15.10/7.33 YES 15.10/7.33 15.10/7.34 Ultimate: Cannot open display: 15.10/7.34 This is Ultimate 0.1.24-8dc7c08-m 15.10/7.34 [2019-03-28 11:55:46,025 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.10/7.34 [2019-03-28 11:55:46,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.10/7.34 [2019-03-28 11:55:46,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.10/7.34 [2019-03-28 11:55:46,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.10/7.34 [2019-03-28 11:55:46,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.10/7.34 [2019-03-28 11:55:46,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.10/7.34 [2019-03-28 11:55:46,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.10/7.34 [2019-03-28 11:55:46,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.10/7.34 [2019-03-28 11:55:46,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.10/7.34 [2019-03-28 11:55:46,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.10/7.34 [2019-03-28 11:55:46,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.10/7.34 [2019-03-28 11:55:46,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.10/7.34 [2019-03-28 11:55:46,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.10/7.34 [2019-03-28 11:55:46,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.10/7.34 [2019-03-28 11:55:46,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.10/7.34 [2019-03-28 11:55:46,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.10/7.34 [2019-03-28 11:55:46,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.10/7.34 [2019-03-28 11:55:46,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.10/7.34 [2019-03-28 11:55:46,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.10/7.34 [2019-03-28 11:55:46,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,060 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.10/7.34 [2019-03-28 11:55:46,061 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.10/7.34 [2019-03-28 11:55:46,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.10/7.34 [2019-03-28 11:55:46,063 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.10/7.34 [2019-03-28 11:55:46,063 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.10/7.34 [2019-03-28 11:55:46,064 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.10/7.34 [2019-03-28 11:55:46,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.10/7.34 [2019-03-28 11:55:46,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.10/7.34 [2019-03-28 11:55:46,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.10/7.34 [2019-03-28 11:55:46,067 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.10/7.34 [2019-03-28 11:55:46,068 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.10/7.34 [2019-03-28 11:55:46,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.10/7.34 [2019-03-28 11:55:46,069 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.10/7.34 [2019-03-28 11:55:46,083 INFO L110 SettingsManager]: Loading preferences was successful 15.10/7.34 [2019-03-28 11:55:46,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.10/7.34 [2019-03-28 11:55:46,085 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.10/7.34 [2019-03-28 11:55:46,085 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.10/7.34 [2019-03-28 11:55:46,085 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.10/7.34 [2019-03-28 11:55:46,085 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.10/7.34 [2019-03-28 11:55:46,085 INFO L133 SettingsManager]: * Use SBE=true 15.10/7.34 [2019-03-28 11:55:46,086 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.10/7.34 [2019-03-28 11:55:46,086 INFO L133 SettingsManager]: * Use old map elimination=false 15.10/7.34 [2019-03-28 11:55:46,086 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.10/7.34 [2019-03-28 11:55:46,086 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.10/7.34 [2019-03-28 11:55:46,086 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.10/7.34 [2019-03-28 11:55:46,087 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.10/7.34 [2019-03-28 11:55:46,087 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.10/7.34 [2019-03-28 11:55:46,087 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:46,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.10/7.34 [2019-03-28 11:55:46,087 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.10/7.34 [2019-03-28 11:55:46,087 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.10/7.34 [2019-03-28 11:55:46,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.10/7.34 [2019-03-28 11:55:46,088 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.10/7.34 [2019-03-28 11:55:46,088 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.10/7.34 [2019-03-28 11:55:46,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.10/7.34 [2019-03-28 11:55:46,088 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.10/7.34 [2019-03-28 11:55:46,088 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.10/7.34 [2019-03-28 11:55:46,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.10/7.34 [2019-03-28 11:55:46,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.10/7.34 [2019-03-28 11:55:46,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.10/7.34 [2019-03-28 11:55:46,089 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.10/7.34 [2019-03-28 11:55:46,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.10/7.34 [2019-03-28 11:55:46,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.10/7.34 [2019-03-28 11:55:46,134 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.10/7.34 [2019-03-28 11:55:46,137 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.10/7.34 [2019-03-28 11:55:46,139 INFO L271 PluginConnector]: Initializing CDTParser... 15.10/7.34 [2019-03-28 11:55:46,139 INFO L276 PluginConnector]: CDTParser initialized 15.10/7.34 [2019-03-28 11:55:46,140 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.10/7.34 [2019-03-28 11:55:46,207 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/24b5e5da4daf4076b1118468e63aadaf/FLAG331d8a1ef 15.10/7.34 [2019-03-28 11:55:46,552 INFO L307 CDTParser]: Found 1 translation units. 15.10/7.34 [2019-03-28 11:55:46,553 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.10/7.34 [2019-03-28 11:55:46,560 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/24b5e5da4daf4076b1118468e63aadaf/FLAG331d8a1ef 15.10/7.34 [2019-03-28 11:55:46,970 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/24b5e5da4daf4076b1118468e63aadaf 15.10/7.34 [2019-03-28 11:55:46,982 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.10/7.34 [2019-03-28 11:55:46,984 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.10/7.34 [2019-03-28 11:55:46,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.10/7.34 [2019-03-28 11:55:46,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.10/7.34 [2019-03-28 11:55:46,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.10/7.34 [2019-03-28 11:55:46,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:46" (1/1) ... 15.10/7.34 [2019-03-28 11:55:46,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626dd300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:46, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:46,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:46" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.10/7.34 [2019-03-28 11:55:47,018 INFO L176 MainTranslator]: Built tables and reachable declarations 15.10/7.34 [2019-03-28 11:55:47,174 INFO L206 PostProcessor]: Analyzing one entry point: main 15.10/7.34 [2019-03-28 11:55:47,179 INFO L191 MainTranslator]: Completed pre-run 15.10/7.34 [2019-03-28 11:55:47,194 INFO L206 PostProcessor]: Analyzing one entry point: main 15.10/7.34 [2019-03-28 11:55:47,209 INFO L195 MainTranslator]: Completed translation 15.10/7.34 [2019-03-28 11:55:47,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47 WrapperNode 15.10/7.34 [2019-03-28 11:55:47,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.10/7.34 [2019-03-28 11:55:47,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.10/7.34 [2019-03-28 11:55:47,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.10/7.34 [2019-03-28 11:55:47,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.10/7.34 [2019-03-28 11:55:47,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.10/7.34 [2019-03-28 11:55:47,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.10/7.34 [2019-03-28 11:55:47,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.10/7.34 [2019-03-28 11:55:47,300 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.10/7.34 [2019-03-28 11:55:47,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.10/7.34 [2019-03-28 11:55:47,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.10/7.34 [2019-03-28 11:55:47,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.10/7.34 [2019-03-28 11:55:47,320 INFO L276 PluginConnector]: RCFGBuilder initialized 15.10/7.34 [2019-03-28 11:55:47,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.10/7.34 [2019-03-28 11:55:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.10/7.34 [2019-03-28 11:55:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.10/7.34 [2019-03-28 11:55:47,515 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.10/7.34 [2019-03-28 11:55:47,516 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 15.10/7.34 [2019-03-28 11:55:47,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:47 BoogieIcfgContainer 15.10/7.34 [2019-03-28 11:55:47,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.10/7.34 [2019-03-28 11:55:47,517 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.10/7.34 [2019-03-28 11:55:47,518 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.10/7.34 [2019-03-28 11:55:47,520 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.10/7.34 [2019-03-28 11:55:47,520 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:47" (1/1) ... 15.10/7.34 [2019-03-28 11:55:47,536 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 15.10/7.34 [2019-03-28 11:55:47,537 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.10/7.34 [2019-03-28 11:55:47,538 INFO L263 BlockEncoder]: Using Maximize final states 15.10/7.34 [2019-03-28 11:55:47,539 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.10/7.34 [2019-03-28 11:55:47,539 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.10/7.34 [2019-03-28 11:55:47,541 INFO L296 BlockEncoder]: Using Remove sink states 15.10/7.34 [2019-03-28 11:55:47,542 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.10/7.34 [2019-03-28 11:55:47,542 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.10/7.34 [2019-03-28 11:55:47,557 INFO L185 BlockEncoder]: Using Use SBE 15.10/7.34 [2019-03-28 11:55:47,572 INFO L200 BlockEncoder]: SBE split 2 edges 15.10/7.34 [2019-03-28 11:55:47,577 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.10/7.34 [2019-03-28 11:55:47,579 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.10/7.34 [2019-03-28 11:55:47,590 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.10/7.34 [2019-03-28 11:55:47,592 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.10/7.34 [2019-03-28 11:55:47,594 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.10/7.34 [2019-03-28 11:55:47,594 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.10/7.34 [2019-03-28 11:55:47,594 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.10/7.34 [2019-03-28 11:55:47,595 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.10/7.34 [2019-03-28 11:55:47,595 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 15.10/7.34 [2019-03-28 11:55:47,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:47 BasicIcfg 15.10/7.34 [2019-03-28 11:55:47,596 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.10/7.34 [2019-03-28 11:55:47,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.10/7.34 [2019-03-28 11:55:47,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.10/7.34 [2019-03-28 11:55:47,600 INFO L276 PluginConnector]: TraceAbstraction initialized 15.10/7.34 [2019-03-28 11:55:47,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:55:46" (1/4) ... 15.10/7.34 [2019-03-28 11:55:47,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d69c215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (2/4) ... 15.10/7.34 [2019-03-28 11:55:47,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d69c215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:47" (3/4) ... 15.10/7.34 [2019-03-28 11:55:47,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d69c215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:47" (4/4) ... 15.10/7.34 [2019-03-28 11:55:47,604 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.10/7.34 [2019-03-28 11:55:47,615 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.10/7.34 [2019-03-28 11:55:47,623 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.10/7.34 [2019-03-28 11:55:47,641 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.10/7.34 [2019-03-28 11:55:47,670 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.10/7.34 [2019-03-28 11:55:47,670 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.10/7.34 [2019-03-28 11:55:47,671 INFO L383 AbstractCegarLoop]: Hoare is true 15.10/7.34 [2019-03-28 11:55:47,671 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.10/7.34 [2019-03-28 11:55:47,671 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.10/7.34 [2019-03-28 11:55:47,671 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.10/7.34 [2019-03-28 11:55:47,671 INFO L387 AbstractCegarLoop]: Difference is false 15.10/7.34 [2019-03-28 11:55:47,671 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.10/7.34 [2019-03-28 11:55:47,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.10/7.34 [2019-03-28 11:55:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 15.10/7.34 [2019-03-28 11:55:47,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.10/7.34 [2019-03-28 11:55:47,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 15.10/7.34 [2019-03-28 11:55:47,745 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: true 15.10/7.34 [2019-03-28 11:55:47,746 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.10/7.34 [2019-03-28 11:55:47,746 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 18) no Hoare annotation was computed. 15.10/7.34 [2019-03-28 11:55:47,746 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 20) the Hoare annotation is: true 15.10/7.34 [2019-03-28 11:55:47,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:47 BasicIcfg 15.10/7.34 [2019-03-28 11:55:47,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.10/7.34 [2019-03-28 11:55:47,756 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.10/7.34 [2019-03-28 11:55:47,756 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.10/7.34 [2019-03-28 11:55:47,760 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.10/7.34 [2019-03-28 11:55:47,761 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.10/7.34 [2019-03-28 11:55:47,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:55:46" (1/5) ... 15.10/7.34 [2019-03-28 11:55:47,762 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c6ef48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,762 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.10/7.34 [2019-03-28 11:55:47,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (2/5) ... 15.10/7.34 [2019-03-28 11:55:47,762 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c6ef48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,763 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.10/7.34 [2019-03-28 11:55:47,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:47" (3/5) ... 15.10/7.34 [2019-03-28 11:55:47,763 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c6ef48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,763 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.10/7.34 [2019-03-28 11:55:47,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:47" (4/5) ... 15.10/7.34 [2019-03-28 11:55:47,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c6ef48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:47, skipping insertion in model container 15.10/7.34 [2019-03-28 11:55:47,764 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.10/7.34 [2019-03-28 11:55:47,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:47" (5/5) ... 15.10/7.34 [2019-03-28 11:55:47,766 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.10/7.34 [2019-03-28 11:55:47,793 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.10/7.34 [2019-03-28 11:55:47,794 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.10/7.34 [2019-03-28 11:55:47,794 INFO L375 BuchiCegarLoop]: Hoare is true 15.10/7.34 [2019-03-28 11:55:47,794 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.10/7.34 [2019-03-28 11:55:47,794 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.10/7.34 [2019-03-28 11:55:47,794 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.10/7.34 [2019-03-28 11:55:47,795 INFO L379 BuchiCegarLoop]: Difference is false 15.10/7.34 [2019-03-28 11:55:47,795 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.10/7.34 [2019-03-28 11:55:47,795 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.10/7.34 [2019-03-28 11:55:47,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.10/7.34 [2019-03-28 11:55:47,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.10/7.34 [2019-03-28 11:55:47,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.10/7.34 [2019-03-28 11:55:47,817 INFO L119 BuchiIsEmpty]: Starting construction of run 15.10/7.34 [2019-03-28 11:55:47,822 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.10/7.34 [2019-03-28 11:55:47,822 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.10/7.34 [2019-03-28 11:55:47,823 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.10/7.34 [2019-03-28 11:55:47,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.10/7.34 [2019-03-28 11:55:47,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.10/7.34 [2019-03-28 11:55:47,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.10/7.34 [2019-03-28 11:55:47,824 INFO L119 BuchiIsEmpty]: Starting construction of run 15.10/7.34 [2019-03-28 11:55:47,824 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.10/7.34 [2019-03-28 11:55:47,824 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.10/7.34 [2019-03-28 11:55:47,829 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 4#L14-2true 15.10/7.34 [2019-03-28 11:55:47,830 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [36] L14-2-->L16-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_9 1)) (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 6#L16-2true [45] L16-2-->L16-3: Formula: (> v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~y~0_4) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 5#L16-3true [37] L16-3-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5] 4#L14-2true 15.10/7.34 [2019-03-28 11:55:47,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:47,836 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:47,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:47,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:47,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:47,904 INFO L82 PathProgramCache]: Analyzing trace with hash 65819, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:47,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:47,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:47,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:47,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1912861, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:47,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:47,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:47,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,013 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:48,014 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:48,014 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:48,015 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:48,015 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.10/7.34 [2019-03-28 11:55:48,015 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,015 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:48,015 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:48,015 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.10/7.34 [2019-03-28 11:55:48,016 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:48,016 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:48,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,149 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:48,149 INFO L412 LassoAnalysis]: Checking for nontermination... 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:48,157 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,193 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:48,193 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 [2019-03-28 11:55:48,225 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.10/7.34 [2019-03-28 11:55:48,227 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:48,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:48,227 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:48,227 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:48,228 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.10/7.34 [2019-03-28 11:55:48,228 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,228 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:48,228 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:48,228 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.10/7.34 [2019-03-28 11:55:48,228 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:48,229 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:48,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,333 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:48,339 INFO L497 LassoAnalysis]: Using template 'affine'. 15.10/7.34 [2019-03-28 11:55:48,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.10/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.10/7.34 Number of strict supporting invariants: 0 15.10/7.34 Number of non-strict supporting invariants: 1 15.10/7.34 Consider only non-deceasing supporting invariants: true 15.10/7.34 Simplify termination arguments: true 15.10/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.10/7.34 [2019-03-28 11:55:48,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.10/7.34 [2019-03-28 11:55:48,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.10/7.34 [2019-03-28 11:55:48,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.10/7.34 [2019-03-28 11:55:48,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.10/7.34 [2019-03-28 11:55:48,344 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.10/7.34 [2019-03-28 11:55:48,347 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.10/7.34 [2019-03-28 11:55:48,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.10/7.34 [2019-03-28 11:55:48,356 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.10/7.34 [2019-03-28 11:55:48,362 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.10/7.34 [2019-03-28 11:55:48,362 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.10/7.34 [2019-03-28 11:55:48,364 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.10/7.34 [2019-03-28 11:55:48,364 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.10/7.34 [2019-03-28 11:55:48,365 INFO L518 LassoAnalysis]: Proved termination. 15.10/7.34 [2019-03-28 11:55:48,366 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.10/7.34 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.10/7.34 Supporting invariants [] 15.10/7.34 [2019-03-28 11:55:48,367 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.10/7.34 [2019-03-28 11:55:48,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:48,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:48,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:48,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:48,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.10/7.34 [2019-03-28 11:55:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:48,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:48,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:48,523 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 5 predicates after loop cannibalization 15.10/7.34 [2019-03-28 11:55:48,529 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 5 loop predicates 15.10/7.34 [2019-03-28 11:55:48,530 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 15.10/7.34 [2019-03-28 11:55:48,595 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 11 states and 26 transitions. Complement of second has 6 states. 15.10/7.34 [2019-03-28 11:55:48,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.10/7.34 [2019-03-28 11:55:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.10/7.34 [2019-03-28 11:55:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. 15.10/7.34 [2019-03-28 11:55:48,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. 15.10/7.34 [2019-03-28 11:55:48,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:48,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. 15.10/7.34 [2019-03-28 11:55:48,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:48,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. 15.10/7.34 [2019-03-28 11:55:48,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:48,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 26 transitions. 15.10/7.34 [2019-03-28 11:55:48,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.10/7.34 [2019-03-28 11:55:48,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 8 states and 18 transitions. 15.10/7.34 [2019-03-28 11:55:48,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.10/7.34 [2019-03-28 11:55:48,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.10/7.34 [2019-03-28 11:55:48,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 18 transitions. 15.10/7.34 [2019-03-28 11:55:48,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.10/7.34 [2019-03-28 11:55:48,618 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 18 transitions. 15.10/7.34 [2019-03-28 11:55:48,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 18 transitions. 15.10/7.34 [2019-03-28 11:55:48,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 15.10/7.34 [2019-03-28 11:55:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.10/7.34 [2019-03-28 11:55:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 15.10/7.34 [2019-03-28 11:55:48,649 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 16 transitions. 15.10/7.34 [2019-03-28 11:55:48,649 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 16 transitions. 15.10/7.34 [2019-03-28 11:55:48,649 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.10/7.34 [2019-03-28 11:55:48,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 16 transitions. 15.10/7.34 [2019-03-28 11:55:48,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.10/7.34 [2019-03-28 11:55:48,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.10/7.34 [2019-03-28 11:55:48,650 INFO L119 BuchiIsEmpty]: Starting construction of run 15.10/7.34 [2019-03-28 11:55:48,650 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.10/7.34 [2019-03-28 11:55:48,651 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.10/7.34 [2019-03-28 11:55:48,651 INFO L794 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L14-2: 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_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_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_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 65#L14-2 [36] L14-2-->L16-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_9 1)) (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 66#L16-2 [47] L16-2-->L16-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_5 1)) (<= v_ULTIMATE.start_main_~x~0_5 v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post4] 69#L16-2 15.10/7.34 [2019-03-28 11:55:48,651 INFO L796 eck$LassoCheckResult]: Loop: 69#L16-2 [48] L16-2-->L16-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_5 1)) (<= v_ULTIMATE.start_main_~x~0_5 v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post4] 69#L16-2 15.10/7.34 [2019-03-28 11:55:48,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:48,652 INFO L82 PathProgramCache]: Analyzing trace with hash 61706, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:48,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:48,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:48,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:48,665 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:48,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:48,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1912934, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:48,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:48,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:48,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:48,702 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:48,702 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:48,702 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:48,702 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:48,703 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.10/7.34 [2019-03-28 11:55:48,703 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,703 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:48,703 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:48,703 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.10/7.34 [2019-03-28 11:55:48,703 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:48,704 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:48,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:48,755 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:48,755 INFO L412 LassoAnalysis]: Checking for nontermination... 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,764 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:48,765 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:48,800 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:48,800 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 [2019-03-28 11:55:49,064 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.10/7.34 [2019-03-28 11:55:49,067 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:49,067 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:49,067 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:49,067 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:49,067 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.10/7.34 [2019-03-28 11:55:49,067 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:49,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:49,068 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:49,068 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.10/7.34 [2019-03-28 11:55:49,068 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:49,068 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:49,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,110 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:49,111 INFO L497 LassoAnalysis]: Using template 'affine'. 15.10/7.34 [2019-03-28 11:55:49,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.10/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.10/7.34 Number of strict supporting invariants: 0 15.10/7.34 Number of non-strict supporting invariants: 1 15.10/7.34 Consider only non-deceasing supporting invariants: true 15.10/7.34 Simplify termination arguments: true 15.10/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.10/7.34 [2019-03-28 11:55:49,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.10/7.34 [2019-03-28 11:55:49,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.10/7.34 [2019-03-28 11:55:49,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.10/7.34 [2019-03-28 11:55:49,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.10/7.34 [2019-03-28 11:55:49,113 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.10/7.34 [2019-03-28 11:55:49,114 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.10/7.34 [2019-03-28 11:55:49,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.10/7.34 [2019-03-28 11:55:49,120 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.10/7.34 [2019-03-28 11:55:49,124 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.10/7.34 [2019-03-28 11:55:49,124 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.10/7.34 [2019-03-28 11:55:49,125 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.10/7.34 [2019-03-28 11:55:49,125 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.10/7.34 [2019-03-28 11:55:49,125 INFO L518 LassoAnalysis]: Proved termination. 15.10/7.34 [2019-03-28 11:55:49,125 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.10/7.34 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~y~0 - 2*ULTIMATE.start_main_~x~0 + 1 15.10/7.34 Supporting invariants [] 15.10/7.34 [2019-03-28 11:55:49,126 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.10/7.34 [2019-03-28 11:55:49,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:49,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:49,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:49,178 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:49,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.10/7.34 [2019-03-28 11:55:49,179 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.10/7.34 [2019-03-28 11:55:49,179 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 1 loop predicates 15.10/7.34 [2019-03-28 11:55:49,180 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 16 transitions. cyclomatic complexity: 11 Second operand 2 states. 15.10/7.34 [2019-03-28 11:55:49,202 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 16 transitions. cyclomatic complexity: 11. Second operand 2 states. Result 12 states and 27 transitions. Complement of second has 4 states. 15.10/7.34 [2019-03-28 11:55:49,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.10/7.34 [2019-03-28 11:55:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.10/7.34 [2019-03-28 11:55:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 15.10/7.34 [2019-03-28 11:55:49,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. 15.10/7.34 [2019-03-28 11:55:49,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. 15.10/7.34 [2019-03-28 11:55:49,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 15.10/7.34 [2019-03-28 11:55:49,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 27 transitions. 15.10/7.34 [2019-03-28 11:55:49,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.10/7.34 [2019-03-28 11:55:49,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 9 states and 19 transitions. 15.10/7.34 [2019-03-28 11:55:49,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.10/7.34 [2019-03-28 11:55:49,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 15.10/7.34 [2019-03-28 11:55:49,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 19 transitions. 15.10/7.34 [2019-03-28 11:55:49,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.10/7.34 [2019-03-28 11:55:49,209 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 19 transitions. 15.10/7.34 [2019-03-28 11:55:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 19 transitions. 15.10/7.34 [2019-03-28 11:55:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. 15.10/7.34 [2019-03-28 11:55:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.10/7.34 [2019-03-28 11:55:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 14 transitions. 15.10/7.34 [2019-03-28 11:55:49,211 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 14 transitions. 15.10/7.34 [2019-03-28 11:55:49,211 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 14 transitions. 15.10/7.34 [2019-03-28 11:55:49,211 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.10/7.34 [2019-03-28 11:55:49,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 14 transitions. 15.10/7.34 [2019-03-28 11:55:49,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.10/7.34 [2019-03-28 11:55:49,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.10/7.34 [2019-03-28 11:55:49,212 INFO L119 BuchiIsEmpty]: Starting construction of run 15.10/7.34 [2019-03-28 11:55:49,212 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.10/7.34 [2019-03-28 11:55:49,212 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.10/7.34 [2019-03-28 11:55:49,212 INFO L794 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L14-2: 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_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_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_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 115#L14-2 [36] L14-2-->L16-2: Formula: (and (<= 2 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_9 1)) (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~x~0] 116#L16-2 [48] L16-2-->L16-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_5 1)) (<= v_ULTIMATE.start_main_~x~0_5 v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post4] 119#L16-2 15.10/7.34 [2019-03-28 11:55:49,213 INFO L796 eck$LassoCheckResult]: Loop: 119#L16-2 [48] L16-2-->L16-2: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_5 1)) (<= v_ULTIMATE.start_main_~x~0_5 v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post4] 119#L16-2 15.10/7.34 [2019-03-28 11:55:49,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:49,213 INFO L82 PathProgramCache]: Analyzing trace with hash 61707, now seen corresponding path program 1 times 15.10/7.34 [2019-03-28 11:55:49,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:49,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:49,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 2 times 15.10/7.34 [2019-03-28 11:55:49,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:49,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:49,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1912965, now seen corresponding path program 2 times 15.10/7.34 [2019-03-28 11:55:49,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.10/7.34 [2019-03-28 11:55:49,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.10/7.34 [2019-03-28 11:55:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,232 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.10/7.34 [2019-03-28 11:55:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.10/7.34 [2019-03-28 11:55:49,255 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:49,255 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:49,255 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:49,256 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:49,256 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.10/7.34 [2019-03-28 11:55:49,256 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:49,256 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:49,256 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:49,256 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.10/7.34 [2019-03-28 11:55:49,256 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:49,257 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:49,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,287 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:49,287 INFO L412 LassoAnalysis]: Checking for nontermination... 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:49,293 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:49,294 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.10/7.34 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.10/7.34 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:49,326 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.10/7.34 [2019-03-28 11:55:49,326 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.10/7.34 [2019-03-28 11:55:49,603 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.10/7.34 [2019-03-28 11:55:49,606 INFO L216 LassoAnalysis]: Preferences: 15.10/7.34 [2019-03-28 11:55:49,606 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.10/7.34 [2019-03-28 11:55:49,606 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.10/7.34 [2019-03-28 11:55:49,606 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.10/7.34 [2019-03-28 11:55:49,606 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.10/7.34 [2019-03-28 11:55:49,606 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.10/7.34 [2019-03-28 11:55:49,607 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.10/7.34 [2019-03-28 11:55:49,607 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.10/7.34 [2019-03-28 11:55:49,607 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.10/7.34 [2019-03-28 11:55:49,607 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.10/7.34 [2019-03-28 11:55:49,607 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.10/7.34 [2019-03-28 11:55:49,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.10/7.34 [2019-03-28 11:55:49,640 INFO L300 LassoAnalysis]: Preprocessing complete. 15.10/7.34 [2019-03-28 11:55:49,641 INFO L497 LassoAnalysis]: Using template 'affine'. 15.10/7.34 [2019-03-28 11:55:49,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.10/7.34 Termination analysis: LINEAR_WITH_GUESSES 15.10/7.34 Number of strict supporting invariants: 0 15.10/7.34 Number of non-strict supporting invariants: 1 15.10/7.34 Consider only non-deceasing supporting invariants: true 15.10/7.34 Simplify termination arguments: true 15.10/7.34 Simplify supporting invariants: trueOverapproximate stem: false 15.10/7.34 [2019-03-28 11:55:49,642 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.10/7.34 [2019-03-28 11:55:49,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.10/7.34 [2019-03-28 11:55:49,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.10/7.34 [2019-03-28 11:55:49,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.10/7.34 [2019-03-28 11:55:49,643 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.10/7.34 [2019-03-28 11:55:49,644 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.10/7.34 [2019-03-28 11:55:49,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.10/7.34 [2019-03-28 11:55:49,648 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.10/7.34 [2019-03-28 11:55:49,651 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.10/7.34 [2019-03-28 11:55:49,651 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.10/7.34 [2019-03-28 11:55:49,652 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.10/7.34 [2019-03-28 11:55:49,652 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.10/7.34 [2019-03-28 11:55:49,652 INFO L518 LassoAnalysis]: Proved termination. 15.10/7.34 [2019-03-28 11:55:49,652 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.10/7.34 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 + 1 15.10/7.34 Supporting invariants [] 15.10/7.34 [2019-03-28 11:55:49,653 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.10/7.34 [2019-03-28 11:55:49,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.10/7.34 [2019-03-28 11:55:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:49,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:49,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.10/7.34 [2019-03-28 11:55:49,679 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.10/7.34 [2019-03-28 11:55:49,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.10/7.34 [2019-03-28 11:55:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.10/7.34 [2019-03-28 11:55:49,679 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.10/7.34 [2019-03-28 11:55:49,680 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 1 loop predicates 15.10/7.34 [2019-03-28 11:55:49,680 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 14 transitions. cyclomatic complexity: 9 Second operand 2 states. 15.10/7.34 [2019-03-28 11:55:49,712 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 14 transitions. cyclomatic complexity: 9. Second operand 2 states. Result 11 states and 22 transitions. Complement of second has 4 states. 15.10/7.34 [2019-03-28 11:55:49,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.10/7.34 [2019-03-28 11:55:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.10/7.34 [2019-03-28 11:55:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. 15.10/7.34 [2019-03-28 11:55:49,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. 15.10/7.34 [2019-03-28 11:55:49,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. 15.10/7.34 [2019-03-28 11:55:49,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 15.10/7.34 [2019-03-28 11:55:49,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.10/7.34 [2019-03-28 11:55:49,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 22 transitions. 15.10/7.34 [2019-03-28 11:55:49,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.10/7.34 [2019-03-28 11:55:49,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.10/7.34 [2019-03-28 11:55:49,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.10/7.34 [2019-03-28 11:55:49,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.10/7.34 [2019-03-28 11:55:49,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.10/7.34 [2019-03-28 11:55:49,718 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.10/7.34 [2019-03-28 11:55:49,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.10/7.34 [2019-03-28 11:55:49,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:49 BasicIcfg 15.10/7.34 [2019-03-28 11:55:49,724 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.10/7.34 [2019-03-28 11:55:49,725 INFO L168 Benchmark]: Toolchain (without parser) took 2742.41 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 558.5 MB in the beginning and 437.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 137.9 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,727 INFO L168 Benchmark]: CDTParser took 0.18 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. 15.10/7.34 [2019-03-28 11:55:49,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.12 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.60 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 549.0 MB in the beginning and 630.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,729 INFO L168 Benchmark]: Boogie Preprocessor took 19.80 ms. Allocated memory is still 666.4 MB. Free memory is still 630.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,729 INFO L168 Benchmark]: RCFGBuilder took 196.96 ms. Allocated memory is still 666.4 MB. Free memory was 630.8 MB in the beginning and 616.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,730 INFO L168 Benchmark]: BlockEncodingV2 took 78.46 ms. Allocated memory is still 666.4 MB. Free memory was 616.4 MB in the beginning and 610.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,730 INFO L168 Benchmark]: TraceAbstraction took 158.35 ms. Allocated memory is still 666.4 MB. Free memory was 610.0 MB in the beginning and 600.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,731 INFO L168 Benchmark]: BuchiAutomizer took 1968.62 ms. Allocated memory is still 666.4 MB. Free memory was 600.5 MB in the beginning and 437.3 MB in the end (delta: 163.2 MB). Peak memory consumption was 163.2 MB. Max. memory is 50.3 GB. 15.10/7.34 [2019-03-28 11:55:49,734 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.10/7.34 --- Results --- 15.10/7.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.10/7.34 - StatisticsResult: Initial Icfg 15.10/7.34 8 locations, 11 edges 15.10/7.34 - StatisticsResult: Encoded RCFG 15.10/7.34 4 locations, 7 edges 15.10/7.34 * Results from de.uni_freiburg.informatik.ultimate.core: 15.10/7.34 - StatisticsResult: Toolchain Benchmarks 15.10/7.34 Benchmark results are: 15.10/7.34 * CDTParser took 0.18 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. 15.10/7.34 * CACSL2BoogieTranslator took 225.12 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.10/7.34 * Boogie Procedure Inliner took 89.60 ms. Allocated memory was 649.6 MB in the beginning and 666.4 MB in the end (delta: 16.8 MB). Free memory was 549.0 MB in the beginning and 630.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 15.10/7.34 * Boogie Preprocessor took 19.80 ms. Allocated memory is still 666.4 MB. Free memory is still 630.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.10/7.34 * RCFGBuilder took 196.96 ms. Allocated memory is still 666.4 MB. Free memory was 630.8 MB in the beginning and 616.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 15.10/7.34 * BlockEncodingV2 took 78.46 ms. Allocated memory is still 666.4 MB. Free memory was 616.4 MB in the beginning and 610.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.10/7.34 * TraceAbstraction took 158.35 ms. Allocated memory is still 666.4 MB. Free memory was 610.0 MB in the beginning and 600.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.10/7.34 * BuchiAutomizer took 1968.62 ms. Allocated memory is still 666.4 MB. Free memory was 600.5 MB in the beginning and 437.3 MB in the end (delta: 163.2 MB). Peak memory consumption was 163.2 MB. Max. memory is 50.3 GB. 15.10/7.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.10/7.34 - AllSpecificationsHoldResult: All specifications hold 15.10/7.34 We were not able to verify any specifiation because the program does not contain any specification. 15.10/7.34 - InvariantResult [Line: 14]: Loop Invariant 15.10/7.34 Derived loop invariant: 1 15.10/7.34 - InvariantResult [Line: 16]: Loop Invariant 15.10/7.34 Derived loop invariant: 1 15.10/7.34 - StatisticsResult: Ultimate Automizer benchmark data 15.10/7.34 CFG has 1 procedures, 4 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=4occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.10/7.34 - StatisticsResult: Constructed decomposition of program 15.10/7.34 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function 2 * y + -2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * x + 2 * y + 1 and consists of 3 locations. 15.10/7.34 - StatisticsResult: Timing statistics 15.10/7.34 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 29 SDslu, 7 SDs, 0 SdLazy, 61 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s 15.10/7.34 - TerminationAnalysisResult: Termination proven 15.10/7.34 Buchi Automizer proved that your program is terminating 15.10/7.34 RESULT: Ultimate proved your program to be correct! 15.10/7.34 !SESSION 2019-03-28 11:55:43.687 ----------------------------------------------- 15.10/7.34 eclipse.buildId=unknown 15.10/7.34 java.version=1.8.0_181 15.10/7.34 java.vendor=Oracle Corporation 15.10/7.34 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.10/7.34 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.10/7.34 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 15.10/7.34 15.10/7.34 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:55:49.971 15.10/7.34 !MESSAGE The workspace will exit with unsaved changes in this session. 15.10/7.34 Received shutdown request... 15.10/7.34 Ultimate: 15.10/7.34 GTK+ Version Check 15.10/7.34 EOF