14.55/8.21 YES 14.55/8.21 14.55/8.21 Ultimate: Cannot open display: 14.55/8.21 This is Ultimate 0.1.24-8dc7c08-m 14.55/8.21 [2019-03-28 22:58:00,235 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.55/8.21 [2019-03-28 22:58:00,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.55/8.21 [2019-03-28 22:58:00,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.55/8.21 [2019-03-28 22:58:00,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.55/8.21 [2019-03-28 22:58:00,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.55/8.21 [2019-03-28 22:58:00,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.55/8.21 [2019-03-28 22:58:00,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.55/8.21 [2019-03-28 22:58:00,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.55/8.21 [2019-03-28 22:58:00,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.55/8.21 [2019-03-28 22:58:00,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.55/8.21 [2019-03-28 22:58:00,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.55/8.21 [2019-03-28 22:58:00,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.55/8.21 [2019-03-28 22:58:00,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.55/8.21 [2019-03-28 22:58:00,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.55/8.21 [2019-03-28 22:58:00,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.55/8.21 [2019-03-28 22:58:00,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.55/8.21 [2019-03-28 22:58:00,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.55/8.21 [2019-03-28 22:58:00,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.55/8.21 [2019-03-28 22:58:00,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.55/8.21 [2019-03-28 22:58:00,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.55/8.21 [2019-03-28 22:58:00,270 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.55/8.21 [2019-03-28 22:58:00,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.55/8.21 [2019-03-28 22:58:00,272 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.55/8.21 [2019-03-28 22:58:00,272 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.55/8.21 [2019-03-28 22:58:00,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.55/8.21 [2019-03-28 22:58:00,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.55/8.21 [2019-03-28 22:58:00,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.55/8.21 [2019-03-28 22:58:00,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.55/8.21 [2019-03-28 22:58:00,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.55/8.21 [2019-03-28 22:58:00,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.55/8.21 [2019-03-28 22:58:00,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.55/8.21 [2019-03-28 22:58:00,278 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.55/8.21 [2019-03-28 22:58:00,293 INFO L110 SettingsManager]: Loading preferences was successful 14.55/8.21 [2019-03-28 22:58:00,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.55/8.21 [2019-03-28 22:58:00,294 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.55/8.21 [2019-03-28 22:58:00,294 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.55/8.21 [2019-03-28 22:58:00,294 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.55/8.21 [2019-03-28 22:58:00,294 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.55/8.21 [2019-03-28 22:58:00,295 INFO L133 SettingsManager]: * Use SBE=true 14.55/8.21 [2019-03-28 22:58:00,295 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.55/8.21 [2019-03-28 22:58:00,295 INFO L133 SettingsManager]: * Use old map elimination=false 14.55/8.21 [2019-03-28 22:58:00,295 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.55/8.21 [2019-03-28 22:58:00,295 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.55/8.21 [2019-03-28 22:58:00,296 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.55/8.21 [2019-03-28 22:58:00,296 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.55/8.21 [2019-03-28 22:58:00,296 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.55/8.21 [2019-03-28 22:58:00,296 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:00,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.55/8.21 [2019-03-28 22:58:00,296 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.55/8.21 [2019-03-28 22:58:00,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.55/8.21 [2019-03-28 22:58:00,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.55/8.21 [2019-03-28 22:58:00,297 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.55/8.21 [2019-03-28 22:58:00,297 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.55/8.21 [2019-03-28 22:58:00,297 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.55/8.21 [2019-03-28 22:58:00,297 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.55/8.21 [2019-03-28 22:58:00,298 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.55/8.21 [2019-03-28 22:58:00,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.55/8.21 [2019-03-28 22:58:00,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.55/8.21 [2019-03-28 22:58:00,298 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.55/8.21 [2019-03-28 22:58:00,298 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.55/8.21 [2019-03-28 22:58:00,298 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.55/8.21 [2019-03-28 22:58:00,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.55/8.21 [2019-03-28 22:58:00,338 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.55/8.21 [2019-03-28 22:58:00,342 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.55/8.21 [2019-03-28 22:58:00,343 INFO L271 PluginConnector]: Initializing CDTParser... 14.55/8.21 [2019-03-28 22:58:00,344 INFO L276 PluginConnector]: CDTParser initialized 14.55/8.21 [2019-03-28 22:58:00,345 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.55/8.21 [2019-03-28 22:58:00,414 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/adb4fbaedf614cf69a08a05817556292/FLAG9daae657e 14.55/8.21 [2019-03-28 22:58:00,751 INFO L307 CDTParser]: Found 1 translation units. 14.55/8.21 [2019-03-28 22:58:00,752 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.55/8.21 [2019-03-28 22:58:00,759 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/adb4fbaedf614cf69a08a05817556292/FLAG9daae657e 14.55/8.21 [2019-03-28 22:58:01,162 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/adb4fbaedf614cf69a08a05817556292 14.55/8.21 [2019-03-28 22:58:01,174 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.55/8.21 [2019-03-28 22:58:01,175 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.55/8.21 [2019-03-28 22:58:01,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.55/8.21 [2019-03-28 22:58:01,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.55/8.21 [2019-03-28 22:58:01,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.55/8.21 [2019-03-28 22:58:01,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2729a177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.55/8.21 [2019-03-28 22:58:01,210 INFO L176 MainTranslator]: Built tables and reachable declarations 14.55/8.21 [2019-03-28 22:58:01,366 INFO L206 PostProcessor]: Analyzing one entry point: main 14.55/8.21 [2019-03-28 22:58:01,370 INFO L191 MainTranslator]: Completed pre-run 14.55/8.21 [2019-03-28 22:58:01,386 INFO L206 PostProcessor]: Analyzing one entry point: main 14.55/8.21 [2019-03-28 22:58:01,455 INFO L195 MainTranslator]: Completed translation 14.55/8.21 [2019-03-28 22:58:01,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01 WrapperNode 14.55/8.21 [2019-03-28 22:58:01,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.55/8.21 [2019-03-28 22:58:01,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.55/8.21 [2019-03-28 22:58:01,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.55/8.21 [2019-03-28 22:58:01,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.55/8.21 [2019-03-28 22:58:01,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.55/8.21 [2019-03-28 22:58:01,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.55/8.21 [2019-03-28 22:58:01,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.55/8.21 [2019-03-28 22:58:01,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.55/8.21 [2019-03-28 22:58:01,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.55/8.21 [2019-03-28 22:58:01,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.55/8.21 [2019-03-28 22:58:01,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.55/8.21 [2019-03-28 22:58:01,511 INFO L276 PluginConnector]: RCFGBuilder initialized 14.55/8.21 [2019-03-28 22:58:01,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (1/1) ... 14.55/8.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.55/8.21 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.55/8.21 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.55/8.21 [2019-03-28 22:58:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.55/8.21 [2019-03-28 22:58:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.55/8.21 [2019-03-28 22:58:01,699 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.55/8.21 [2019-03-28 22:58:01,700 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.55/8.21 [2019-03-28 22:58:01,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:01 BoogieIcfgContainer 14.55/8.21 [2019-03-28 22:58:01,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.55/8.21 [2019-03-28 22:58:01,702 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.55/8.21 [2019-03-28 22:58:01,702 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.55/8.21 [2019-03-28 22:58:01,704 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.55/8.21 [2019-03-28 22:58:01,704 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:01" (1/1) ... 14.55/8.21 [2019-03-28 22:58:01,718 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 14.55/8.21 [2019-03-28 22:58:01,720 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.55/8.21 [2019-03-28 22:58:01,720 INFO L263 BlockEncoder]: Using Maximize final states 14.55/8.21 [2019-03-28 22:58:01,721 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.55/8.21 [2019-03-28 22:58:01,721 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.55/8.21 [2019-03-28 22:58:01,723 INFO L296 BlockEncoder]: Using Remove sink states 14.55/8.21 [2019-03-28 22:58:01,724 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.55/8.21 [2019-03-28 22:58:01,724 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.55/8.21 [2019-03-28 22:58:01,738 INFO L185 BlockEncoder]: Using Use SBE 14.55/8.21 [2019-03-28 22:58:01,745 INFO L200 BlockEncoder]: SBE split 0 edges 14.55/8.21 [2019-03-28 22:58:01,749 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.55/8.21 [2019-03-28 22:58:01,751 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.55/8.21 [2019-03-28 22:58:01,763 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.55/8.21 [2019-03-28 22:58:01,765 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.55/8.21 [2019-03-28 22:58:01,766 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.55/8.21 [2019-03-28 22:58:01,767 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.55/8.21 [2019-03-28 22:58:01,767 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.55/8.21 [2019-03-28 22:58:01,767 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.55/8.21 [2019-03-28 22:58:01,767 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 14.55/8.21 [2019-03-28 22:58:01,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:01 BasicIcfg 14.55/8.21 [2019-03-28 22:58:01,768 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.55/8.21 [2019-03-28 22:58:01,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.55/8.21 [2019-03-28 22:58:01,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.55/8.21 [2019-03-28 22:58:01,772 INFO L276 PluginConnector]: TraceAbstraction initialized 14.55/8.21 [2019-03-28 22:58:01,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:58:01" (1/4) ... 14.55/8.21 [2019-03-28 22:58:01,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb78dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (2/4) ... 14.55/8.21 [2019-03-28 22:58:01,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb78dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:01" (3/4) ... 14.55/8.21 [2019-03-28 22:58:01,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fb78dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:01" (4/4) ... 14.55/8.21 [2019-03-28 22:58:01,776 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.55/8.21 [2019-03-28 22:58:01,786 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.55/8.21 [2019-03-28 22:58:01,793 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.55/8.21 [2019-03-28 22:58:01,810 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.55/8.21 [2019-03-28 22:58:01,839 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.55/8.21 [2019-03-28 22:58:01,840 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.55/8.21 [2019-03-28 22:58:01,840 INFO L383 AbstractCegarLoop]: Hoare is true 14.55/8.21 [2019-03-28 22:58:01,840 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.55/8.21 [2019-03-28 22:58:01,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.55/8.21 [2019-03-28 22:58:01,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.55/8.21 [2019-03-28 22:58:01,841 INFO L387 AbstractCegarLoop]: Difference is false 14.55/8.21 [2019-03-28 22:58:01,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.55/8.21 [2019-03-28 22:58:01,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.55/8.21 [2019-03-28 22:58:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.55/8.21 [2019-03-28 22:58:01,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.55/8.21 [2019-03-28 22:58:01,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.55/8.21 [2019-03-28 22:58:01,913 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.55/8.21 [2019-03-28 22:58:01,913 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 14.55/8.21 [2019-03-28 22:58:01,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:01 BasicIcfg 14.55/8.21 [2019-03-28 22:58:01,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.55/8.21 [2019-03-28 22:58:01,922 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.55/8.21 [2019-03-28 22:58:01,922 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.55/8.21 [2019-03-28 22:58:01,925 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.55/8.21 [2019-03-28 22:58:01,926 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.55/8.21 [2019-03-28 22:58:01,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:58:01" (1/5) ... 14.55/8.21 [2019-03-28 22:58:01,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c26d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.55/8.21 [2019-03-28 22:58:01,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:58:01" (2/5) ... 14.55/8.21 [2019-03-28 22:58:01,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c26d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.55/8.21 [2019-03-28 22:58:01,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:58:01" (3/5) ... 14.55/8.21 [2019-03-28 22:58:01,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c26d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.55/8.21 [2019-03-28 22:58:01,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:58:01" (4/5) ... 14.55/8.21 [2019-03-28 22:58:01,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c26d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:01, skipping insertion in model container 14.55/8.21 [2019-03-28 22:58:01,930 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.55/8.21 [2019-03-28 22:58:01,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:58:01" (5/5) ... 14.55/8.21 [2019-03-28 22:58:01,931 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.55/8.21 [2019-03-28 22:58:01,958 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.55/8.21 [2019-03-28 22:58:01,958 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.55/8.21 [2019-03-28 22:58:01,958 INFO L375 BuchiCegarLoop]: Hoare is true 14.55/8.21 [2019-03-28 22:58:01,958 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.55/8.21 [2019-03-28 22:58:01,958 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.55/8.21 [2019-03-28 22:58:01,958 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.55/8.21 [2019-03-28 22:58:01,959 INFO L379 BuchiCegarLoop]: Difference is false 14.55/8.21 [2019-03-28 22:58:01,959 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.55/8.21 [2019-03-28 22:58:01,959 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.55/8.21 [2019-03-28 22:58:01,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.55/8.21 [2019-03-28 22:58:01,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.55/8.21 [2019-03-28 22:58:01,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.55/8.21 [2019-03-28 22:58:01,979 INFO L119 BuchiIsEmpty]: Starting construction of run 14.55/8.21 [2019-03-28 22:58:01,984 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.55/8.21 [2019-03-28 22:58:01,985 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.55/8.21 [2019-03-28 22:58:01,985 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.55/8.21 [2019-03-28 22:58:01,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.55/8.21 [2019-03-28 22:58:01,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.55/8.21 [2019-03-28 22:58:01,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.55/8.21 [2019-03-28 22:58:01,986 INFO L119 BuchiIsEmpty]: Starting construction of run 14.55/8.21 [2019-03-28 22:58:01,986 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.55/8.21 [2019-03-28 22:58:01,986 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.55/8.21 [2019-03-28 22:58:01,991 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 14.55/8.21 [2019-03-28 22:58:01,991 INFO L796 eck$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_7 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (< 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_6, 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 14.55/8.21 [2019-03-28 22:58:01,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.55/8.21 [2019-03-28 22:58:01,998 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 14.55/8.21 [2019-03-28 22:58:02,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.55/8.21 [2019-03-28 22:58:02,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.55/8.21 [2019-03-28 22:58:02,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.55/8.21 [2019-03-28 22:58:02,070 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 14.55/8.21 [2019-03-28 22:58:02,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.55/8.21 [2019-03-28 22:58:02,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.55/8.21 [2019-03-28 22:58:02,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.55/8.21 [2019-03-28 22:58:02,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 14.55/8.21 [2019-03-28 22:58:02,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.55/8.21 [2019-03-28 22:58:02,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.55/8.21 [2019-03-28 22:58:02,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.55/8.21 [2019-03-28 22:58:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.55/8.21 [2019-03-28 22:58:02,153 INFO L216 LassoAnalysis]: Preferences: 14.55/8.21 [2019-03-28 22:58:02,155 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.55/8.21 [2019-03-28 22:58:02,155 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.55/8.21 [2019-03-28 22:58:02,155 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.55/8.21 [2019-03-28 22:58:02,155 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.55/8.21 [2019-03-28 22:58:02,155 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:02,156 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.55/8.21 [2019-03-28 22:58:02,156 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.55/8.21 [2019-03-28 22:58:02,156 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.55/8.21 [2019-03-28 22:58:02,156 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.55/8.21 [2019-03-28 22:58:02,156 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.55/8.21 [2019-03-28 22:58:02,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:02,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:02,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:02,282 INFO L300 LassoAnalysis]: Preprocessing complete. 14.55/8.21 [2019-03-28 22:58:02,283 INFO L412 LassoAnalysis]: Checking for nontermination... 14.55/8.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.55/8.21 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.55/8.21 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:02,290 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.55/8.21 [2019-03-28 22:58:02,290 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.55/8.21 [2019-03-28 22:58:02,326 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.55/8.21 [2019-03-28 22:58:02,327 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.55/8.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.55/8.21 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.55/8.21 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:02,333 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.55/8.21 [2019-03-28 22:58:02,333 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.55/8.21 [2019-03-28 22:58:02,361 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.55/8.21 [2019-03-28 22:58:02,361 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.55/8.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.55/8.21 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.55/8.21 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:02,366 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.55/8.21 [2019-03-28 22:58:02,366 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.55/8.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.55/8.21 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.55/8.21 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:02,402 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.55/8.21 [2019-03-28 22:58:02,402 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.55/8.21 [2019-03-28 22:58:04,518 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.55/8.21 [2019-03-28 22:58:04,521 INFO L216 LassoAnalysis]: Preferences: 14.55/8.21 [2019-03-28 22:58:04,521 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.55/8.21 [2019-03-28 22:58:04,521 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.55/8.21 [2019-03-28 22:58:04,521 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.55/8.21 [2019-03-28 22:58:04,521 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.55/8.21 [2019-03-28 22:58:04,521 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.55/8.21 [2019-03-28 22:58:04,521 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.55/8.21 [2019-03-28 22:58:04,522 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.55/8.21 [2019-03-28 22:58:04,522 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.55/8.21 [2019-03-28 22:58:04,522 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.55/8.21 [2019-03-28 22:58:04,522 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.55/8.21 [2019-03-28 22:58:04,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:04,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:04,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.55/8.21 [2019-03-28 22:58:04,629 INFO L300 LassoAnalysis]: Preprocessing complete. 14.55/8.21 [2019-03-28 22:58:04,635 INFO L497 LassoAnalysis]: Using template 'affine'. 14.55/8.21 [2019-03-28 22:58:04,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,645 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,645 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,654 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.55/8.21 [2019-03-28 22:58:04,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,656 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,656 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,659 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,659 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.55/8.21 [2019-03-28 22:58:04,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,669 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.55/8.21 [2019-03-28 22:58:04,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,671 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.55/8.21 [2019-03-28 22:58:04,681 INFO L497 LassoAnalysis]: Using template '2-nested'. 14.55/8.21 [2019-03-28 22:58:04,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,682 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,683 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,687 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,687 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,694 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.55/8.21 [2019-03-28 22:58:04,694 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,695 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,696 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,699 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,699 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.55/8.21 [2019-03-28 22:58:04,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.55/8.21 Termination analysis: LINEAR_WITH_GUESSES 14.55/8.21 Number of strict supporting invariants: 0 14.55/8.21 Number of non-strict supporting invariants: 1 14.55/8.21 Consider only non-deceasing supporting invariants: true 14.55/8.21 Simplify termination arguments: true 14.55/8.21 Simplify supporting invariants: trueOverapproximate stem: false 14.55/8.21 [2019-03-28 22:58:04,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.55/8.21 [2019-03-28 22:58:04,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.55/8.21 [2019-03-28 22:58:04,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.55/8.21 [2019-03-28 22:58:04,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.55/8.21 [2019-03-28 22:58:04,712 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 14.55/8.21 [2019-03-28 22:58:04,714 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 14.55/8.21 [2019-03-28 22:58:04,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.55/8.21 [2019-03-28 22:58:04,724 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.55/8.21 [2019-03-28 22:58:04,737 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.55/8.21 [2019-03-28 22:58:04,738 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. 14.55/8.21 [2019-03-28 22:58:04,740 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.55/8.21 [2019-03-28 22:58:04,740 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.55/8.21 [2019-03-28 22:58:04,741 INFO L518 LassoAnalysis]: Proved termination. 14.55/8.21 [2019-03-28 22:58:04,741 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.55/8.21 Ranking function 2-nested ranking function: 14.55/8.21 f0 = 2*ULTIMATE.start_main_~y~0 + 1 14.55/8.21 f1 = 2*ULTIMATE.start_main_~x~0 14.55/8.21 Supporting invariants [] 14.55/8.21 [2019-03-28 22:58:04,743 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.55/8.21 [2019-03-28 22:58:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.55/8.21 [2019-03-28 22:58:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.55/8.21 [2019-03-28 22:58:04,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.55/8.21 [2019-03-28 22:58:04,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.55/8.21 [2019-03-28 22:58:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.55/8.21 [2019-03-28 22:58:04,802 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core 14.55/8.21 [2019-03-28 22:58:04,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.55/8.21 [2019-03-28 22:58:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.55/8.21 [2019-03-28 22:58:04,837 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.55/8.21 [2019-03-28 22:58:04,842 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.55/8.21 [2019-03-28 22:58:04,843 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 14.55/8.21 [2019-03-28 22:58:04,863 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 14.55/8.21 [2019-03-28 22:58:04,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.55/8.21 [2019-03-28 22:58:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.55/8.21 [2019-03-28 22:58:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 14.55/8.21 [2019-03-28 22:58:04,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 14.55/8.21 [2019-03-28 22:58:04,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.55/8.21 [2019-03-28 22:58:04,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 14.55/8.21 [2019-03-28 22:58:04,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.55/8.21 [2019-03-28 22:58:04,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 14.55/8.21 [2019-03-28 22:58:04,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.55/8.21 [2019-03-28 22:58:04,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.55/8.21 [2019-03-28 22:58:04,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.55/8.21 [2019-03-28 22:58:04,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.55/8.21 [2019-03-28 22:58:04,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.55/8.21 [2019-03-28 22:58:04,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.55/8.21 [2019-03-28 22:58:04,879 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,879 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,879 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,880 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.55/8.21 [2019-03-28 22:58:04,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.55/8.21 [2019-03-28 22:58:04,880 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.55/8.21 [2019-03-28 22:58:04,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.55/8.21 [2019-03-28 22:58:04,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:58:04 BasicIcfg 14.55/8.21 [2019-03-28 22:58:04,886 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.55/8.21 [2019-03-28 22:58:04,886 INFO L168 Benchmark]: Toolchain (without parser) took 3712.24 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 559.2 MB in the beginning and 524.4 MB in the end (delta: 34.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,889 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. 14.55/8.21 [2019-03-28 22:58:04,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.11 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 558.1 MB in the beginning and 636.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.02 ms. Allocated memory is still 668.5 MB. Free memory was 636.3 MB in the beginning and 633.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,891 INFO L168 Benchmark]: Boogie Preprocessor took 18.97 ms. Allocated memory is still 668.5 MB. Free memory was 633.5 MB in the beginning and 632.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,891 INFO L168 Benchmark]: RCFGBuilder took 190.80 ms. Allocated memory is still 668.5 MB. Free memory was 632.4 MB in the beginning and 619.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,892 INFO L168 Benchmark]: BlockEncodingV2 took 66.50 ms. Allocated memory is still 668.5 MB. Free memory was 619.8 MB in the beginning and 614.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,893 INFO L168 Benchmark]: TraceAbstraction took 152.78 ms. Allocated memory is still 668.5 MB. Free memory was 614.4 MB in the beginning and 605.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,893 INFO L168 Benchmark]: BuchiAutomizer took 2963.93 ms. Allocated memory is still 668.5 MB. Free memory was 605.7 MB in the beginning and 524.4 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 50.3 GB. 14.55/8.21 [2019-03-28 22:58:04,899 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.55/8.21 --- Results --- 14.55/8.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.55/8.21 - StatisticsResult: Initial Icfg 14.55/8.21 6 locations, 7 edges 14.55/8.21 - StatisticsResult: Encoded RCFG 14.55/8.21 2 locations, 2 edges 14.55/8.21 * Results from de.uni_freiburg.informatik.ultimate.core: 14.55/8.21 - StatisticsResult: Toolchain Benchmarks 14.55/8.21 Benchmark results are: 14.55/8.21 * 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. 14.55/8.21 * CACSL2BoogieTranslator took 280.11 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 558.1 MB in the beginning and 636.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. 14.55/8.21 * Boogie Procedure Inliner took 34.02 ms. Allocated memory is still 668.5 MB. Free memory was 636.3 MB in the beginning and 633.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 14.55/8.21 * Boogie Preprocessor took 18.97 ms. Allocated memory is still 668.5 MB. Free memory was 633.5 MB in the beginning and 632.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 14.55/8.21 * RCFGBuilder took 190.80 ms. Allocated memory is still 668.5 MB. Free memory was 632.4 MB in the beginning and 619.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 50.3 GB. 14.55/8.21 * BlockEncodingV2 took 66.50 ms. Allocated memory is still 668.5 MB. Free memory was 619.8 MB in the beginning and 614.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.55/8.21 * TraceAbstraction took 152.78 ms. Allocated memory is still 668.5 MB. Free memory was 614.4 MB in the beginning and 605.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 14.55/8.21 * BuchiAutomizer took 2963.93 ms. Allocated memory is still 668.5 MB. Free memory was 605.7 MB in the beginning and 524.4 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 50.3 GB. 14.55/8.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.55/8.21 - AllSpecificationsHoldResult: All specifications hold 14.55/8.21 We were not able to verify any specifiation because the program does not contain any specification. 14.55/8.21 - InvariantResult [Line: 26]: Loop Invariant 14.55/8.21 Derived loop invariant: 1 14.55/8.21 - StatisticsResult: Ultimate Automizer benchmark data 14.55/8.21 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 14.55/8.21 - StatisticsResult: Constructed decomposition of program 14.55/8.21 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * y + 1 > 0 then 1 else 0), (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x) and consists of 2 locations. 14.55/8.21 - StatisticsResult: Timing statistics 14.55/8.21 BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s 14.55/8.21 - TerminationAnalysisResult: Termination proven 14.55/8.21 Buchi Automizer proved that your program is terminating 14.55/8.21 RESULT: Ultimate proved your program to be correct! 14.55/8.21 !SESSION 2019-03-28 22:57:57.920 ----------------------------------------------- 14.55/8.21 eclipse.buildId=unknown 14.55/8.21 java.version=1.8.0_181 14.55/8.21 java.vendor=Oracle Corporation 14.55/8.21 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.55/8.21 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.55/8.21 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 14.55/8.21 14.55/8.21 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:58:05.131 14.55/8.21 !MESSAGE The workspace will exit with unsaved changes in this session. 14.55/8.21 Received shutdown request... 14.55/8.21 Ultimate: 14.55/8.21 GTK+ Version Check 14.55/8.21 EOF