15.02/7.03 YES 15.02/7.03 15.02/7.03 Ultimate: Cannot open display: 15.02/7.03 This is Ultimate 0.1.24-8dc7c08-m 15.02/7.03 [2019-03-28 11:56:16,068 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.02/7.03 [2019-03-28 11:56:16,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.02/7.03 [2019-03-28 11:56:16,082 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,082 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.02/7.03 [2019-03-28 11:56:16,083 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.02/7.03 [2019-03-28 11:56:16,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.02/7.03 [2019-03-28 11:56:16,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.02/7.03 [2019-03-28 11:56:16,087 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.02/7.03 [2019-03-28 11:56:16,088 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.02/7.03 [2019-03-28 11:56:16,089 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,089 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.02/7.03 [2019-03-28 11:56:16,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.02/7.03 [2019-03-28 11:56:16,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.02/7.03 [2019-03-28 11:56:16,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.02/7.03 [2019-03-28 11:56:16,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.02/7.03 [2019-03-28 11:56:16,093 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.02/7.03 [2019-03-28 11:56:16,095 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.02/7.03 [2019-03-28 11:56:16,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.02/7.03 [2019-03-28 11:56:16,098 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.02/7.03 [2019-03-28 11:56:16,099 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.02/7.03 [2019-03-28 11:56:16,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.02/7.03 [2019-03-28 11:56:16,103 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.02/7.03 [2019-03-28 11:56:16,104 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.02/7.03 [2019-03-28 11:56:16,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.02/7.03 [2019-03-28 11:56:16,105 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.02/7.03 [2019-03-28 11:56:16,106 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.02/7.03 [2019-03-28 11:56:16,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.02/7.03 [2019-03-28 11:56:16,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.02/7.03 [2019-03-28 11:56:16,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.02/7.03 [2019-03-28 11:56:16,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.02/7.03 [2019-03-28 11:56:16,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.02/7.03 [2019-03-28 11:56:16,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.02/7.03 [2019-03-28 11:56:16,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.02/7.03 [2019-03-28 11:56:16,112 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.02/7.03 [2019-03-28 11:56:16,126 INFO L110 SettingsManager]: Loading preferences was successful 15.02/7.03 [2019-03-28 11:56:16,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.02/7.03 [2019-03-28 11:56:16,127 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.02/7.03 [2019-03-28 11:56:16,127 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.02/7.03 [2019-03-28 11:56:16,128 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.02/7.03 [2019-03-28 11:56:16,128 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.02/7.03 [2019-03-28 11:56:16,128 INFO L133 SettingsManager]: * Use SBE=true 15.02/7.03 [2019-03-28 11:56:16,128 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.02/7.03 [2019-03-28 11:56:16,128 INFO L133 SettingsManager]: * Use old map elimination=false 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.02/7.03 [2019-03-28 11:56:16,129 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:16,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.02/7.03 [2019-03-28 11:56:16,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.02/7.03 [2019-03-28 11:56:16,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.02/7.03 [2019-03-28 11:56:16,130 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.02/7.03 [2019-03-28 11:56:16,130 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.02/7.03 [2019-03-28 11:56:16,130 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.02/7.03 [2019-03-28 11:56:16,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.02/7.03 [2019-03-28 11:56:16,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.02/7.03 [2019-03-28 11:56:16,131 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.02/7.03 [2019-03-28 11:56:16,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.02/7.03 [2019-03-28 11:56:16,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.02/7.03 [2019-03-28 11:56:16,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.02/7.03 [2019-03-28 11:56:16,132 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.02/7.03 [2019-03-28 11:56:16,132 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.02/7.03 [2019-03-28 11:56:16,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.02/7.03 [2019-03-28 11:56:16,170 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.02/7.03 [2019-03-28 11:56:16,174 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.02/7.03 [2019-03-28 11:56:16,175 INFO L271 PluginConnector]: Initializing CDTParser... 15.02/7.03 [2019-03-28 11:56:16,176 INFO L276 PluginConnector]: CDTParser initialized 15.02/7.03 [2019-03-28 11:56:16,176 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.02/7.03 [2019-03-28 11:56:16,242 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/19fdcc59ffef49b4b4fa513e2a7d86fc/FLAG646ec573b 15.02/7.03 [2019-03-28 11:56:16,570 INFO L307 CDTParser]: Found 1 translation units. 15.02/7.03 [2019-03-28 11:56:16,571 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.02/7.03 [2019-03-28 11:56:16,577 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/19fdcc59ffef49b4b4fa513e2a7d86fc/FLAG646ec573b 15.02/7.03 [2019-03-28 11:56:16,990 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/19fdcc59ffef49b4b4fa513e2a7d86fc 15.02/7.03 [2019-03-28 11:56:17,001 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.02/7.03 [2019-03-28 11:56:17,003 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.02/7.03 [2019-03-28 11:56:17,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.02/7.03 [2019-03-28 11:56:17,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.02/7.03 [2019-03-28 11:56:17,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.02/7.03 [2019-03-28 11:56:17,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:16" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4784e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:16" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.02/7.03 [2019-03-28 11:56:17,038 INFO L176 MainTranslator]: Built tables and reachable declarations 15.02/7.03 [2019-03-28 11:56:17,196 INFO L206 PostProcessor]: Analyzing one entry point: main 15.02/7.03 [2019-03-28 11:56:17,201 INFO L191 MainTranslator]: Completed pre-run 15.02/7.03 [2019-03-28 11:56:17,218 INFO L206 PostProcessor]: Analyzing one entry point: main 15.02/7.03 [2019-03-28 11:56:17,234 INFO L195 MainTranslator]: Completed translation 15.02/7.03 [2019-03-28 11:56:17,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17 WrapperNode 15.02/7.03 [2019-03-28 11:56:17,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.02/7.03 [2019-03-28 11:56:17,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.02/7.03 [2019-03-28 11:56:17,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.02/7.03 [2019-03-28 11:56:17,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.02/7.03 [2019-03-28 11:56:17,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.02/7.03 [2019-03-28 11:56:17,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.02/7.03 [2019-03-28 11:56:17,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.02/7.03 [2019-03-28 11:56:17,332 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.02/7.03 [2019-03-28 11:56:17,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.02/7.03 [2019-03-28 11:56:17,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.02/7.03 [2019-03-28 11:56:17,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.02/7.03 [2019-03-28 11:56:17,352 INFO L276 PluginConnector]: RCFGBuilder initialized 15.02/7.03 [2019-03-28 11:56:17,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (1/1) ... 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.02/7.03 [2019-03-28 11:56:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.02/7.03 [2019-03-28 11:56:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.02/7.03 [2019-03-28 11:56:17,543 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.02/7.03 [2019-03-28 11:56:17,543 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.02/7.03 [2019-03-28 11:56:17,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:17 BoogieIcfgContainer 15.02/7.03 [2019-03-28 11:56:17,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.02/7.03 [2019-03-28 11:56:17,545 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.02/7.03 [2019-03-28 11:56:17,545 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.02/7.03 [2019-03-28 11:56:17,548 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.02/7.03 [2019-03-28 11:56:17,548 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:17" (1/1) ... 15.02/7.03 [2019-03-28 11:56:17,563 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 8 edges 15.02/7.03 [2019-03-28 11:56:17,564 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.02/7.03 [2019-03-28 11:56:17,565 INFO L263 BlockEncoder]: Using Maximize final states 15.02/7.03 [2019-03-28 11:56:17,566 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.02/7.03 [2019-03-28 11:56:17,566 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.02/7.03 [2019-03-28 11:56:17,568 INFO L296 BlockEncoder]: Using Remove sink states 15.02/7.03 [2019-03-28 11:56:17,569 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.02/7.03 [2019-03-28 11:56:17,569 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.02/7.03 [2019-03-28 11:56:17,583 INFO L185 BlockEncoder]: Using Use SBE 15.02/7.03 [2019-03-28 11:56:17,599 INFO L200 BlockEncoder]: SBE split 2 edges 15.02/7.03 [2019-03-28 11:56:17,603 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.02/7.03 [2019-03-28 11:56:17,605 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.02/7.03 [2019-03-28 11:56:17,614 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 15.02/7.03 [2019-03-28 11:56:17,616 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 15.02/7.03 [2019-03-28 11:56:17,617 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.02/7.03 [2019-03-28 11:56:17,617 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.02/7.03 [2019-03-28 11:56:17,618 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.02/7.03 [2019-03-28 11:56:17,618 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.02/7.03 [2019-03-28 11:56:17,618 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 15.02/7.03 [2019-03-28 11:56:17,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:17 BasicIcfg 15.02/7.03 [2019-03-28 11:56:17,619 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.02/7.03 [2019-03-28 11:56:17,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.02/7.03 [2019-03-28 11:56:17,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.02/7.03 [2019-03-28 11:56:17,623 INFO L276 PluginConnector]: TraceAbstraction initialized 15.02/7.03 [2019-03-28 11:56:17,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:56:16" (1/4) ... 15.02/7.03 [2019-03-28 11:56:17,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (2/4) ... 15.02/7.03 [2019-03-28 11:56:17,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:17" (3/4) ... 15.02/7.03 [2019-03-28 11:56:17,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494f156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:17" (4/4) ... 15.02/7.03 [2019-03-28 11:56:17,627 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.02/7.03 [2019-03-28 11:56:17,636 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.02/7.03 [2019-03-28 11:56:17,644 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.02/7.03 [2019-03-28 11:56:17,661 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.02/7.03 [2019-03-28 11:56:17,690 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.02/7.03 [2019-03-28 11:56:17,691 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.02/7.03 [2019-03-28 11:56:17,691 INFO L383 AbstractCegarLoop]: Hoare is true 15.02/7.03 [2019-03-28 11:56:17,691 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.02/7.03 [2019-03-28 11:56:17,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.02/7.03 [2019-03-28 11:56:17,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.02/7.03 [2019-03-28 11:56:17,691 INFO L387 AbstractCegarLoop]: Difference is false 15.02/7.03 [2019-03-28 11:56:17,692 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.02/7.03 [2019-03-28 11:56:17,692 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.02/7.03 [2019-03-28 11:56:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:17,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.02/7.03 [2019-03-28 11:56:17,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.02/7.03 [2019-03-28 11:56:17,764 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 26) the Hoare annotation is: true 15.02/7.03 [2019-03-28 11:56:17,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.02/7.03 [2019-03-28 11:56:17,764 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 25) no Hoare annotation was computed. 15.02/7.03 [2019-03-28 11:56:17,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:17 BasicIcfg 15.02/7.03 [2019-03-28 11:56:17,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.02/7.03 [2019-03-28 11:56:17,773 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.02/7.03 [2019-03-28 11:56:17,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.02/7.03 [2019-03-28 11:56:17,776 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.02/7.03 [2019-03-28 11:56:17,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.02/7.03 [2019-03-28 11:56:17,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:56:16" (1/5) ... 15.02/7.03 [2019-03-28 11:56:17,778 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,778 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.02/7.03 [2019-03-28 11:56:17,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:17" (2/5) ... 15.02/7.03 [2019-03-28 11:56:17,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,779 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.02/7.03 [2019-03-28 11:56:17,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:17" (3/5) ... 15.02/7.03 [2019-03-28 11:56:17,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,780 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.02/7.03 [2019-03-28 11:56:17,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:17" (4/5) ... 15.02/7.03 [2019-03-28 11:56:17,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120ffcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:17, skipping insertion in model container 15.02/7.03 [2019-03-28 11:56:17,780 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.02/7.03 [2019-03-28 11:56:17,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:17" (5/5) ... 15.02/7.03 [2019-03-28 11:56:17,782 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.02/7.03 [2019-03-28 11:56:17,808 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.02/7.03 [2019-03-28 11:56:17,808 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.02/7.03 [2019-03-28 11:56:17,809 INFO L375 BuchiCegarLoop]: Hoare is true 15.02/7.03 [2019-03-28 11:56:17,809 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.02/7.03 [2019-03-28 11:56:17,809 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.02/7.03 [2019-03-28 11:56:17,809 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.02/7.03 [2019-03-28 11:56:17,810 INFO L379 BuchiCegarLoop]: Difference is false 15.02/7.03 [2019-03-28 11:56:17,810 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.02/7.03 [2019-03-28 11:56:17,810 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.02/7.03 [2019-03-28 11:56:17,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:17,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.02/7.03 [2019-03-28 11:56:17,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.02/7.03 [2019-03-28 11:56:17,831 INFO L119 BuchiIsEmpty]: Starting construction of run 15.02/7.03 [2019-03-28 11:56:17,838 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.02/7.03 [2019-03-28 11:56:17,838 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.02/7.03 [2019-03-28 11:56:17,838 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.02/7.03 [2019-03-28 11:56:17,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:17,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.02/7.03 [2019-03-28 11:56:17,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.02/7.03 [2019-03-28 11:56:17,839 INFO L119 BuchiIsEmpty]: Starting construction of run 15.02/7.03 [2019-03-28 11:56:17,839 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.02/7.03 [2019-03-28 11:56:17,839 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.02/7.03 [2019-03-28 11:56:17,845 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [22] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~d~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 4#L18-2true 15.02/7.03 [2019-03-28 11:56:17,845 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [25] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5) (< 0 v_ULTIMATE.start_main_~d~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_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_~d~0=v_ULTIMATE.start_main_~d~0_5} AuxVars[] AssignedVars[] 5#L18true [35] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~d~0_6 |v_ULTIMATE.start_main_#t~nondet4_3|)) InVars {ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 4#L18-2true 15.02/7.03 [2019-03-28 11:56:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:17,852 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:17,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:17,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:17,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:17,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1771, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:17,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:17,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:17,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:17,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:17,938 INFO L82 PathProgramCache]: Analyzing trace with hash 51743, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:17,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:17,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:17,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,015 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:18,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:18,016 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:18,016 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:18,016 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.02/7.03 [2019-03-28 11:56:18,016 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,017 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:18,017 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:18,017 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.02/7.03 [2019-03-28 11:56:18,017 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:18,017 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:18,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,157 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:18,157 INFO L412 LassoAnalysis]: Checking for nontermination... 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,163 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:18,196 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.02/7.03 [2019-03-28 11:56:18,196 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,202 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,202 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:18,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.02/7.03 [2019-03-28 11:56:18,209 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=4, ULTIMATE.start_main_~d~0=4} Honda state: {ULTIMATE.start_main_#t~nondet4=4, ULTIMATE.start_main_~d~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,237 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,267 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:18,299 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.02/7.03 [2019-03-28 11:56:18,301 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:18,301 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:18,301 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:18,301 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:18,302 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.02/7.03 [2019-03-28 11:56:18,302 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,302 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:18,302 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:18,302 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.02/7.03 [2019-03-28 11:56:18,302 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:18,302 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:18,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,387 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:18,393 INFO L497 LassoAnalysis]: Using template 'affine'. 15.02/7.03 [2019-03-28 11:56:18,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:18,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:18,397 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:18,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:18,398 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:18,398 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:18,400 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:18,400 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:18,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.02/7.03 [2019-03-28 11:56:18,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:18,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:18,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:18,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:18,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:18,407 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:18,408 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:18,408 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:18,414 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.02/7.03 [2019-03-28 11:56:18,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:18,415 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:18,415 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:18,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:18,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:18,416 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:18,416 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:18,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:18,422 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.02/7.03 [2019-03-28 11:56:18,426 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.02/7.03 [2019-03-28 11:56:18,426 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.02/7.03 [2019-03-28 11:56:18,428 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.02/7.03 [2019-03-28 11:56:18,428 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.02/7.03 [2019-03-28 11:56:18,429 INFO L518 LassoAnalysis]: Proved termination. 15.02/7.03 [2019-03-28 11:56:18,429 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.02/7.03 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.02/7.03 Supporting invariants [] 15.02/7.03 [2019-03-28 11:56:18,430 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.02/7.03 [2019-03-28 11:56:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:18,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:18,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:18,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:18,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.02/7.03 [2019-03-28 11:56:18,531 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.02/7.03 [2019-03-28 11:56:18,536 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.02/7.03 [2019-03-28 11:56:18,537 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.02/7.03 [2019-03-28 11:56:18,575 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. 15.02/7.03 [2019-03-28 11:56:18,576 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 15.02/7.03 [2019-03-28 11:56:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.02/7.03 [2019-03-28 11:56:18,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:18,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:18,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:18,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:18,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 15.02/7.03 [2019-03-28 11:56:18,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:18,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.02/7.03 [2019-03-28 11:56:18,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.02/7.03 [2019-03-28 11:56:18,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.02/7.03 [2019-03-28 11:56:18,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.02/7.03 [2019-03-28 11:56:18,595 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.02/7.03 [2019-03-28 11:56:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.02/7.03 [2019-03-28 11:56:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,624 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,624 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,624 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.02/7.03 [2019-03-28 11:56:18,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 15.02/7.03 [2019-03-28 11:56:18,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.02/7.03 [2019-03-28 11:56:18,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.02/7.03 [2019-03-28 11:56:18,625 INFO L119 BuchiIsEmpty]: Starting construction of run 15.02/7.03 [2019-03-28 11:56:18,626 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.02/7.03 [2019-03-28 11:56:18,626 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.02/7.03 [2019-03-28 11:56:18,626 INFO L794 eck$LassoCheckResult]: Stem: 48#ULTIMATE.startENTRY [22] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~d~0_1 |v_ULTIMATE.start_main_#t~nondet2_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_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_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_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |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_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 49#L18-2 [25] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5) (< 0 v_ULTIMATE.start_main_~d~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_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_~d~0=v_ULTIMATE.start_main_~d~0_5} AuxVars[] AssignedVars[] 47#L18 [27] L18-->L18-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet5_3|) (= v_ULTIMATE.start_main_~d~0_7 (+ v_ULTIMATE.start_main_~d~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 43#L18-2 15.02/7.03 [2019-03-28 11:56:18,627 INFO L796 eck$LassoCheckResult]: Loop: 43#L18-2 [25] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5) (< 0 v_ULTIMATE.start_main_~d~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_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_~d~0=v_ULTIMATE.start_main_~d~0_5} AuxVars[] AssignedVars[] 44#L18 [35] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~d~0_6 |v_ULTIMATE.start_main_#t~nondet4_3|)) InVars {ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 43#L18-2 15.02/7.03 [2019-03-28 11:56:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash 51735, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:18,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:18,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:18,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:18,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1771, now seen corresponding path program 2 times 15.02/7.03 [2019-03-28 11:56:18,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:18,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:18,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:18,647 INFO L82 PathProgramCache]: Analyzing trace with hash 49718145, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:18,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:18,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:18,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,648 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:18,688 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:18,689 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:18,689 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:18,689 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:18,689 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.02/7.03 [2019-03-28 11:56:18,689 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,689 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:18,689 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:18,689 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.02/7.03 [2019-03-28 11:56:18,690 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:18,690 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:18,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,764 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:18,765 INFO L412 LassoAnalysis]: Checking for nontermination... 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,768 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,768 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:18,799 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.02/7.03 [2019-03-28 11:56:18,799 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=-1} Honda state: {ULTIMATE.start_main_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,805 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,805 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,836 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:18,836 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:18,866 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.02/7.03 [2019-03-28 11:56:18,868 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:18,868 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:18,868 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:18,868 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:18,869 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.02/7.03 [2019-03-28 11:56:18,869 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:18,869 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:18,869 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:18,869 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.02/7.03 [2019-03-28 11:56:18,869 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:18,869 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:18,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:18,926 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:18,926 INFO L497 LassoAnalysis]: Using template 'affine'. 15.02/7.03 [2019-03-28 11:56:18,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:18,927 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:18,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:18,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:18,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:18,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:18,929 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:18,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:18,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.02/7.03 [2019-03-28 11:56:18,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:18,934 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:18,934 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:18,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:18,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:18,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:18,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:18,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:18,940 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.02/7.03 [2019-03-28 11:56:18,943 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.02/7.03 [2019-03-28 11:56:18,943 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.02/7.03 [2019-03-28 11:56:18,944 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.02/7.03 [2019-03-28 11:56:18,944 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.02/7.03 [2019-03-28 11:56:18,944 INFO L518 LassoAnalysis]: Proved termination. 15.02/7.03 [2019-03-28 11:56:18,944 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.02/7.03 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.02/7.03 Supporting invariants [] 15.02/7.03 [2019-03-28 11:56:18,945 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.02/7.03 [2019-03-28 11:56:18,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:18,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:18,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:18,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:18,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.02/7.03 [2019-03-28 11:56:19,022 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.02/7.03 [2019-03-28 11:56:19,022 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.02/7.03 [2019-03-28 11:56:19,023 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. 15.02/7.03 [2019-03-28 11:56:19,044 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 9 states and 15 transitions. Complement of second has 4 states. 15.02/7.03 [2019-03-28 11:56:19,045 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 15.02/7.03 [2019-03-28 11:56:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.02/7.03 [2019-03-28 11:56:19,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:19,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:19,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. 15.02/7.03 [2019-03-28 11:56:19,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 15 transitions. 15.02/7.03 [2019-03-28 11:56:19,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.02/7.03 [2019-03-28 11:56:19,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 15 transitions. 15.02/7.03 [2019-03-28 11:56:19,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.02/7.03 [2019-03-28 11:56:19,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.02/7.03 [2019-03-28 11:56:19,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. 15.02/7.03 [2019-03-28 11:56:19,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.02/7.03 [2019-03-28 11:56:19,052 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 15.02/7.03 [2019-03-28 11:56:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 15.02/7.03 [2019-03-28 11:56:19,053 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.02/7.03 [2019-03-28 11:56:19,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 15.02/7.03 [2019-03-28 11:56:19,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.02/7.03 [2019-03-28 11:56:19,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.02/7.03 [2019-03-28 11:56:19,054 INFO L119 BuchiIsEmpty]: Starting construction of run 15.02/7.03 [2019-03-28 11:56:19,054 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.02/7.03 [2019-03-28 11:56:19,055 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.02/7.03 [2019-03-28 11:56:19,055 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY [22] ULTIMATE.startENTRY-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~d~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 95#L18-2 15.02/7.03 [2019-03-28 11:56:19,055 INFO L796 eck$LassoCheckResult]: Loop: 95#L18-2 [25] L18-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_5) (< 0 v_ULTIMATE.start_main_~x~0_5) (< 0 v_ULTIMATE.start_main_~d~0_5)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_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_~d~0=v_ULTIMATE.start_main_~d~0_5} AuxVars[] AssignedVars[] 97#L18 [27] L18-->L18-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (= v_ULTIMATE.start_main_~x~0_8 |v_ULTIMATE.start_main_#t~nondet5_3|) (= v_ULTIMATE.start_main_~d~0_7 (+ v_ULTIMATE.start_main_~d~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_~d~0=v_ULTIMATE.start_main_~d~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~d~0] 95#L18-2 15.02/7.03 [2019-03-28 11:56:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:19,056 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 2 times 15.02/7.03 [2019-03-28 11:56:19,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:19,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:19,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:19,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1763, now seen corresponding path program 1 times 15.02/7.03 [2019-03-28 11:56:19,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:19,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,064 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:19,071 INFO L82 PathProgramCache]: Analyzing trace with hash 51735, now seen corresponding path program 2 times 15.02/7.03 [2019-03-28 11:56:19,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.02/7.03 [2019-03-28 11:56:19,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.02/7.03 [2019-03-28 11:56:19,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.02/7.03 [2019-03-28 11:56:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.02/7.03 [2019-03-28 11:56:19,124 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:19,124 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:19,124 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:19,125 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:19,125 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.02/7.03 [2019-03-28 11:56:19,125 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:19,125 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:19,125 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:19,126 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.02/7.03 [2019-03-28 11:56:19,126 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:19,126 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:19,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,198 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:19,199 INFO L412 LassoAnalysis]: Checking for nontermination... 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:19,205 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:19,205 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:19,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.02/7.03 [2019-03-28 11:56:19,210 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:19,241 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:19,241 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.02/7.03 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.02/7.03 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:19,273 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.02/7.03 [2019-03-28 11:56:19,273 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.02/7.03 [2019-03-28 11:56:19,305 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.02/7.03 [2019-03-28 11:56:19,308 INFO L216 LassoAnalysis]: Preferences: 15.02/7.03 [2019-03-28 11:56:19,308 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.02/7.03 [2019-03-28 11:56:19,308 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.02/7.03 [2019-03-28 11:56:19,308 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.02/7.03 [2019-03-28 11:56:19,308 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.02/7.03 [2019-03-28 11:56:19,308 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.02/7.03 [2019-03-28 11:56:19,309 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.02/7.03 [2019-03-28 11:56:19,309 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.02/7.03 [2019-03-28 11:56:19,309 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.02/7.03 [2019-03-28 11:56:19,309 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.02/7.03 [2019-03-28 11:56:19,309 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.02/7.03 [2019-03-28 11:56:19,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.02/7.03 [2019-03-28 11:56:19,401 INFO L300 LassoAnalysis]: Preprocessing complete. 15.02/7.03 [2019-03-28 11:56:19,402 INFO L497 LassoAnalysis]: Using template 'affine'. 15.02/7.03 [2019-03-28 11:56:19,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:19,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:19,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:19,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:19,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:19,404 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:19,404 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:19,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:19,406 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.02/7.03 [2019-03-28 11:56:19,407 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.02/7.03 Termination analysis: LINEAR_WITH_GUESSES 15.02/7.03 Number of strict supporting invariants: 0 15.02/7.03 Number of non-strict supporting invariants: 1 15.02/7.03 Consider only non-deceasing supporting invariants: true 15.02/7.03 Simplify termination arguments: true 15.02/7.03 Simplify supporting invariants: trueOverapproximate stem: false 15.02/7.03 [2019-03-28 11:56:19,407 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.02/7.03 [2019-03-28 11:56:19,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.02/7.03 [2019-03-28 11:56:19,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.02/7.03 [2019-03-28 11:56:19,408 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.02/7.03 [2019-03-28 11:56:19,408 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.02/7.03 [2019-03-28 11:56:19,409 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.02/7.03 [2019-03-28 11:56:19,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.02/7.03 [2019-03-28 11:56:19,413 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.02/7.03 [2019-03-28 11:56:19,416 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.02/7.03 [2019-03-28 11:56:19,416 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.02/7.03 [2019-03-28 11:56:19,417 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.02/7.03 [2019-03-28 11:56:19,417 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.02/7.03 [2019-03-28 11:56:19,417 INFO L518 LassoAnalysis]: Proved termination. 15.02/7.03 [2019-03-28 11:56:19,417 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.02/7.03 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 15.02/7.03 Supporting invariants [] 15.02/7.03 [2019-03-28 11:56:19,417 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.02/7.03 [2019-03-28 11:56:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.02/7.03 [2019-03-28 11:56:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:19,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:19,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.02/7.03 [2019-03-28 11:56:19,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 15.02/7.03 [2019-03-28 11:56:19,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.02/7.03 [2019-03-28 11:56:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.02/7.03 [2019-03-28 11:56:19,472 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.02/7.03 [2019-03-28 11:56:19,473 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.02/7.03 [2019-03-28 11:56:19,473 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. 15.02/7.03 [2019-03-28 11:56:19,491 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 11 states and 20 transitions. Complement of second has 4 states. 15.02/7.03 [2019-03-28 11:56:19,492 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 15.02/7.03 [2019-03-28 11:56:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 15.02/7.03 [2019-03-28 11:56:19,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.02/7.03 [2019-03-28 11:56:19,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 20 transitions. 15.02/7.03 [2019-03-28 11:56:19,496 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.02/7.03 [2019-03-28 11:56:19,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.02/7.03 [2019-03-28 11:56:19,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.02/7.03 [2019-03-28 11:56:19,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.02/7.03 [2019-03-28 11:56:19,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.02/7.03 [2019-03-28 11:56:19,497 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.02/7.03 [2019-03-28 11:56:19,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.02/7.03 [2019-03-28 11:56:19,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:19 BasicIcfg 15.02/7.03 [2019-03-28 11:56:19,504 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.02/7.03 [2019-03-28 11:56:19,504 INFO L168 Benchmark]: Toolchain (without parser) took 2502.63 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 559.5 MB in the beginning and 416.4 MB in the end (delta: 143.1 MB). Peak memory consumption was 173.5 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,506 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. 15.02/7.03 [2019-03-28 11:56:19,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.05 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.10 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 548.7 MB in the beginning and 646.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,508 INFO L168 Benchmark]: Boogie Preprocessor took 19.64 ms. Allocated memory is still 680.0 MB. Free memory was 646.8 MB in the beginning and 643.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,508 INFO L168 Benchmark]: RCFGBuilder took 193.37 ms. Allocated memory is still 680.0 MB. Free memory was 643.9 MB in the beginning and 630.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,509 INFO L168 Benchmark]: BlockEncodingV2 took 73.46 ms. Allocated memory is still 680.0 MB. Free memory was 630.4 MB in the beginning and 626.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,510 INFO L168 Benchmark]: TraceAbstraction took 152.77 ms. Allocated memory is still 680.0 MB. Free memory was 625.1 MB in the beginning and 616.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,510 INFO L168 Benchmark]: BuchiAutomizer took 1731.11 ms. Allocated memory is still 680.0 MB. Free memory was 616.4 MB in the beginning and 416.4 MB in the end (delta: 200.0 MB). Peak memory consumption was 200.0 MB. Max. memory is 50.3 GB. 15.02/7.03 [2019-03-28 11:56:19,515 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.02/7.03 --- Results --- 15.02/7.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.02/7.03 - StatisticsResult: Initial Icfg 15.02/7.03 6 locations, 8 edges 15.02/7.03 - StatisticsResult: Encoded RCFG 15.02/7.03 3 locations, 5 edges 15.02/7.03 * Results from de.uni_freiburg.informatik.ultimate.core: 15.02/7.03 - StatisticsResult: Toolchain Benchmarks 15.02/7.03 Benchmark results are: 15.02/7.03 * 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. 15.02/7.03 * CACSL2BoogieTranslator took 231.05 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.02/7.03 * Boogie Procedure Inliner took 96.10 ms. Allocated memory was 649.6 MB in the beginning and 680.0 MB in the end (delta: 30.4 MB). Free memory was 548.7 MB in the beginning and 646.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 15.02/7.03 * Boogie Preprocessor took 19.64 ms. Allocated memory is still 680.0 MB. Free memory was 646.8 MB in the beginning and 643.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.02/7.03 * RCFGBuilder took 193.37 ms. Allocated memory is still 680.0 MB. Free memory was 643.9 MB in the beginning and 630.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.02/7.03 * BlockEncodingV2 took 73.46 ms. Allocated memory is still 680.0 MB. Free memory was 630.4 MB in the beginning and 626.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.02/7.03 * TraceAbstraction took 152.77 ms. Allocated memory is still 680.0 MB. Free memory was 625.1 MB in the beginning and 616.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.02/7.03 * BuchiAutomizer took 1731.11 ms. Allocated memory is still 680.0 MB. Free memory was 616.4 MB in the beginning and 416.4 MB in the end (delta: 200.0 MB). Peak memory consumption was 200.0 MB. Max. memory is 50.3 GB. 15.02/7.03 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.02/7.03 - AllSpecificationsHoldResult: All specifications hold 15.02/7.03 We were not able to verify any specifiation because the program does not contain any specification. 15.02/7.03 - InvariantResult [Line: 17]: Loop Invariant 15.02/7.03 Derived loop invariant: 1 15.02/7.03 - StatisticsResult: Ultimate Automizer benchmark data 15.02/7.03 CFG has 1 procedures, 3 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=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.02/7.03 - StatisticsResult: Constructed decomposition of program 15.02/7.03 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 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 15.02/7.03 - StatisticsResult: Timing statistics 15.02/7.03 BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 4 StatesRemovedByMinimization, 1 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: 11 SDtfs, 22 SDslu, 2 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 15.02/7.03 - TerminationAnalysisResult: Termination proven 15.02/7.03 Buchi Automizer proved that your program is terminating 15.02/7.03 RESULT: Ultimate proved your program to be correct! 15.02/7.03 !SESSION 2019-03-28 11:56:13.755 ----------------------------------------------- 15.02/7.03 eclipse.buildId=unknown 15.02/7.03 java.version=1.8.0_181 15.02/7.03 java.vendor=Oracle Corporation 15.02/7.03 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.02/7.03 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.02/7.03 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.02/7.03 15.02/7.03 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:56:19.750 15.02/7.03 !MESSAGE The workspace will exit with unsaved changes in this session. 15.02/7.03 Received shutdown request... 15.02/7.03 Ultimate: 15.02/7.03 GTK+ Version Check 15.02/7.03 EOF