of run 11.87/5.80 [2019-03-28 12:32:32,137 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.87/5.80 [2019-03-28 12:32:32,138 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.87/5.80 [2019-03-28 12:32:32,138 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.87/5.80 [2019-03-28 12:32:32,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 11.87/5.80 [2019-03-28 12:32:32,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 11.87/5.80 [2019-03-28 12:32:32,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.87/5.80 [2019-03-28 12:32:32,139 INFO L119 BuchiIsEmpty]: Starting construction of run 11.87/5.80 [2019-03-28 12:32:32,139 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 11.87/5.80 [2019-03-28 12:32:32,139 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 11.87/5.80 [2019-03-28 12:32:32,144 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L15-2true 11.87/5.80 [2019-03-28 12:32:32,144 INFO L796 eck$LassoCheckResult]: Loop: 4#L15-2true [22] L15-2-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_4 (- v_ULTIMATE.start_main_~y~0_5)) (= v_ULTIMATE.start_main_~old_x~0_2 v_ULTIMATE.start_main_~x~0_5) (= v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~old_x~0_2)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~old_x~0=v_ULTIMATE.start_main_~old_x~0_2, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~old_x~0, ULTIMATE.start_main_~x~0] 4#L15-2true 11.87/5.80 [2019-03-28 12:32:32,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.87/5.80 [2019-03-28 12:32:32,151 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 11.87/5.80 [2019-03-28 12:32:32,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.87/5.80 [2019-03-28 12:32:32,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.87/5.80 [2019-03-28 12:32:32,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.87/5.80 [2019-03-28 12:32:32,217 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 11.87/5.80 [2019-03-28 12:32:32,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.87/5.80 [2019-03-28 12:32:32,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.87/5.80 [2019-03-28 12:32:32,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.87/5.80 [2019-03-28 12:32:32,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 11.87/5.80 [2019-03-28 12:32:32,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.87/5.80 [2019-03-28 12:32:32,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.87/5.80 [2019-03-28 12:32:32,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.87/5.80 [2019-03-28 12:32:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.87/5.80 [2019-03-28 12:32:32,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:32:32 BasicIcfg 11.87/5.80 [2019-03-28 12:32:32,321 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.87/5.80 [2019-03-28 12:32:32,322 INFO L168 Benchmark]: Toolchain (without parser) took 1013.59 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 559.5 MB in the beginning and 581.1 MB in the end (delta: -21.6 MB). There was no memory consumed. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,323 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.65 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.10 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 548.7 MB in the beginning and 631.1 MB in the end (delta: -82.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,326 INFO L168 Benchmark]: Boogie Preprocessor took 20.11 ms. Allocated memory is still 664.3 MB. Free memory was 631.1 MB in the beginning and 628.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,326 INFO L168 Benchmark]: RCFGBuilder took 186.22 ms. Allocated memory is still 664.3 MB. Free memory was 628.2 MB in the beginning and 615.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,327 INFO L168 Benchmark]: BlockEncodingV2 took 61.21 ms. Allocated memory is still 664.3 MB. Free memory was 615.8 MB in the beginning and 612.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,328 INFO L168 Benchmark]: TraceAbstraction took 171.74 ms. Allocated memory is still 664.3 MB. Free memory was 611.5 MB in the beginning and 602.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,329 INFO L168 Benchmark]: BuchiAutomizer took 246.95 ms. Allocated memory is still 664.3 MB. Free memory was 602.7 MB in the beginning and 581.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 50.3 GB. 11.87/5.80 [2019-03-28 12:32:32,334 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.87/5.80 --- Results --- 11.87/5.80 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.87/5.80 - StatisticsResult: Initial Icfg 11.87/5.80 6 locations, 7 edges 11.87/5.80 - StatisticsResult: Encoded RCFG 11.87/5.80 2 locations, 2 edges 11.87/5.80 * Results from de.uni_freiburg.informatik.ultimate.core: 11.87/5.80 - StatisticsResult: Toolchain Benchmarks 11.87/5.80 Benchmark results are: 11.87/5.80 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 11.87/5.80 * CACSL2BoogieTranslator took 224.65 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 11.87/5.80 * Boogie Procedure Inliner took 97.10 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 548.7 MB in the beginning and 631.1 MB in the end (delta: -82.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 11.87/5.80 * Boogie Preprocessor took 20.11 ms. Allocated memory is still 664.3 MB. Free memory was 631.1 MB in the beginning and 628.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 11.87/5.80 * RCFGBuilder took 186.22 ms. Allocated memory is still 664.3 MB. Free memory was 628.2 MB in the beginning and 615.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. 11.87/5.80 * BlockEncodingV2 took 61.21 ms. Allocated memory is still 664.3 MB. Free memory was 615.8 MB in the beginning and 612.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. 11.87/5.80 * TraceAbstraction took 171.74 ms. Allocated memory is still 664.3 MB. Free memory was 611.5 MB in the beginning and 602.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.87/5.80 * BuchiAutomizer took 246.95 ms. Allocated memory is still 664.3 MB. Free memory was 602.7 MB in the beginning and 581.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 50.3 GB. 11.87/5.80 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.87/5.80 - AllSpecificationsHoldResult: All specifications hold 11.87/5.80 We were not able to verify any specifiation because the program does not contain any specification. 11.87/5.80 - InvariantResult [Line: 15]: Loop Invariant 11.87/5.80 Derived loop invariant: 1 11.87/5.80 - StatisticsResult: Ultimate Automizer benchmark data 11.87/5.80 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 11.87/5.80 - StatisticsResult: Constructed decomposition of program 11.87/5.80 Trivial decomposition into one nonterminating module. 11.87/5.80 - StatisticsResult: Timing statistics 11.87/5.80 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 11.87/5.80 - TerminationAnalysisResult: Nontermination possible 11.87/5.80 Buchi Automizer proved that your program is nonterminating for some inputs 11.87/5.80 - FixpointNonTerminationResult [Line: 15]: Nontermination argument in form of an infinite program execution. 11.87/5.80 Nontermination argument in form of an infinite execution 11.87/5.80 State at position 0 is 11.87/5.80 {} 11.87/5.80 State at position 1 is 11.87/5.80 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67113ea=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3224a4c9=0, old_x=0, x=0, y=0} 11.87/5.80 - StatisticsResult: NonterminationArgumentStatistics 11.87/5.80 Fixpoint 11.87/5.80 - NonterminatingLassoResult [Line: 15]: Nonterminating execution 11.87/5.80 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.87/5.80 Stem: 11.87/5.80 [L13] int x = __VERIFIER_nondet_int(); 11.87/5.80 [L14] int y = __VERIFIER_nondet_int(); 11.87/5.80 Loop: 11.87/5.80 [L15] COND TRUE 1 11.87/5.80 [L16] int old_x = x; 11.87/5.80 [L17] x = -y 11.87/5.80 [L18] y = old_x 11.87/5.80 End of lasso representation. 11.87/5.80 RESULT: Ultimate proved your program to be incorrect! 11.87/5.80 !SESSION 2019-03-28 12:32:28.004 ----------------------------------------------- 11.87/5.80 eclipse.buildId=unknown 11.87/5.80 java.version=1.8.0_181 11.87/5.80 java.vendor=Oracle Corporation 11.87/5.80 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.87/5.80 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.87/5.80 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 11.87/5.80 11.87/5.80 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:32:32.572 11.87/5.80 !MESSAGE The workspace will exit with unsaved changes in this session. 11.87/5.80 Received shutdown request... 11.87/5.80 Ultimate: 11.87/5.80 GTK+ Version Check 11.87/5.80 EOF