15.39/7.56 YES 15.39/7.56 15.39/7.56 Ultimate: Cannot open display: 15.39/7.56 This is Ultimate 0.1.24-8dc7c08-m 15.39/7.56 [2019-03-29 01:54:45,106 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.39/7.56 [2019-03-29 01:54:45,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.39/7.56 [2019-03-29 01:54:45,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.39/7.56 [2019-03-29 01:54:45,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.39/7.56 [2019-03-29 01:54:45,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.39/7.56 [2019-03-29 01:54:45,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.39/7.56 [2019-03-29 01:54:45,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.39/7.56 [2019-03-29 01:54:45,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.39/7.56 [2019-03-29 01:54:45,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.39/7.56 [2019-03-29 01:54:45,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.39/7.56 [2019-03-29 01:54:45,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.39/7.56 [2019-03-29 01:54:45,130 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.39/7.56 [2019-03-29 01:54:45,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.39/7.56 [2019-03-29 01:54:45,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.39/7.56 [2019-03-29 01:54:45,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.39/7.56 [2019-03-29 01:54:45,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.39/7.56 [2019-03-29 01:54:45,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.39/7.56 [2019-03-29 01:54:45,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.39/7.56 [2019-03-29 01:54:45,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.39/7.56 [2019-03-29 01:54:45,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.39/7.56 [2019-03-29 01:54:45,142 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.39/7.56 [2019-03-29 01:54:45,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.39/7.56 [2019-03-29 01:54:45,143 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.39/7.56 [2019-03-29 01:54:45,144 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.39/7.56 [2019-03-29 01:54:45,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.39/7.56 [2019-03-29 01:54:45,146 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.39/7.56 [2019-03-29 01:54:45,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.39/7.56 [2019-03-29 01:54:45,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.39/7.56 [2019-03-29 01:54:45,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.39/7.56 [2019-03-29 01:54:45,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.39/7.56 [2019-03-29 01:54:45,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.39/7.56 [2019-03-29 01:54:45,150 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.39/7.56 [2019-03-29 01:54:45,165 INFO L110 SettingsManager]: Loading preferences was successful 15.39/7.56 [2019-03-29 01:54:45,165 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.39/7.56 [2019-03-29 01:54:45,166 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.39/7.56 [2019-03-29 01:54:45,166 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.39/7.56 [2019-03-29 01:54:45,166 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.39/7.56 [2019-03-29 01:54:45,166 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.39/7.56 [2019-03-29 01:54:45,167 INFO L133 SettingsManager]: * Use SBE=true 15.39/7.56 [2019-03-29 01:54:45,167 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.39/7.56 [2019-03-29 01:54:45,167 INFO L133 SettingsManager]: * Use old map elimination=false 15.39/7.56 [2019-03-29 01:54:45,167 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.39/7.56 [2019-03-29 01:54:45,167 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.39/7.56 [2019-03-29 01:54:45,167 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.39/7.56 [2019-03-29 01:54:45,168 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.39/7.56 [2019-03-29 01:54:45,168 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.39/7.56 [2019-03-29 01:54:45,168 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:45,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.39/7.56 [2019-03-29 01:54:45,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.39/7.56 [2019-03-29 01:54:45,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.39/7.56 [2019-03-29 01:54:45,169 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.39/7.56 [2019-03-29 01:54:45,169 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.39/7.56 [2019-03-29 01:54:45,169 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.39/7.56 [2019-03-29 01:54:45,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.39/7.56 [2019-03-29 01:54:45,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.39/7.56 [2019-03-29 01:54:45,170 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.39/7.56 [2019-03-29 01:54:45,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.39/7.56 [2019-03-29 01:54:45,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.39/7.56 [2019-03-29 01:54:45,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.39/7.56 [2019-03-29 01:54:45,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.39/7.56 [2019-03-29 01:54:45,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.39/7.56 [2019-03-29 01:54:45,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.39/7.56 [2019-03-29 01:54:45,210 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.39/7.56 [2019-03-29 01:54:45,213 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.39/7.56 [2019-03-29 01:54:45,215 INFO L271 PluginConnector]: Initializing CDTParser... 15.39/7.56 [2019-03-29 01:54:45,215 INFO L276 PluginConnector]: CDTParser initialized 15.39/7.56 [2019-03-29 01:54:45,216 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.39/7.56 [2019-03-29 01:54:45,284 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/419991dbcf78436b9b2987630a40ca04/FLAG302310291 15.39/7.56 [2019-03-29 01:54:45,634 INFO L307 CDTParser]: Found 1 translation units. 15.39/7.56 [2019-03-29 01:54:45,635 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.39/7.56 [2019-03-29 01:54:45,641 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/419991dbcf78436b9b2987630a40ca04/FLAG302310291 15.39/7.56 [2019-03-29 01:54:46,058 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/419991dbcf78436b9b2987630a40ca04 15.39/7.56 [2019-03-29 01:54:46,070 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.39/7.56 [2019-03-29 01:54:46,072 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.39/7.56 [2019-03-29 01:54:46,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.39/7.56 [2019-03-29 01:54:46,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.39/7.56 [2019-03-29 01:54:46,077 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.39/7.56 [2019-03-29 01:54:46,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b89d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.39/7.56 [2019-03-29 01:54:46,107 INFO L176 MainTranslator]: Built tables and reachable declarations 15.39/7.56 [2019-03-29 01:54:46,261 INFO L206 PostProcessor]: Analyzing one entry point: main 15.39/7.56 [2019-03-29 01:54:46,265 INFO L191 MainTranslator]: Completed pre-run 15.39/7.56 [2019-03-29 01:54:46,281 INFO L206 PostProcessor]: Analyzing one entry point: main 15.39/7.56 [2019-03-29 01:54:46,351 INFO L195 MainTranslator]: Completed translation 15.39/7.56 [2019-03-29 01:54:46,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46 WrapperNode 15.39/7.56 [2019-03-29 01:54:46,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.39/7.56 [2019-03-29 01:54:46,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.39/7.56 [2019-03-29 01:54:46,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.39/7.56 [2019-03-29 01:54:46,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.39/7.56 [2019-03-29 01:54:46,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.39/7.56 [2019-03-29 01:54:46,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.39/7.56 [2019-03-29 01:54:46,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.39/7.56 [2019-03-29 01:54:46,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.39/7.56 [2019-03-29 01:54:46,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.39/7.56 [2019-03-29 01:54:46,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.39/7.56 [2019-03-29 01:54:46,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.39/7.56 [2019-03-29 01:54:46,409 INFO L276 PluginConnector]: RCFGBuilder initialized 15.39/7.56 [2019-03-29 01:54:46,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (1/1) ... 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.39/7.56 [2019-03-29 01:54:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.39/7.56 [2019-03-29 01:54:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.39/7.56 [2019-03-29 01:54:46,610 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.39/7.56 [2019-03-29 01:54:46,610 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.39/7.56 [2019-03-29 01:54:46,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:54:46 BoogieIcfgContainer 15.39/7.56 [2019-03-29 01:54:46,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.39/7.56 [2019-03-29 01:54:46,612 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.39/7.56 [2019-03-29 01:54:46,613 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.39/7.56 [2019-03-29 01:54:46,615 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.39/7.56 [2019-03-29 01:54:46,616 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:54:46" (1/1) ... 15.39/7.56 [2019-03-29 01:54:46,630 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 15 edges 15.39/7.56 [2019-03-29 01:54:46,631 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.39/7.56 [2019-03-29 01:54:46,632 INFO L263 BlockEncoder]: Using Maximize final states 15.39/7.56 [2019-03-29 01:54:46,633 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.39/7.56 [2019-03-29 01:54:46,633 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.39/7.56 [2019-03-29 01:54:46,635 INFO L296 BlockEncoder]: Using Remove sink states 15.39/7.56 [2019-03-29 01:54:46,636 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.39/7.56 [2019-03-29 01:54:46,636 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.39/7.56 [2019-03-29 01:54:46,651 INFO L185 BlockEncoder]: Using Use SBE 15.39/7.56 [2019-03-29 01:54:46,664 INFO L200 BlockEncoder]: SBE split 1 edges 15.39/7.56 [2019-03-29 01:54:46,669 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 15.39/7.56 [2019-03-29 01:54:46,670 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.39/7.56 [2019-03-29 01:54:46,680 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.39/7.56 [2019-03-29 01:54:46,682 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 15.39/7.56 [2019-03-29 01:54:46,683 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.39/7.56 [2019-03-29 01:54:46,684 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.39/7.56 [2019-03-29 01:54:46,684 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.39/7.56 [2019-03-29 01:54:46,684 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.39/7.56 [2019-03-29 01:54:46,685 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 15.39/7.56 [2019-03-29 01:54:46,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:54:46 BasicIcfg 15.39/7.56 [2019-03-29 01:54:46,685 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.39/7.56 [2019-03-29 01:54:46,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.39/7.56 [2019-03-29 01:54:46,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.39/7.56 [2019-03-29 01:54:46,690 INFO L276 PluginConnector]: TraceAbstraction initialized 15.39/7.56 [2019-03-29 01:54:46,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:54:46" (1/4) ... 15.39/7.56 [2019-03-29 01:54:46,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d30c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (2/4) ... 15.39/7.56 [2019-03-29 01:54:46,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d30c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:54:46" (3/4) ... 15.39/7.56 [2019-03-29 01:54:46,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d30c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:54:46" (4/4) ... 15.39/7.56 [2019-03-29 01:54:46,694 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.39/7.56 [2019-03-29 01:54:46,704 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.39/7.56 [2019-03-29 01:54:46,712 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.39/7.56 [2019-03-29 01:54:46,730 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.39/7.56 [2019-03-29 01:54:46,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.39/7.56 [2019-03-29 01:54:46,760 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.39/7.56 [2019-03-29 01:54:46,760 INFO L383 AbstractCegarLoop]: Hoare is true 15.39/7.56 [2019-03-29 01:54:46,760 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.39/7.56 [2019-03-29 01:54:46,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.39/7.56 [2019-03-29 01:54:46,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.39/7.56 [2019-03-29 01:54:46,760 INFO L387 AbstractCegarLoop]: Difference is false 15.39/7.56 [2019-03-29 01:54:46,760 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.39/7.56 [2019-03-29 01:54:46,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.39/7.56 [2019-03-29 01:54:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.39/7.56 [2019-03-29 01:54:46,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.39/7.56 [2019-03-29 01:54:46,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.39/7.56 [2019-03-29 01:54:46,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.39/7.56 [2019-03-29 01:54:46,840 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 15 17) the Hoare annotation is: true 15.39/7.56 [2019-03-29 01:54:46,840 INFO L451 ceAbstractionStarter]: At program point L15-3(lines 9 19) the Hoare annotation is: true 15.39/7.56 [2019-03-29 01:54:46,840 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 18) no Hoare annotation was computed. 15.39/7.56 [2019-03-29 01:54:46,840 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: true 15.39/7.56 [2019-03-29 01:54:46,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:54:46 BasicIcfg 15.39/7.56 [2019-03-29 01:54:46,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.39/7.56 [2019-03-29 01:54:46,850 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.39/7.56 [2019-03-29 01:54:46,850 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.39/7.56 [2019-03-29 01:54:46,853 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.39/7.56 [2019-03-29 01:54:46,854 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.56 [2019-03-29 01:54:46,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:54:46" (1/5) ... 15.39/7.56 [2019-03-29 01:54:46,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d978bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,855 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.56 [2019-03-29 01:54:46,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:54:46" (2/5) ... 15.39/7.56 [2019-03-29 01:54:46,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d978bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,856 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.56 [2019-03-29 01:54:46,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:54:46" (3/5) ... 15.39/7.56 [2019-03-29 01:54:46,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d978bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.56 [2019-03-29 01:54:46,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:54:46" (4/5) ... 15.39/7.56 [2019-03-29 01:54:46,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d978bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:54:46, skipping insertion in model container 15.39/7.56 [2019-03-29 01:54:46,857 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.39/7.56 [2019-03-29 01:54:46,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:54:46" (5/5) ... 15.39/7.56 [2019-03-29 01:54:46,859 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.39/7.56 [2019-03-29 01:54:46,888 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.39/7.56 [2019-03-29 01:54:46,888 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.39/7.56 [2019-03-29 01:54:46,888 INFO L375 BuchiCegarLoop]: Hoare is true 15.39/7.56 [2019-03-29 01:54:46,888 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.39/7.56 [2019-03-29 01:54:46,888 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.39/7.56 [2019-03-29 01:54:46,889 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.39/7.56 [2019-03-29 01:54:46,889 INFO L379 BuchiCegarLoop]: Difference is false 15.39/7.56 [2019-03-29 01:54:46,889 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.39/7.56 [2019-03-29 01:54:46,889 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.39/7.56 [2019-03-29 01:54:46,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.39/7.56 [2019-03-29 01:54:46,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.39/7.56 [2019-03-29 01:54:46,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:46,910 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:46,915 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:46,916 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.39/7.56 [2019-03-29 01:54:46,916 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.39/7.56 [2019-03-29 01:54:46,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.39/7.56 [2019-03-29 01:54:46,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.39/7.56 [2019-03-29 01:54:46,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:46,917 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:46,917 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:46,917 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.39/7.56 [2019-03-29 01:54:46,923 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L15-3true 15.39/7.56 [2019-03-29 01:54:46,923 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-3true [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 3#L10true [63] L10-->L15-2: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 6#L15-2true [65] L15-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 5#L15-3true 15.39/7.56 [2019-03-29 01:54:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:46,929 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:46,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:46,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:46,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:46,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:46,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,000 INFO L82 PathProgramCache]: Analyzing trace with hash 81781, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:47,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:47,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.39/7.56 [2019-03-29 01:54:47,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.39/7.56 [2019-03-29 01:54:47,051 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.39/7.56 [2019-03-29 01:54:47,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.39/7.56 [2019-03-29 01:54:47,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.39/7.56 [2019-03-29 01:54:47,068 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. 15.39/7.56 [2019-03-29 01:54:47,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.39/7.56 [2019-03-29 01:54:47,097 INFO L93 Difference]: Finished difference Result 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.39/7.56 [2019-03-29 01:54:47,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 15.39/7.56 [2019-03-29 01:54:47,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.39/7.56 [2019-03-29 01:54:47,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 15.39/7.56 [2019-03-29 01:54:47,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.56 [2019-03-29 01:54:47,108 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 15.39/7.56 [2019-03-29 01:54:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.39/7.56 [2019-03-29 01:54:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:47,137 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:47,137 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:47,137 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.39/7.56 [2019-03-29 01:54:47,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:47,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.39/7.56 [2019-03-29 01:54:47,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:47,138 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:47,139 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:47,139 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.39/7.56 [2019-03-29 01:54:47,139 INFO L794 eck$LassoCheckResult]: Stem: 24#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 25#L15-3 15.39/7.56 [2019-03-29 01:54:47,139 INFO L796 eck$LassoCheckResult]: Loop: 25#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 21#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 22#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 25#L15-3 15.39/7.56 [2019-03-29 01:54:47,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,140 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 2 times 15.39/7.56 [2019-03-29 01:54:47,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,147 INFO L82 PathProgramCache]: Analyzing trace with hash 81284, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:47,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,149 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:47,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.39/7.56 [2019-03-29 01:54:47,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.39/7.56 [2019-03-29 01:54:47,161 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.39/7.56 [2019-03-29 01:54:47,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.39/7.56 [2019-03-29 01:54:47,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.39/7.56 [2019-03-29 01:54:47,162 INFO L87 Difference]: Start difference. First operand 6 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. 15.39/7.56 [2019-03-29 01:54:47,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.39/7.56 [2019-03-29 01:54:47,184 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.39/7.56 [2019-03-29 01:54:47,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 15.39/7.56 [2019-03-29 01:54:47,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 15.39/7.56 [2019-03-29 01:54:47,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.39/7.56 [2019-03-29 01:54:47,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.56 [2019-03-29 01:54:47,188 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 15.39/7.56 [2019-03-29 01:54:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.39/7.56 [2019-03-29 01:54:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,189 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,190 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,190 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.39/7.56 [2019-03-29 01:54:47,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 15.39/7.56 [2019-03-29 01:54:47,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 15.39/7.56 [2019-03-29 01:54:47,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:47,191 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:47,191 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:47,191 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.39/7.56 [2019-03-29 01:54:47,191 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 45#L15-3 15.39/7.56 [2019-03-29 01:54:47,192 INFO L796 eck$LassoCheckResult]: Loop: 45#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 41#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 42#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 47#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 45#L15-3 15.39/7.56 [2019-03-29 01:54:47,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,192 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 3 times 15.39/7.56 [2019-03-29 01:54:47,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2519744, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:47,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,201 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:47,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 15.39/7.56 [2019-03-29 01:54:47,233 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 15.39/7.56 [2019-03-29 01:54:47,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:47,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:47,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 15.39/7.56 [2019-03-29 01:54:47,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 15.39/7.56 [2019-03-29 01:54:47,307 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.39/7.56 [2019-03-29 01:54:47,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 15.39/7.56 [2019-03-29 01:54:47,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 15.39/7.56 [2019-03-29 01:54:47,308 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. cyclomatic complexity: 4 Second operand 5 states. 15.39/7.56 [2019-03-29 01:54:47,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.39/7.56 [2019-03-29 01:54:47,370 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 15.39/7.56 [2019-03-29 01:54:47,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.39/7.56 [2019-03-29 01:54:47,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 15.39/7.56 [2019-03-29 01:54:47,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 15.39/7.56 [2019-03-29 01:54:47,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.56 [2019-03-29 01:54:47,373 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. 15.39/7.56 [2019-03-29 01:54:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. 15.39/7.56 [2019-03-29 01:54:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 15.39/7.56 [2019-03-29 01:54:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,375 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,375 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,375 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.39/7.56 [2019-03-29 01:54:47,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 15.39/7.56 [2019-03-29 01:54:47,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 15.39/7.56 [2019-03-29 01:54:47,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:47,376 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:47,376 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:47,376 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.39/7.56 [2019-03-29 01:54:47,376 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 83#L15-3 15.39/7.56 [2019-03-29 01:54:47,377 INFO L796 eck$LassoCheckResult]: Loop: 83#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 79#L10 [63] L10-->L15-2: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[] 81#L15-2 [56] L15-2-->L15-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 84#L15-2 [65] L15-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 83#L15-3 15.39/7.56 [2019-03-29 01:54:47,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,377 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 4 times 15.39/7.56 [2019-03-29 01:54:47,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,383 INFO L82 PathProgramCache]: Analyzing trace with hash 2534997, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:47,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,385 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,392 INFO L82 PathProgramCache]: Analyzing trace with hash 75493156, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:47,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:47,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:47,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:47,452 INFO L216 LassoAnalysis]: Preferences: 15.39/7.56 [2019-03-29 01:54:47,453 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.56 [2019-03-29 01:54:47,453 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.56 [2019-03-29 01:54:47,453 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.56 [2019-03-29 01:54:47,454 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.39/7.56 [2019-03-29 01:54:47,454 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:47,454 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.56 [2019-03-29 01:54:47,454 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.56 [2019-03-29 01:54:47,454 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.39/7.56 [2019-03-29 01:54:47,454 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.56 [2019-03-29 01:54:47,455 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.56 [2019-03-29 01:54:47,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,583 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.56 [2019-03-29 01:54:47,584 INFO L412 LassoAnalysis]: Checking for nontermination... 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:47,592 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:47,592 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:47,633 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:47,633 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 [2019-03-29 01:54:47,757 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.39/7.56 [2019-03-29 01:54:47,759 INFO L216 LassoAnalysis]: Preferences: 15.39/7.56 [2019-03-29 01:54:47,760 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.56 [2019-03-29 01:54:47,760 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.56 [2019-03-29 01:54:47,760 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.56 [2019-03-29 01:54:47,760 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.39/7.56 [2019-03-29 01:54:47,760 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:47,760 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.56 [2019-03-29 01:54:47,760 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.56 [2019-03-29 01:54:47,761 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.39/7.56 [2019-03-29 01:54:47,761 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.56 [2019-03-29 01:54:47,761 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.56 [2019-03-29 01:54:47,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:47,847 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.56 [2019-03-29 01:54:47,853 INFO L497 LassoAnalysis]: Using template 'affine'. 15.39/7.56 [2019-03-29 01:54:47,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.56 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.56 Number of strict supporting invariants: 0 15.39/7.56 Number of non-strict supporting invariants: 1 15.39/7.56 Consider only non-deceasing supporting invariants: true 15.39/7.56 Simplify termination arguments: true 15.39/7.56 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.56 [2019-03-29 01:54:47,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.56 [2019-03-29 01:54:47,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.56 [2019-03-29 01:54:47,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.56 [2019-03-29 01:54:47,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.56 [2019-03-29 01:54:47,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.56 [2019-03-29 01:54:47,871 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.56 [2019-03-29 01:54:47,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.56 [2019-03-29 01:54:47,878 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.39/7.56 [2019-03-29 01:54:47,888 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.39/7.56 [2019-03-29 01:54:47,888 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 15.39/7.56 [2019-03-29 01:54:47,890 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.39/7.56 [2019-03-29 01:54:47,890 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.39/7.56 [2019-03-29 01:54:47,891 INFO L518 LassoAnalysis]: Proved termination. 15.39/7.56 [2019-03-29 01:54:47,891 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.39/7.56 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 15.39/7.56 Supporting invariants [] 15.39/7.56 [2019-03-29 01:54:47,892 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.39/7.56 [2019-03-29 01:54:47,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:47,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:47,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:47,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:47,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:47,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:47,966 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 5 predicates after loop cannibalization 15.39/7.56 [2019-03-29 01:54:47,969 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates 15.39/7.56 [2019-03-29 01:54:47,970 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. 15.39/7.56 [2019-03-29 01:54:48,030 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 7 states. 15.39/7.56 [2019-03-29 01:54:48,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.39/7.56 [2019-03-29 01:54:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.39/7.56 [2019-03-29 01:54:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. 15.39/7.56 [2019-03-29 01:54:48,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 4 letters. 15.39/7.56 [2019-03-29 01:54:48,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 4 letters. 15.39/7.56 [2019-03-29 01:54:48,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 8 letters. 15.39/7.56 [2019-03-29 01:54:48,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. 15.39/7.56 [2019-03-29 01:54:48,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.39/7.56 [2019-03-29 01:54:48,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 8 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:48,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.39/7.56 [2019-03-29 01:54:48,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.39/7.56 [2019-03-29 01:54:48,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:48,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.56 [2019-03-29 01:54:48,045 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. 15.39/7.56 [2019-03-29 01:54:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. 15.39/7.56 [2019-03-29 01:54:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.39/7.56 [2019-03-29 01:54:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. 15.39/7.56 [2019-03-29 01:54:48,047 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 15.39/7.56 [2019-03-29 01:54:48,047 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 15.39/7.56 [2019-03-29 01:54:48,048 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.39/7.56 [2019-03-29 01:54:48,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. 15.39/7.56 [2019-03-29 01:54:48,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.39/7.56 [2019-03-29 01:54:48,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.39/7.56 [2019-03-29 01:54:48,048 INFO L119 BuchiIsEmpty]: Starting construction of run 15.39/7.56 [2019-03-29 01:54:48,049 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.39/7.56 [2019-03-29 01:54:48,049 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 15.39/7.56 [2019-03-29 01:54:48,049 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [49] ULTIMATE.startENTRY-->L15-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 175#L15-3 15.39/7.56 [2019-03-29 01:54:48,050 INFO L796 eck$LassoCheckResult]: Loop: 175#L15-3 [52] L15-3-->L10: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (< 0 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 172#L10 [47] L10-->L11-2: Formula: (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_8) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[] 173#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 176#L11-2 [60] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_11) (= v_ULTIMATE.start_main_~x~0_10 (+ v_ULTIMATE.start_main_~x~0_11 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 177#L11-2 [64] L11-2-->L15-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_9) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 175#L15-3 15.39/7.56 [2019-03-29 01:54:48,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:48,050 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 5 times 15.39/7.56 [2019-03-29 01:54:48,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:48,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:48,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash 78112004, now seen corresponding path program 2 times 15.39/7.56 [2019-03-29 01:54:48,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:48,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:48,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,058 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:48,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1955152363, now seen corresponding path program 1 times 15.39/7.56 [2019-03-29 01:54:48,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.39/7.56 [2019-03-29 01:54:48,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.39/7.56 [2019-03-29 01:54:48,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,067 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.39/7.56 [2019-03-29 01:54:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.39/7.56 [2019-03-29 01:54:48,118 INFO L216 LassoAnalysis]: Preferences: 15.39/7.56 [2019-03-29 01:54:48,119 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.56 [2019-03-29 01:54:48,119 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.56 [2019-03-29 01:54:48,119 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.56 [2019-03-29 01:54:48,119 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.39/7.56 [2019-03-29 01:54:48,119 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,119 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.56 [2019-03-29 01:54:48,120 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.56 [2019-03-29 01:54:48,120 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 15.39/7.56 [2019-03-29 01:54:48,120 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.56 [2019-03-29 01:54:48,120 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.56 [2019-03-29 01:54:48,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,196 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.56 [2019-03-29 01:54:48,197 INFO L412 LassoAnalysis]: Checking for nontermination... 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,201 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:48,201 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 [2019-03-29 01:54:48,231 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.56 [2019-03-29 01:54:48,232 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:48,237 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 [2019-03-29 01:54:48,265 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.39/7.56 [2019-03-29 01:54:48,266 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:48,272 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.39/7.56 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.39/7.56 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,307 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.39/7.56 [2019-03-29 01:54:48,307 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.39/7.56 [2019-03-29 01:54:48,440 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.39/7.56 [2019-03-29 01:54:48,442 INFO L216 LassoAnalysis]: Preferences: 15.39/7.56 [2019-03-29 01:54:48,442 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.39/7.56 [2019-03-29 01:54:48,443 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.39/7.56 [2019-03-29 01:54:48,443 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.39/7.56 [2019-03-29 01:54:48,443 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.39/7.56 [2019-03-29 01:54:48,443 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.39/7.56 [2019-03-29 01:54:48,443 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.39/7.56 [2019-03-29 01:54:48,444 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.39/7.56 [2019-03-29 01:54:48,444 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 15.39/7.56 [2019-03-29 01:54:48,444 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.39/7.56 [2019-03-29 01:54:48,444 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.39/7.56 [2019-03-29 01:54:48,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.39/7.56 [2019-03-29 01:54:48,502 INFO L300 LassoAnalysis]: Preprocessing complete. 15.39/7.56 [2019-03-29 01:54:48,502 INFO L497 LassoAnalysis]: Using template 'affine'. 15.39/7.56 [2019-03-29 01:54:48,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.56 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.56 Number of strict supporting invariants: 0 15.39/7.56 Number of non-strict supporting invariants: 1 15.39/7.56 Consider only non-deceasing supporting invariants: true 15.39/7.56 Simplify termination arguments: true 15.39/7.56 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.56 [2019-03-29 01:54:48,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.56 [2019-03-29 01:54:48,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.56 [2019-03-29 01:54:48,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.56 [2019-03-29 01:54:48,504 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.56 [2019-03-29 01:54:48,507 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.39/7.56 [2019-03-29 01:54:48,507 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.39/7.56 [2019-03-29 01:54:48,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.39/7.56 [2019-03-29 01:54:48,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.39/7.56 Termination analysis: LINEAR_WITH_GUESSES 15.39/7.56 Number of strict supporting invariants: 0 15.39/7.56 Number of non-strict supporting invariants: 1 15.39/7.56 Consider only non-deceasing supporting invariants: true 15.39/7.56 Simplify termination arguments: true 15.39/7.56 Simplify supporting invariants: trueOverapproximate stem: false 15.39/7.56 [2019-03-29 01:54:48,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.39/7.56 [2019-03-29 01:54:48,512 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.39/7.56 [2019-03-29 01:54:48,512 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.39/7.56 [2019-03-29 01:54:48,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.39/7.56 [2019-03-29 01:54:48,513 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.39/7.56 [2019-03-29 01:54:48,513 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.39/7.56 [2019-03-29 01:54:48,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.39/7.56 [2019-03-29 01:54:48,518 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.39/7.56 [2019-03-29 01:54:48,523 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.39/7.56 [2019-03-29 01:54:48,523 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.39/7.56 [2019-03-29 01:54:48,524 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.39/7.56 [2019-03-29 01:54:48,524 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.39/7.56 [2019-03-29 01:54:48,524 INFO L518 LassoAnalysis]: Proved termination. 15.39/7.56 [2019-03-29 01:54:48,524 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.39/7.56 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 15.39/7.56 Supporting invariants [] 15.39/7.56 [2019-03-29 01:54:48,525 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.39/7.56 [2019-03-29 01:54:48,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.39/7.56 [2019-03-29 01:54:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:48,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:48,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:48,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:48,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. 15.39/7.56 [2019-03-29 01:54:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:48,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:48,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:48,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:48,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.39/7.56 [2019-03-29 01:54:48,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.39/7.56 [2019-03-29 01:54:48,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.39/7.56 [2019-03-29 01:54:48,638 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 6 predicates after loop cannibalization 15.39/7.56 [2019-03-29 01:54:48,638 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 6 loop predicates 15.39/7.56 [2019-03-29 01:54:48,638 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. 15.39/7.56 [2019-03-29 01:54:48,707 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 17 transitions. Complement of second has 10 states. 15.39/7.56 [2019-03-29 01:54:48,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 3 non-accepting loop states 2 accepting loop states 15.39/7.56 [2019-03-29 01:54:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.39/7.56 [2019-03-29 01:54:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 15.39/7.56 [2019-03-29 01:54:48,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 5 letters. 15.39/7.56 [2019-03-29 01:54:48,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 6 letters. Loop has 5 letters. 15.39/7.56 [2019-03-29 01:54:48,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 10 letters. 15.39/7.56 [2019-03-29 01:54:48,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.39/7.56 [2019-03-29 01:54:48,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. 15.39/7.56 [2019-03-29 01:54:48,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.39/7.56 [2019-03-29 01:54:48,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.39/7.56 [2019-03-29 01:54:48,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.39/7.56 [2019-03-29 01:54:48,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.39/7.56 [2019-03-29 01:54:48,713 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,713 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,713 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,714 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 15.39/7.56 [2019-03-29 01:54:48,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.39/7.56 [2019-03-29 01:54:48,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.39/7.56 [2019-03-29 01:54:48,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.39/7.56 [2019-03-29 01:54:48,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:54:48 BasicIcfg 15.39/7.56 [2019-03-29 01:54:48,720 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.39/7.56 [2019-03-29 01:54:48,721 INFO L168 Benchmark]: Toolchain (without parser) took 2650.11 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 417.7 MB in the end (delta: 146.2 MB). Peak memory consumption was 172.9 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,723 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.48 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 643.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.61 ms. Allocated memory is still 676.3 MB. Free memory was 643.8 MB in the beginning and 642.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,724 INFO L168 Benchmark]: Boogie Preprocessor took 20.79 ms. Allocated memory is still 676.3 MB. Free memory was 642.4 MB in the beginning and 639.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,725 INFO L168 Benchmark]: RCFGBuilder took 203.50 ms. Allocated memory is still 676.3 MB. Free memory was 639.3 MB in the beginning and 626.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,726 INFO L168 Benchmark]: BlockEncodingV2 took 73.15 ms. Allocated memory is still 676.3 MB. Free memory was 626.4 MB in the beginning and 621.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,726 INFO L168 Benchmark]: TraceAbstraction took 162.60 ms. Allocated memory is still 676.3 MB. Free memory was 621.0 MB in the beginning and 611.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,727 INFO L168 Benchmark]: BuchiAutomizer took 1870.71 ms. Allocated memory is still 676.3 MB. Free memory was 611.6 MB in the beginning and 417.7 MB in the end (delta: 193.9 MB). Peak memory consumption was 193.9 MB. Max. memory is 50.3 GB. 15.39/7.56 [2019-03-29 01:54:48,731 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.39/7.56 --- Results --- 15.39/7.56 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.39/7.56 - StatisticsResult: Initial Icfg 15.39/7.56 9 locations, 15 edges 15.39/7.56 - StatisticsResult: Encoded RCFG 15.39/7.56 5 locations, 8 edges 15.39/7.56 * Results from de.uni_freiburg.informatik.ultimate.core: 15.39/7.56 - StatisticsResult: Toolchain Benchmarks 15.39/7.56 Benchmark results are: 15.39/7.56 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.39/7.56 * CACSL2BoogieTranslator took 279.48 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 563.9 MB in the beginning and 643.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 15.39/7.56 * Boogie Procedure Inliner took 34.61 ms. Allocated memory is still 676.3 MB. Free memory was 643.8 MB in the beginning and 642.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.39/7.56 * Boogie Preprocessor took 20.79 ms. Allocated memory is still 676.3 MB. Free memory was 642.4 MB in the beginning and 639.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.39/7.56 * RCFGBuilder took 203.50 ms. Allocated memory is still 676.3 MB. Free memory was 639.3 MB in the beginning and 626.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.39/7.56 * BlockEncodingV2 took 73.15 ms. Allocated memory is still 676.3 MB. Free memory was 626.4 MB in the beginning and 621.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.39/7.56 * TraceAbstraction took 162.60 ms. Allocated memory is still 676.3 MB. Free memory was 621.0 MB in the beginning and 611.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.39/7.56 * BuchiAutomizer took 1870.71 ms. Allocated memory is still 676.3 MB. Free memory was 611.6 MB in the beginning and 417.7 MB in the end (delta: 193.9 MB). Peak memory consumption was 193.9 MB. Max. memory is 50.3 GB. 15.39/7.56 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.39/7.56 - AllSpecificationsHoldResult: All specifications hold 15.39/7.56 We were not able to verify any specifiation because the program does not contain any specification. 15.39/7.56 - InvariantResult [Line: 9]: Loop Invariant 15.39/7.56 Derived loop invariant: 1 15.39/7.56 - InvariantResult [Line: 15]: Loop Invariant 15.39/7.56 Derived loop invariant: 1 15.39/7.56 - InvariantResult [Line: 11]: Loop Invariant 15.39/7.56 Derived loop invariant: 1 15.39/7.56 - StatisticsResult: Ultimate Automizer benchmark data 15.39/7.56 CFG has 1 procedures, 5 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=5occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.39/7.56 - StatisticsResult: Constructed decomposition of program 15.39/7.56 Your program was decomposed into 5 terminating modules (3 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 7 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. 15.39/7.56 - StatisticsResult: Timing statistics 15.39/7.56 BüchiAutomizer plugin needed 1.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 18 SDtfs, 42 SDslu, 5 SDs, 0 SdLazy, 80 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp76 dnf100 smp100 tf112 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 15.39/7.56 - TerminationAnalysisResult: Termination proven 15.39/7.56 Buchi Automizer proved that your program is terminating 15.39/7.56 RESULT: Ultimate proved your program to be correct! 15.39/7.56 !SESSION 2019-03-29 01:54:42.485 ----------------------------------------------- 15.39/7.56 eclipse.buildId=unknown 15.39/7.56 java.version=1.8.0_181 15.39/7.56 java.vendor=Oracle Corporation 15.39/7.56 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.39/7.56 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.39/7.56 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.39/7.56 15.39/7.56 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:54:48.964 15.39/7.56 !MESSAGE The workspace will exit with unsaved changes in this session. 15.39/7.56 Received shutdown request... 15.39/7.56 Ultimate: 15.39/7.56 GTK+ Version Check 15.39/7.56 EOF