16.79/7.88 NO 16.79/7.88 16.79/7.88 Ultimate: Cannot open display: 16.79/7.88 This is Ultimate 0.1.24-8dc7c08-m 16.79/7.88 [2019-03-28 22:24:45,502 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.79/7.88 [2019-03-28 22:24:45,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.79/7.88 [2019-03-28 22:24:45,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.79/7.88 [2019-03-28 22:24:45,517 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.79/7.88 [2019-03-28 22:24:45,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.79/7.88 [2019-03-28 22:24:45,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.79/7.88 [2019-03-28 22:24:45,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.79/7.88 [2019-03-28 22:24:45,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.79/7.88 [2019-03-28 22:24:45,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.79/7.88 [2019-03-28 22:24:45,524 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.79/7.88 [2019-03-28 22:24:45,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.79/7.88 [2019-03-28 22:24:45,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.79/7.88 [2019-03-28 22:24:45,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.79/7.88 [2019-03-28 22:24:45,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.79/7.88 [2019-03-28 22:24:45,529 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.79/7.88 [2019-03-28 22:24:45,531 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.79/7.88 [2019-03-28 22:24:45,533 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.79/7.88 [2019-03-28 22:24:45,533 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.79/7.88 [2019-03-28 22:24:45,535 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.79/7.88 [2019-03-28 22:24:45,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.79/7.88 [2019-03-28 22:24:45,538 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.79/7.88 [2019-03-28 22:24:45,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.79/7.88 [2019-03-28 22:24:45,539 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,540 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.79/7.88 [2019-03-28 22:24:45,540 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.79/7.88 [2019-03-28 22:24:45,541 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.79/7.88 [2019-03-28 22:24:45,542 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.79/7.88 [2019-03-28 22:24:45,543 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.79/7.88 [2019-03-28 22:24:45,543 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.79/7.88 [2019-03-28 22:24:45,544 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.79/7.88 [2019-03-28 22:24:45,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.79/7.88 [2019-03-28 22:24:45,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.79/7.88 [2019-03-28 22:24:45,546 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.79/7.88 [2019-03-28 22:24:45,560 INFO L110 SettingsManager]: Loading preferences was successful 16.79/7.88 [2019-03-28 22:24:45,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.79/7.88 [2019-03-28 22:24:45,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.79/7.88 [2019-03-28 22:24:45,562 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.79/7.88 [2019-03-28 22:24:45,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.79/7.88 [2019-03-28 22:24:45,562 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.79/7.88 [2019-03-28 22:24:45,562 INFO L133 SettingsManager]: * Use SBE=true 16.79/7.88 [2019-03-28 22:24:45,562 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.79/7.88 [2019-03-28 22:24:45,563 INFO L133 SettingsManager]: * Use old map elimination=false 16.79/7.88 [2019-03-28 22:24:45,563 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.79/7.88 [2019-03-28 22:24:45,563 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.79/7.88 [2019-03-28 22:24:45,563 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.79/7.88 [2019-03-28 22:24:45,563 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.79/7.88 [2019-03-28 22:24:45,564 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.79/7.88 [2019-03-28 22:24:45,564 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:45,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.79/7.88 [2019-03-28 22:24:45,564 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.79/7.88 [2019-03-28 22:24:45,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.79/7.88 [2019-03-28 22:24:45,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.79/7.88 [2019-03-28 22:24:45,565 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.79/7.88 [2019-03-28 22:24:45,565 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.79/7.88 [2019-03-28 22:24:45,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.79/7.88 [2019-03-28 22:24:45,565 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.79/7.88 [2019-03-28 22:24:45,565 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.79/7.88 [2019-03-28 22:24:45,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.79/7.88 [2019-03-28 22:24:45,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.79/7.88 [2019-03-28 22:24:45,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.79/7.88 [2019-03-28 22:24:45,566 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.79/7.88 [2019-03-28 22:24:45,566 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.79/7.88 [2019-03-28 22:24:45,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.79/7.88 [2019-03-28 22:24:45,605 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.79/7.88 [2019-03-28 22:24:45,609 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.79/7.88 [2019-03-28 22:24:45,610 INFO L271 PluginConnector]: Initializing CDTParser... 16.79/7.88 [2019-03-28 22:24:45,610 INFO L276 PluginConnector]: CDTParser initialized 16.79/7.88 [2019-03-28 22:24:45,611 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.79/7.88 [2019-03-28 22:24:45,678 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/caa20336b2364513b20d311c98cc50f6/FLAG4e038ff64 16.79/7.88 [2019-03-28 22:24:46,016 INFO L307 CDTParser]: Found 1 translation units. 16.79/7.88 [2019-03-28 22:24:46,017 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.79/7.88 [2019-03-28 22:24:46,024 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/caa20336b2364513b20d311c98cc50f6/FLAG4e038ff64 16.79/7.88 [2019-03-28 22:24:46,467 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/caa20336b2364513b20d311c98cc50f6 16.79/7.88 [2019-03-28 22:24:46,479 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.79/7.88 [2019-03-28 22:24:46,481 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.79/7.88 [2019-03-28 22:24:46,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.79/7.88 [2019-03-28 22:24:46,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.79/7.88 [2019-03-28 22:24:46,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.79/7.88 [2019-03-28 22:24:46,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc8f0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:46,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.79/7.88 [2019-03-28 22:24:46,515 INFO L176 MainTranslator]: Built tables and reachable declarations 16.79/7.88 [2019-03-28 22:24:46,672 INFO L206 PostProcessor]: Analyzing one entry point: main 16.79/7.88 [2019-03-28 22:24:46,677 INFO L191 MainTranslator]: Completed pre-run 16.79/7.88 [2019-03-28 22:24:46,693 INFO L206 PostProcessor]: Analyzing one entry point: main 16.79/7.88 [2019-03-28 22:24:46,709 INFO L195 MainTranslator]: Completed translation 16.79/7.88 [2019-03-28 22:24:46,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46 WrapperNode 16.79/7.88 [2019-03-28 22:24:46,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.79/7.88 [2019-03-28 22:24:46,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.79/7.88 [2019-03-28 22:24:46,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.79/7.88 [2019-03-28 22:24:46,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.79/7.88 [2019-03-28 22:24:46,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.79/7.88 [2019-03-28 22:24:46,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.79/7.88 [2019-03-28 22:24:46,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.79/7.88 [2019-03-28 22:24:46,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.79/7.88 [2019-03-28 22:24:46,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 [2019-03-28 22:24:46,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.79/7.88 [2019-03-28 22:24:46,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.79/7.88 [2019-03-28 22:24:46,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.79/7.88 [2019-03-28 22:24:46,831 INFO L276 PluginConnector]: RCFGBuilder initialized 16.79/7.88 [2019-03-28 22:24:46,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (1/1) ... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.79/7.88 [2019-03-28 22:24:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.79/7.88 [2019-03-28 22:24:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.79/7.88 [2019-03-28 22:24:47,038 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.79/7.88 [2019-03-28 22:24:47,038 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.79/7.88 [2019-03-28 22:24:47,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:47 BoogieIcfgContainer 16.79/7.88 [2019-03-28 22:24:47,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.79/7.88 [2019-03-28 22:24:47,040 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.79/7.88 [2019-03-28 22:24:47,040 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.79/7.88 [2019-03-28 22:24:47,043 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.79/7.88 [2019-03-28 22:24:47,044 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:47" (1/1) ... 16.79/7.88 [2019-03-28 22:24:47,059 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 16.79/7.88 [2019-03-28 22:24:47,060 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.79/7.88 [2019-03-28 22:24:47,061 INFO L263 BlockEncoder]: Using Maximize final states 16.79/7.88 [2019-03-28 22:24:47,062 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.79/7.88 [2019-03-28 22:24:47,062 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.79/7.88 [2019-03-28 22:24:47,065 INFO L296 BlockEncoder]: Using Remove sink states 16.79/7.88 [2019-03-28 22:24:47,066 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.79/7.88 [2019-03-28 22:24:47,066 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.79/7.88 [2019-03-28 22:24:47,081 INFO L185 BlockEncoder]: Using Use SBE 16.79/7.88 [2019-03-28 22:24:47,088 INFO L200 BlockEncoder]: SBE split 0 edges 16.79/7.88 [2019-03-28 22:24:47,093 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.79/7.88 [2019-03-28 22:24:47,095 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.79/7.88 [2019-03-28 22:24:47,108 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.79/7.88 [2019-03-28 22:24:47,110 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.79/7.88 [2019-03-28 22:24:47,111 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.79/7.88 [2019-03-28 22:24:47,111 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.79/7.88 [2019-03-28 22:24:47,112 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.79/7.88 [2019-03-28 22:24:47,112 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.79/7.88 [2019-03-28 22:24:47,112 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 16.79/7.88 [2019-03-28 22:24:47,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:47 BasicIcfg 16.79/7.88 [2019-03-28 22:24:47,113 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.79/7.88 [2019-03-28 22:24:47,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.79/7.88 [2019-03-28 22:24:47,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.79/7.88 [2019-03-28 22:24:47,117 INFO L276 PluginConnector]: TraceAbstraction initialized 16.79/7.88 [2019-03-28 22:24:47,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:24:46" (1/4) ... 16.79/7.88 [2019-03-28 22:24:47,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297debe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (2/4) ... 16.79/7.88 [2019-03-28 22:24:47,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297debe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:47" (3/4) ... 16.79/7.88 [2019-03-28 22:24:47,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297debe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:47" (4/4) ... 16.79/7.88 [2019-03-28 22:24:47,121 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.79/7.88 [2019-03-28 22:24:47,131 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.79/7.88 [2019-03-28 22:24:47,139 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.79/7.88 [2019-03-28 22:24:47,157 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.79/7.88 [2019-03-28 22:24:47,185 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.79/7.88 [2019-03-28 22:24:47,186 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.79/7.88 [2019-03-28 22:24:47,186 INFO L383 AbstractCegarLoop]: Hoare is true 16.79/7.88 [2019-03-28 22:24:47,187 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.79/7.88 [2019-03-28 22:24:47,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.79/7.88 [2019-03-28 22:24:47,187 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.79/7.88 [2019-03-28 22:24:47,187 INFO L387 AbstractCegarLoop]: Difference is false 16.79/7.88 [2019-03-28 22:24:47,187 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.79/7.88 [2019-03-28 22:24:47,187 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.79/7.88 [2019-03-28 22:24:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.79/7.88 [2019-03-28 22:24:47,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.79/7.88 [2019-03-28 22:24:47,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.79/7.88 [2019-03-28 22:24:47,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.79/7.88 [2019-03-28 22:24:47,260 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 17) no Hoare annotation was computed. 16.79/7.88 [2019-03-28 22:24:47,260 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 9 19) the Hoare annotation is: true 16.79/7.88 [2019-03-28 22:24:47,260 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 18) no Hoare annotation was computed. 16.79/7.88 [2019-03-28 22:24:47,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:47 BasicIcfg 16.79/7.88 [2019-03-28 22:24:47,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.79/7.88 [2019-03-28 22:24:47,269 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.79/7.88 [2019-03-28 22:24:47,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.79/7.88 [2019-03-28 22:24:47,272 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.79/7.88 [2019-03-28 22:24:47,273 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.79/7.88 [2019-03-28 22:24:47,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:24:46" (1/5) ... 16.79/7.88 [2019-03-28 22:24:47,274 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4229b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,274 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.79/7.88 [2019-03-28 22:24:47,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:24:46" (2/5) ... 16.79/7.88 [2019-03-28 22:24:47,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4229b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.79/7.88 [2019-03-28 22:24:47,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:24:47" (3/5) ... 16.79/7.88 [2019-03-28 22:24:47,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4229b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,276 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.79/7.88 [2019-03-28 22:24:47,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:24:47" (4/5) ... 16.79/7.88 [2019-03-28 22:24:47,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea4229b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:47, skipping insertion in model container 16.79/7.88 [2019-03-28 22:24:47,276 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.79/7.88 [2019-03-28 22:24:47,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:24:47" (5/5) ... 16.79/7.88 [2019-03-28 22:24:47,278 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.79/7.88 [2019-03-28 22:24:47,305 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.79/7.88 [2019-03-28 22:24:47,305 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.79/7.88 [2019-03-28 22:24:47,305 INFO L375 BuchiCegarLoop]: Hoare is true 16.79/7.88 [2019-03-28 22:24:47,305 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.79/7.88 [2019-03-28 22:24:47,305 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.79/7.88 [2019-03-28 22:24:47,306 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.79/7.88 [2019-03-28 22:24:47,306 INFO L379 BuchiCegarLoop]: Difference is false 16.79/7.88 [2019-03-28 22:24:47,306 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.79/7.88 [2019-03-28 22:24:47,306 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.79/7.88 [2019-03-28 22:24:47,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.79/7.88 [2019-03-28 22:24:47,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:47,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:47,329 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:47,336 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.79/7.88 [2019-03-28 22:24:47,336 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.79/7.88 [2019-03-28 22:24:47,336 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.79/7.88 [2019-03-28 22:24:47,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.79/7.88 [2019-03-28 22:24:47,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:47,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:47,337 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:47,337 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.79/7.88 [2019-03-28 22:24:47,338 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.79/7.88 [2019-03-28 22:24:47,343 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 3) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L13-2true 16.79/7.88 [2019-03-28 22:24:47,343 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 3#L10true [29] L10-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 3)) (< 5 v_ULTIMATE.start_main_~i~0_13)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L13-2true 16.79/7.88 [2019-03-28 22:24:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,350 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:47,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,423 INFO L82 PathProgramCache]: Analyzing trace with hash 2075, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:47,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,437 INFO L82 PathProgramCache]: Analyzing trace with hash 61657, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:47,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:47,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.79/7.88 [2019-03-28 22:24:47,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 16.79/7.88 [2019-03-28 22:24:47,525 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:47,526 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:47,526 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:47,526 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:47,527 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:47,527 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:47,527 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:47,527 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:47,527 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.79/7.88 [2019-03-28 22:24:47,528 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:47,528 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:47,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:47,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:47,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:47,627 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:47,627 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:47,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:47,635 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:47,669 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:47,669 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:47,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:47,675 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:47,702 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:47,702 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:47,707 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:47,707 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:47,739 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:47,739 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:47,751 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:47,751 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=6} Honda state: {ULTIMATE.start_main_~i~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=1}, {ULTIMATE.start_main_~i~0=2}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] 16.79/7.88 [2019-03-28 22:24:47,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.79/7.88 [2019-03-28 22:24:47,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.79/7.88 [2019-03-28 22:24:47,794 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. 16.79/7.88 [2019-03-28 22:24:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.79/7.88 [2019-03-28 22:24:47,822 INFO L93 Difference]: Finished difference Result 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.79/7.88 [2019-03-28 22:24:47,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:47,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 16.79/7.88 [2019-03-28 22:24:47,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 16.79/7.88 [2019-03-28 22:24:47,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.79/7.88 [2019-03-28 22:24:47,833 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 16.79/7.88 [2019-03-28 22:24:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 16.79/7.88 [2019-03-28 22:24:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,862 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,863 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,863 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.79/7.88 [2019-03-28 22:24:47,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. 16.79/7.88 [2019-03-28 22:24:47,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:47,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:47,864 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:47,864 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 16.79/7.88 [2019-03-28 22:24:47,864 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.79/7.88 [2019-03-28 22:24:47,865 INFO L794 eck$LassoCheckResult]: Stem: 24#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 3) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 25#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 22#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 23#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 26#L13-2 16.79/7.88 [2019-03-28 22:24:47,865 INFO L796 eck$LassoCheckResult]: Loop: 26#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 28#L10 [29] L10-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 3)) (< 5 v_ULTIMATE.start_main_~i~0_13)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 26#L13-2 16.79/7.88 [2019-03-28 22:24:47,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1911781, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:47,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2075, now seen corresponding path program 2 times 16.79/7.88 [2019-03-28 22:24:47,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:47,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1837222655, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:47,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:47,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:47,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,883 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:47,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 16.79/7.88 [2019-03-28 22:24:47,907 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 16.79/7.88 [2019-03-28 22:24:47,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:47,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core 16.79/7.88 [2019-03-28 22:24:47,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.79/7.88 [2019-03-28 22:24:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:47,996 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 16.79/7.88 [2019-03-28 22:24:47,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 16.79/7.88 [2019-03-28 22:24:48,019 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:48,019 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:48,020 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:48,020 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:48,020 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:48,020 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,020 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:48,020 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:48,021 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.79/7.88 [2019-03-28 22:24:48,021 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:48,021 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:48,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,096 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:48,097 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,102 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,102 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,130 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,131 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,135 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,136 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,162 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,163 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,168 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,168 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,198 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,198 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,209 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=6} Honda state: {ULTIMATE.start_main_~i~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=1}, {ULTIMATE.start_main_~i~0=2}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] 16.79/7.88 [2019-03-28 22:24:48,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.79/7.88 [2019-03-28 22:24:48,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 16.79/7.88 [2019-03-28 22:24:48,234 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. 16.79/7.88 [2019-03-28 22:24:48,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.79/7.88 [2019-03-28 22:24:48,258 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 16.79/7.88 [2019-03-28 22:24:48,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:48,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 16.79/7.88 [2019-03-28 22:24:48,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 16.79/7.88 [2019-03-28 22:24:48,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.79/7.88 [2019-03-28 22:24:48,261 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. 16.79/7.88 [2019-03-28 22:24:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 16.79/7.88 [2019-03-28 22:24:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,263 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,264 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,264 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.79/7.88 [2019-03-28 22:24:48,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:48,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:48,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:48,265 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:48,265 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1] 16.79/7.88 [2019-03-28 22:24:48,265 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.79/7.88 [2019-03-28 22:24:48,266 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 3) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 66#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 63#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 64#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 67#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 72#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 71#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 69#L13-2 16.79/7.88 [2019-03-28 22:24:48,266 INFO L796 eck$LassoCheckResult]: Loop: 69#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 70#L10 [29] L10-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 3)) (< 5 v_ULTIMATE.start_main_~i~0_13)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 69#L13-2 16.79/7.88 [2019-03-28 22:24:48,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1119327871, now seen corresponding path program 2 times 16.79/7.88 [2019-03-28 22:24:48,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2075, now seen corresponding path program 3 times 16.79/7.88 [2019-03-28 22:24:48,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,280 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1932261145, now seen corresponding path program 2 times 16.79/7.88 [2019-03-28 22:24:48,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,286 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:48,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 16.79/7.88 [2019-03-28 22:24:48,320 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 16.79/7.88 [2019-03-28 22:24:48,332 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 16.79/7.88 [2019-03-28 22:24:48,340 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) 16.79/7.88 [2019-03-28 22:24:48,340 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:48,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core 16.79/7.88 [2019-03-28 22:24:48,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.79/7.88 [2019-03-28 22:24:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:48,372 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 16.79/7.88 [2019-03-28 22:24:48,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 16.79/7.88 [2019-03-28 22:24:48,390 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:48,390 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:48,390 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:48,391 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:48,391 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:48,391 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,391 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:48,391 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:48,391 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.79/7.88 [2019-03-28 22:24:48,391 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:48,392 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:48,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,442 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:48,442 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,446 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,473 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,473 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: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,478 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,509 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,519 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,519 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=6} Honda state: {ULTIMATE.start_main_~i~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=1}, {ULTIMATE.start_main_~i~0=2}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,547 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,547 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,575 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,575 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: [] 16.79/7.88 [2019-03-28 22:24:48,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 16.79/7.88 [2019-03-28 22:24:48,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 16.79/7.88 [2019-03-28 22:24:48,577 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand 5 states. 16.79/7.88 [2019-03-28 22:24:48,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.79/7.88 [2019-03-28 22:24:48,601 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 16.79/7.88 [2019-03-28 22:24:48,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:48,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 16.79/7.88 [2019-03-28 22:24:48,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 16.79/7.88 [2019-03-28 22:24:48,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.79/7.88 [2019-03-28 22:24:48,604 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 16.79/7.88 [2019-03-28 22:24:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 16.79/7.88 [2019-03-28 22:24:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,606 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,606 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,606 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.79/7.88 [2019-03-28 22:24:48,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. 16.79/7.88 [2019-03-28 22:24:48,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.79/7.88 [2019-03-28 22:24:48,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:48,607 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:48,608 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1] 16.79/7.88 [2019-03-28 22:24:48,608 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.79/7.88 [2019-03-28 22:24:48,608 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 3) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 122#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 119#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 120#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 123#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 130#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 129#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 128#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 127#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 125#L13 16.79/7.88 [2019-03-28 22:24:48,609 INFO L796 eck$LassoCheckResult]: Loop: 125#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 126#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 124#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 125#L13 16.79/7.88 [2019-03-28 22:24:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1932261157, now seen corresponding path program 3 times 16.79/7.88 [2019-03-28 22:24:48,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,611 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,621 INFO L82 PathProgramCache]: Analyzing trace with hash 71279, now seen corresponding path program 1 times 16.79/7.88 [2019-03-28 22:24:48,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:48,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:48,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1454498613, now seen corresponding path program 4 times 16.79/7.88 [2019-03-28 22:24:48,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:48,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:48,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:48,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.79/7.88 [2019-03-28 22:24:48,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 16.79/7.88 [2019-03-28 22:24:48,695 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:48,695 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:48,695 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:48,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:48,696 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:48,696 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,696 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:48,696 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:48,696 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.79/7.88 [2019-03-28 22:24:48,696 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:48,696 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:48,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,775 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:48,775 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,780 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,781 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,810 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,810 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,818 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,818 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,846 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:48,846 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,850 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,851 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:48,886 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:48,972 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.79/7.88 [2019-03-28 22:24:48,974 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:48,974 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:48,975 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:48,975 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:48,975 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.79/7.88 [2019-03-28 22:24:48,975 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:48,975 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:48,975 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:48,975 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.79/7.88 [2019-03-28 22:24:48,975 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:48,976 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:48,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:48,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,046 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:49,052 INFO L497 LassoAnalysis]: Using template 'affine'. 16.79/7.88 [2019-03-28 22:24:49,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.79/7.88 Termination analysis: LINEAR_WITH_GUESSES 16.79/7.88 Number of strict supporting invariants: 0 16.79/7.88 Number of non-strict supporting invariants: 1 16.79/7.88 Consider only non-deceasing supporting invariants: true 16.79/7.88 Simplify termination arguments: true 16.79/7.88 Simplify supporting invariants: trueOverapproximate stem: false 16.79/7.88 [2019-03-28 22:24:49,056 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.79/7.88 [2019-03-28 22:24:49,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.79/7.88 [2019-03-28 22:24:49,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.79/7.88 [2019-03-28 22:24:49,056 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.79/7.88 [2019-03-28 22:24:49,061 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.79/7.88 [2019-03-28 22:24:49,061 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.79/7.88 [2019-03-28 22:24:49,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.79/7.88 [2019-03-28 22:24:49,069 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.79/7.88 Termination analysis: LINEAR_WITH_GUESSES 16.79/7.88 Number of strict supporting invariants: 0 16.79/7.88 Number of non-strict supporting invariants: 1 16.79/7.88 Consider only non-deceasing supporting invariants: true 16.79/7.88 Simplify termination arguments: true 16.79/7.88 Simplify supporting invariants: trueOverapproximate stem: false 16.79/7.88 [2019-03-28 22:24:49,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.79/7.88 [2019-03-28 22:24:49,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.79/7.88 [2019-03-28 22:24:49,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.79/7.88 [2019-03-28 22:24:49,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.79/7.88 [2019-03-28 22:24:49,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.79/7.88 [2019-03-28 22:24:49,072 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.79/7.88 [2019-03-28 22:24:49,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.79/7.88 [2019-03-28 22:24:49,077 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.79/7.88 [2019-03-28 22:24:49,082 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.79/7.88 [2019-03-28 22:24:49,083 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 16.79/7.88 [2019-03-28 22:24:49,085 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.79/7.88 [2019-03-28 22:24:49,086 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.79/7.88 [2019-03-28 22:24:49,086 INFO L518 LassoAnalysis]: Proved termination. 16.79/7.88 [2019-03-28 22:24:49,086 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.79/7.88 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 16.79/7.88 Supporting invariants [] 16.79/7.88 [2019-03-28 22:24:49,088 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.79/7.88 [2019-03-28 22:24:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:49,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 16.79/7.88 [2019-03-28 22:24:49,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.79/7.88 [2019-03-28 22:24:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.79/7.88 [2019-03-28 22:24:49,128 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 16.79/7.88 [2019-03-28 22:24:49,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.79/7.88 [2019-03-28 22:24:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.79/7.88 [2019-03-28 22:24:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,171 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 16.79/7.88 [2019-03-28 22:24:49,171 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.79/7.88 [2019-03-28 22:24:49,175 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 16.79/7.88 [2019-03-28 22:24:49,175 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 13 transitions. cyclomatic complexity: 2 Second operand 3 states. 16.79/7.88 [2019-03-28 22:24:49,213 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 13 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 19 states and 21 transitions. Complement of second has 4 states. 16.79/7.88 [2019-03-28 22:24:49,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 16.79/7.88 [2019-03-28 22:24:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.79/7.88 [2019-03-28 22:24:49,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 16.79/7.88 [2019-03-28 22:24:49,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. 16.79/7.88 [2019-03-28 22:24:49,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.79/7.88 [2019-03-28 22:24:49,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 12 letters. Loop has 3 letters. 16.79/7.88 [2019-03-28 22:24:49,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.79/7.88 [2019-03-28 22:24:49,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 6 letters. 16.79/7.88 [2019-03-28 22:24:49,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.79/7.88 [2019-03-28 22:24:49,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. 16.79/7.88 [2019-03-28 22:24:49,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.79/7.88 [2019-03-28 22:24:49,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 15 states and 17 transitions. 16.79/7.88 [2019-03-28 22:24:49,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.79/7.88 [2019-03-28 22:24:49,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 16.79/7.88 [2019-03-28 22:24:49,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. 16.79/7.88 [2019-03-28 22:24:49,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.79/7.88 [2019-03-28 22:24:49,226 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. 16.79/7.88 [2019-03-28 22:24:49,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. 16.79/7.88 [2019-03-28 22:24:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. 16.79/7.88 [2019-03-28 22:24:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 16.79/7.88 [2019-03-28 22:24:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. 16.79/7.88 [2019-03-28 22:24:49,228 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. 16.79/7.88 [2019-03-28 22:24:49,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 16.79/7.88 [2019-03-28 22:24:49,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 16.79/7.88 [2019-03-28 22:24:49,229 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 6 states. 16.79/7.88 [2019-03-28 22:24:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.79/7.88 [2019-03-28 22:24:49,253 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. 16.79/7.88 [2019-03-28 22:24:49,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 16.79/7.88 [2019-03-28 22:24:49,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. 16.79/7.88 [2019-03-28 22:24:49,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.79/7.88 [2019-03-28 22:24:49,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.79/7.88 [2019-03-28 22:24:49,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 16.79/7.88 [2019-03-28 22:24:49,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.79/7.88 [2019-03-28 22:24:49,257 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. 16.79/7.88 [2019-03-28 22:24:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 16.79/7.88 [2019-03-28 22:24:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,259 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,259 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,259 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 16.79/7.88 [2019-03-28 22:24:49,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 12 transitions. 16.79/7.88 [2019-03-28 22:24:49,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.79/7.88 [2019-03-28 22:24:49,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.79/7.88 [2019-03-28 22:24:49,260 INFO L119 BuchiIsEmpty]: Starting construction of run 16.79/7.88 [2019-03-28 22:24:49,261 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 1] 16.79/7.88 [2019-03-28 22:24:49,261 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.79/7.88 [2019-03-28 22:24:49,261 INFO L794 eck$LassoCheckResult]: Stem: 240#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L13-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 3) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 241#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 244#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 242#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 243#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 249#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 248#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 247#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 246#L10 [41] L10-->L13: Formula: (>= 5 v_ULTIMATE.start_main_~i~0_14) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[] 245#L13 [42] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) (>= 10 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 239#L13-2 16.79/7.88 [2019-03-28 22:24:49,262 INFO L796 eck$LassoCheckResult]: Loop: 239#L13-2 [35] L13-2-->L10: Formula: (<= 3 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 238#L10 [29] L10-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 3)) (< 5 v_ULTIMATE.start_main_~i~0_13)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 239#L13-2 16.79/7.88 [2019-03-28 22:24:49,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:49,262 INFO L82 PathProgramCache]: Analyzing trace with hash -229446235, now seen corresponding path program 5 times 16.79/7.88 [2019-03-28 22:24:49,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:49,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:49,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,264 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:49,274 INFO L82 PathProgramCache]: Analyzing trace with hash 2075, now seen corresponding path program 4 times 16.79/7.88 [2019-03-28 22:24:49,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:49,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:49,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,275 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.79/7.88 [2019-03-28 22:24:49,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1454498625, now seen corresponding path program 3 times 16.79/7.88 [2019-03-28 22:24:49,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.79/7.88 [2019-03-28 22:24:49,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.79/7.88 [2019-03-28 22:24:49,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,280 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.79/7.88 [2019-03-28 22:24:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.79/7.88 [2019-03-28 22:24:49,308 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:49,308 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:49,308 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:49,308 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:49,308 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:49,308 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,309 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:49,309 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:49,309 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 16.79/7.88 [2019-03-28 22:24:49,309 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:49,309 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:49,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,360 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:49,360 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,364 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,364 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,393 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,394 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,398 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,429 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,458 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,458 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=6} Honda state: {ULTIMATE.start_main_~i~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=1}, {ULTIMATE.start_main_~i~0=2}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,485 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,512 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,512 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 [2019-03-28 22:24:49,550 INFO L216 LassoAnalysis]: Preferences: 16.79/7.88 [2019-03-28 22:24:49,550 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.79/7.88 [2019-03-28 22:24:49,550 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.79/7.88 [2019-03-28 22:24:49,550 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.79/7.88 [2019-03-28 22:24:49,551 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.79/7.88 [2019-03-28 22:24:49,551 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,551 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.79/7.88 [2019-03-28 22:24:49,551 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.79/7.88 [2019-03-28 22:24:49,551 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Lasso 16.79/7.88 [2019-03-28 22:24:49,551 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.79/7.88 [2019-03-28 22:24:49,551 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.79/7.88 [2019-03-28 22:24:49,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.79/7.88 [2019-03-28 22:24:49,621 INFO L300 LassoAnalysis]: Preprocessing complete. 16.79/7.88 [2019-03-28 22:24:49,622 INFO L412 LassoAnalysis]: Checking for nontermination... 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,626 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,626 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,630 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,630 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,656 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,686 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,687 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,699 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,699 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~i~0=3}, {ULTIMATE.start_main_~i~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,727 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,727 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,755 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,755 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.79/7.88 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.79/7.88 Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.79/7.88 [2019-03-28 22:24:49,761 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.79/7.88 [2019-03-28 22:24:49,761 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.79/7.88 [2019-03-28 22:24:49,788 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.79/7.88 [2019-03-28 22:24:49,789 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.79/7.88 [2019-03-28 22:24:49,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:24:49 BasicIcfg 16.79/7.88 [2019-03-28 22:24:49,814 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.79/7.88 [2019-03-28 22:24:49,815 INFO L168 Benchmark]: Toolchain (without parser) took 3334.71 ms. Allocated memory was 649.6 MB in the beginning and 737.7 MB in the end (delta: 88.1 MB). Free memory was 563.9 MB in the beginning and 651.2 MB in the end (delta: -87.3 MB). Peak memory consumption was 225.3 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,817 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.88 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.55 ms. Allocated memory is still 649.6 MB. Free memory was 554.4 MB in the beginning and 615.6 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,818 INFO L168 Benchmark]: Boogie Preprocessor took 21.00 ms. Allocated memory is still 649.6 MB. Free memory is still 614.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,818 INFO L168 Benchmark]: RCFGBuilder took 208.95 ms. Allocated memory is still 649.6 MB. Free memory was 614.3 MB in the beginning and 601.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,819 INFO L168 Benchmark]: BlockEncodingV2 took 73.09 ms. Allocated memory is still 649.6 MB. Free memory was 601.3 MB in the beginning and 594.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,819 INFO L168 Benchmark]: TraceAbstraction took 154.53 ms. Allocated memory is still 649.6 MB. Free memory was 594.8 MB in the beginning and 585.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,820 INFO L168 Benchmark]: BuchiAutomizer took 2545.21 ms. Allocated memory was 649.6 MB in the beginning and 737.7 MB in the end (delta: 88.1 MB). Free memory was 585.4 MB in the beginning and 651.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 246.8 MB. Max. memory is 50.3 GB. 16.79/7.88 [2019-03-28 22:24:49,824 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.79/7.88 --- Results --- 16.79/7.88 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.79/7.88 - StatisticsResult: Initial Icfg 16.79/7.88 8 locations, 11 edges 16.79/7.88 - StatisticsResult: Encoded RCFG 16.79/7.88 4 locations, 6 edges 16.79/7.88 * Results from de.uni_freiburg.informatik.ultimate.core: 16.79/7.88 - StatisticsResult: Toolchain Benchmarks 16.79/7.88 Benchmark results are: 16.79/7.88 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.79/7.88 * CACSL2BoogieTranslator took 227.88 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 16.79/7.88 * Boogie Procedure Inliner took 98.55 ms. Allocated memory is still 649.6 MB. Free memory was 554.4 MB in the beginning and 615.6 MB in the end (delta: -61.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 50.3 GB. 16.79/7.88 * Boogie Preprocessor took 21.00 ms. Allocated memory is still 649.6 MB. Free memory is still 614.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.79/7.88 * RCFGBuilder took 208.95 ms. Allocated memory is still 649.6 MB. Free memory was 614.3 MB in the beginning and 601.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 16.79/7.88 * BlockEncodingV2 took 73.09 ms. Allocated memory is still 649.6 MB. Free memory was 601.3 MB in the beginning and 594.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.79/7.88 * TraceAbstraction took 154.53 ms. Allocated memory is still 649.6 MB. Free memory was 594.8 MB in the beginning and 585.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.79/7.88 * BuchiAutomizer took 2545.21 ms. Allocated memory was 649.6 MB in the beginning and 737.7 MB in the end (delta: 88.1 MB). Free memory was 585.4 MB in the beginning and 651.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 246.8 MB. Max. memory is 50.3 GB. 16.79/7.88 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 - GenericResult: Unfinished Backtranslation 16.79/7.88 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.79/7.88 - AllSpecificationsHoldResult: All specifications hold 16.79/7.88 We were not able to verify any specifiation because the program does not contain any specification. 16.79/7.88 - InvariantResult [Line: 9]: Loop Invariant 16.79/7.88 Derived loop invariant: 1 16.79/7.88 - StatisticsResult: Ultimate Automizer benchmark data 16.79/7.88 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.79/7.88 - StatisticsResult: Constructed decomposition of program 16.79/7.88 Your program was decomposed into 5 terminating modules (4 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * i + 9 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 12 locations. 16.79/7.88 - StatisticsResult: Timing statistics 16.79/7.88 BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 64 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc3 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax210 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf94 smp100 dnf100 smp100 tf110 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 5 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 16.79/7.88 - TerminationAnalysisResult: Nontermination possible 16.79/7.88 Buchi Automizer proved that your program is nonterminating for some inputs 16.79/7.88 - GeometricNonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. 16.79/7.88 [2019-03-28 22:24:49,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,835 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,835 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,835 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,837 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 [2019-03-28 22:24:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 16.79/7.88 [2019-03-28 22:24:49,838 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 16.79/7.88 Nontermination argument in form of an infinite execution 16.79/7.88 {~unnamed0~0~true=1, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~false=0, |ULTIMATE.start_main_#res|=0} 16.79/7.88 {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=6} 16.79/7.88 {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=9} 16.79/7.88 {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=12} 16.79/7.88 {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=15} 16.79/7.88 {~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=18} 16.79/7.88 - StatisticsResult: NonterminationArgumentStatistics 16.79/7.88 Unbounded Execution 1GEVs Lambdas: [0, 1, 0] Mus: [0, 0] 16.79/7.88 - NonterminatingLassoResult [Line: 9]: Nonterminating execution 16.79/7.88 Found a nonterminating execution for the following lasso shaped sequence of statements. 16.79/7.88 Stem: 16.79/7.88 [L6] int i; 16.79/7.88 [L7] i = 3 16.79/7.88 [L9] COND TRUE i >= 3 16.79/7.88 [L10] COND FALSE !(i > 5) 16.79/7.88 [L13] COND FALSE !(i > 10) 16.79/7.88 [L16] i = i+1 16.79/7.88 [L9] COND TRUE i >= 3 16.79/7.88 [L10] COND FALSE !(i > 5) 16.79/7.88 [L13] COND FALSE !(i > 10) 16.79/7.88 [L16] i = i+1 16.79/7.88 [L9] COND TRUE i >= 3 16.79/7.88 [L10] COND FALSE !(i > 5) 16.79/7.88 [L13] COND FALSE !(i > 10) 16.79/7.88 [L16] i = i+1 16.79/7.88 Loop: 16.79/7.88 [L9] COND TRUE i >= 3 16.79/7.88 [L10] COND TRUE i > 5 16.79/7.88 [L11] i = i+3 16.79/7.88 End of lasso representation. 16.79/7.88 RESULT: Ultimate proved your program to be incorrect! 16.79/7.88 !SESSION 2019-03-28 22:24:43.130 ----------------------------------------------- 16.79/7.88 eclipse.buildId=unknown 16.79/7.88 java.version=1.8.0_181 16.79/7.88 java.vendor=Oracle Corporation 16.79/7.88 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.79/7.88 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.79/7.88 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 16.79/7.89 16.79/7.89 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:24:50.063 16.79/7.89 !MESSAGE The workspace will exit with unsaved changes in this session. 16.79/7.89 Received shutdown request... 16.79/7.89 Ultimate: 16.79/7.89 GTK+ Version Check 16.79/7.89 EOF