13.91/8.73 YES 13.91/8.73 13.91/8.73 Ultimate: Cannot open display: 13.91/8.73 This is Ultimate 0.1.24-8dc7c08-m 13.91/8.73 [2019-03-28 12:12:33,598 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.91/8.73 [2019-03-28 12:12:33,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.91/8.73 [2019-03-28 12:12:33,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.91/8.73 [2019-03-28 12:12:33,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.91/8.73 [2019-03-28 12:12:33,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.91/8.73 [2019-03-28 12:12:33,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.91/8.73 [2019-03-28 12:12:33,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.91/8.73 [2019-03-28 12:12:33,618 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.91/8.73 [2019-03-28 12:12:33,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.91/8.73 [2019-03-28 12:12:33,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.91/8.73 [2019-03-28 12:12:33,621 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.91/8.73 [2019-03-28 12:12:33,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.91/8.73 [2019-03-28 12:12:33,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.91/8.73 [2019-03-28 12:12:33,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.91/8.73 [2019-03-28 12:12:33,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.91/8.73 [2019-03-28 12:12:33,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.91/8.73 [2019-03-28 12:12:33,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.91/8.73 [2019-03-28 12:12:33,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.91/8.73 [2019-03-28 12:12:33,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.91/8.73 [2019-03-28 12:12:33,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.91/8.73 [2019-03-28 12:12:33,635 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.91/8.73 [2019-03-28 12:12:33,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.91/8.73 [2019-03-28 12:12:33,636 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,636 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.91/8.73 [2019-03-28 12:12:33,637 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.91/8.73 [2019-03-28 12:12:33,638 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.91/8.73 [2019-03-28 12:12:33,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.91/8.73 [2019-03-28 12:12:33,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.91/8.73 [2019-03-28 12:12:33,640 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.91/8.73 [2019-03-28 12:12:33,641 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.91/8.73 [2019-03-28 12:12:33,642 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.91/8.73 [2019-03-28 12:12:33,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.91/8.73 [2019-03-28 12:12:33,643 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.91/8.73 [2019-03-28 12:12:33,658 INFO L110 SettingsManager]: Loading preferences was successful 13.91/8.73 [2019-03-28 12:12:33,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.91/8.73 [2019-03-28 12:12:33,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.91/8.73 [2019-03-28 12:12:33,659 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.91/8.73 [2019-03-28 12:12:33,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.91/8.73 [2019-03-28 12:12:33,660 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.91/8.73 [2019-03-28 12:12:33,660 INFO L133 SettingsManager]: * Use SBE=true 13.91/8.73 [2019-03-28 12:12:33,660 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.91/8.73 [2019-03-28 12:12:33,660 INFO L133 SettingsManager]: * Use old map elimination=false 13.91/8.73 [2019-03-28 12:12:33,660 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.91/8.73 [2019-03-28 12:12:33,661 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.91/8.73 [2019-03-28 12:12:33,661 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.91/8.73 [2019-03-28 12:12:33,661 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.91/8.73 [2019-03-28 12:12:33,661 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.91/8.73 [2019-03-28 12:12:33,661 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:33,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.91/8.73 [2019-03-28 12:12:33,662 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.91/8.73 [2019-03-28 12:12:33,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.91/8.73 [2019-03-28 12:12:33,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.91/8.73 [2019-03-28 12:12:33,662 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.91/8.73 [2019-03-28 12:12:33,663 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.91/8.73 [2019-03-28 12:12:33,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.91/8.73 [2019-03-28 12:12:33,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.91/8.73 [2019-03-28 12:12:33,663 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.91/8.73 [2019-03-28 12:12:33,663 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.91/8.73 [2019-03-28 12:12:33,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.91/8.73 [2019-03-28 12:12:33,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.91/8.73 [2019-03-28 12:12:33,664 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.91/8.73 [2019-03-28 12:12:33,664 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.91/8.73 [2019-03-28 12:12:33,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.91/8.73 [2019-03-28 12:12:33,705 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.91/8.73 [2019-03-28 12:12:33,708 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.91/8.73 [2019-03-28 12:12:33,710 INFO L271 PluginConnector]: Initializing CDTParser... 13.91/8.73 [2019-03-28 12:12:33,710 INFO L276 PluginConnector]: CDTParser initialized 13.91/8.73 [2019-03-28 12:12:33,711 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.91/8.73 [2019-03-28 12:12:33,767 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/5165024090bd41949a0f9be49d3db635/FLAG4ee2542bf 13.91/8.73 [2019-03-28 12:12:34,344 INFO L307 CDTParser]: Found 1 translation units. 13.91/8.73 [2019-03-28 12:12:34,345 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.91/8.73 [2019-03-28 12:12:34,351 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/5165024090bd41949a0f9be49d3db635/FLAG4ee2542bf 13.91/8.73 [2019-03-28 12:12:35,486 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/5165024090bd41949a0f9be49d3db635 13.91/8.73 [2019-03-28 12:12:35,499 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.91/8.73 [2019-03-28 12:12:35,501 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.91/8.73 [2019-03-28 12:12:35,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.91/8.73 [2019-03-28 12:12:35,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.91/8.73 [2019-03-28 12:12:35,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.91/8.73 [2019-03-28 12:12:35,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635fa807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:35,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.91/8.73 [2019-03-28 12:12:35,534 INFO L176 MainTranslator]: Built tables and reachable declarations 13.91/8.73 [2019-03-28 12:12:35,691 INFO L206 PostProcessor]: Analyzing one entry point: main 13.91/8.73 [2019-03-28 12:12:35,696 INFO L191 MainTranslator]: Completed pre-run 13.91/8.73 [2019-03-28 12:12:35,711 INFO L206 PostProcessor]: Analyzing one entry point: main 13.91/8.73 [2019-03-28 12:12:35,726 INFO L195 MainTranslator]: Completed translation 13.91/8.73 [2019-03-28 12:12:35,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35 WrapperNode 13.91/8.73 [2019-03-28 12:12:35,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.91/8.73 [2019-03-28 12:12:35,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.91/8.73 [2019-03-28 12:12:35,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.91/8.73 [2019-03-28 12:12:35,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.91/8.73 [2019-03-28 12:12:35,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.91/8.73 [2019-03-28 12:12:35,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.91/8.73 [2019-03-28 12:12:35,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.91/8.73 [2019-03-28 12:12:35,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.91/8.73 [2019-03-28 12:12:35,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 [2019-03-28 12:12:35,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.91/8.73 [2019-03-28 12:12:35,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.91/8.73 [2019-03-28 12:12:35,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.91/8.73 [2019-03-28 12:12:35,847 INFO L276 PluginConnector]: RCFGBuilder initialized 13.91/8.73 [2019-03-28 12:12:35,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (1/1) ... 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.91/8.73 [2019-03-28 12:12:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.91/8.73 [2019-03-28 12:12:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.91/8.73 [2019-03-28 12:12:36,054 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.91/8.73 [2019-03-28 12:12:36,055 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 13.91/8.73 [2019-03-28 12:12:36,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:36 BoogieIcfgContainer 13.91/8.73 [2019-03-28 12:12:36,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.91/8.73 [2019-03-28 12:12:36,057 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.91/8.73 [2019-03-28 12:12:36,057 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.91/8.73 [2019-03-28 12:12:36,059 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.91/8.73 [2019-03-28 12:12:36,060 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:36" (1/1) ... 13.91/8.73 [2019-03-28 12:12:36,075 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 13.91/8.73 [2019-03-28 12:12:36,077 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.91/8.73 [2019-03-28 12:12:36,078 INFO L263 BlockEncoder]: Using Maximize final states 13.91/8.73 [2019-03-28 12:12:36,079 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.91/8.73 [2019-03-28 12:12:36,079 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.91/8.73 [2019-03-28 12:12:36,081 INFO L296 BlockEncoder]: Using Remove sink states 13.91/8.73 [2019-03-28 12:12:36,082 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.91/8.73 [2019-03-28 12:12:36,082 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.91/8.73 [2019-03-28 12:12:36,098 INFO L185 BlockEncoder]: Using Use SBE 13.91/8.73 [2019-03-28 12:12:36,106 INFO L200 BlockEncoder]: SBE split 0 edges 13.91/8.73 [2019-03-28 12:12:36,111 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 13.91/8.73 [2019-03-28 12:12:36,113 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.91/8.73 [2019-03-28 12:12:36,139 INFO L100 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding 13.91/8.73 [2019-03-28 12:12:36,141 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.91/8.73 [2019-03-28 12:12:36,143 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.91/8.73 [2019-03-28 12:12:36,143 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.91/8.73 [2019-03-28 12:12:36,143 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.91/8.73 [2019-03-28 12:12:36,144 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.91/8.73 [2019-03-28 12:12:36,144 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.91/8.73 [2019-03-28 12:12:36,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:36 BasicIcfg 13.91/8.73 [2019-03-28 12:12:36,145 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.91/8.73 [2019-03-28 12:12:36,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.91/8.73 [2019-03-28 12:12:36,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.91/8.73 [2019-03-28 12:12:36,150 INFO L276 PluginConnector]: TraceAbstraction initialized 13.91/8.73 [2019-03-28 12:12:36,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:12:35" (1/4) ... 13.91/8.73 [2019-03-28 12:12:36,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953e14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (2/4) ... 13.91/8.73 [2019-03-28 12:12:36,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953e14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:36" (3/4) ... 13.91/8.73 [2019-03-28 12:12:36,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953e14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:36" (4/4) ... 13.91/8.73 [2019-03-28 12:12:36,154 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.91/8.73 [2019-03-28 12:12:36,166 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.91/8.73 [2019-03-28 12:12:36,175 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.91/8.73 [2019-03-28 12:12:36,194 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.91/8.73 [2019-03-28 12:12:36,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.91/8.73 [2019-03-28 12:12:36,223 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.91/8.73 [2019-03-28 12:12:36,224 INFO L383 AbstractCegarLoop]: Hoare is true 13.91/8.73 [2019-03-28 12:12:36,224 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.91/8.73 [2019-03-28 12:12:36,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.91/8.73 [2019-03-28 12:12:36,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.91/8.73 [2019-03-28 12:12:36,224 INFO L387 AbstractCegarLoop]: Difference is false 13.91/8.73 [2019-03-28 12:12:36,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.91/8.73 [2019-03-28 12:12:36,225 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.91/8.73 [2019-03-28 12:12:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.91/8.73 [2019-03-28 12:12:36,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.91/8.73 [2019-03-28 12:12:36,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.91/8.73 [2019-03-28 12:12:36,302 INFO L451 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: true 13.91/8.73 [2019-03-28 12:12:36,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.91/8.73 [2019-03-28 12:12:36,303 INFO L451 ceAbstractionStarter]: At program point L5-3(line 5) the Hoare annotation is: true 13.91/8.73 [2019-03-28 12:12:36,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:36 BasicIcfg 13.91/8.73 [2019-03-28 12:12:36,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.91/8.73 [2019-03-28 12:12:36,312 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.91/8.73 [2019-03-28 12:12:36,312 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.91/8.73 [2019-03-28 12:12:36,315 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.91/8.73 [2019-03-28 12:12:36,316 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.91/8.73 [2019-03-28 12:12:36,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:12:35" (1/5) ... 13.91/8.73 [2019-03-28 12:12:36,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bd0403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.91/8.73 [2019-03-28 12:12:36,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:35" (2/5) ... 13.91/8.73 [2019-03-28 12:12:36,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bd0403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.91/8.73 [2019-03-28 12:12:36,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:36" (3/5) ... 13.91/8.73 [2019-03-28 12:12:36,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bd0403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,319 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.91/8.73 [2019-03-28 12:12:36,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:36" (4/5) ... 13.91/8.73 [2019-03-28 12:12:36,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bd0403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:36, skipping insertion in model container 13.91/8.73 [2019-03-28 12:12:36,319 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.91/8.73 [2019-03-28 12:12:36,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:36" (5/5) ... 13.91/8.73 [2019-03-28 12:12:36,321 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.91/8.73 [2019-03-28 12:12:36,347 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.91/8.73 [2019-03-28 12:12:36,347 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.91/8.73 [2019-03-28 12:12:36,347 INFO L375 BuchiCegarLoop]: Hoare is true 13.91/8.73 [2019-03-28 12:12:36,348 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.91/8.73 [2019-03-28 12:12:36,348 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.91/8.73 [2019-03-28 12:12:36,348 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.91/8.73 [2019-03-28 12:12:36,348 INFO L379 BuchiCegarLoop]: Difference is false 13.91/8.73 [2019-03-28 12:12:36,348 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.91/8.73 [2019-03-28 12:12:36,348 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.91/8.73 [2019-03-28 12:12:36,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.91/8.73 [2019-03-28 12:12:36,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 13.91/8.73 [2019-03-28 12:12:36,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.91/8.73 [2019-03-28 12:12:36,369 INFO L119 BuchiIsEmpty]: Starting construction of run 13.91/8.73 [2019-03-28 12:12:36,374 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.91/8.73 [2019-03-28 12:12:36,374 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.91/8.73 [2019-03-28 12:12:36,375 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.91/8.73 [2019-03-28 12:12:36,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.91/8.73 [2019-03-28 12:12:36,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 13.91/8.73 [2019-03-28 12:12:36,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.91/8.73 [2019-03-28 12:12:36,376 INFO L119 BuchiIsEmpty]: Starting construction of run 13.91/8.73 [2019-03-28 12:12:36,376 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.91/8.73 [2019-03-28 12:12:36,376 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.91/8.73 [2019-03-28 12:12:36,381 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [33] ULTIMATE.startENTRY-->L4-3: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 4#L4-3true 13.91/8.73 [2019-03-28 12:12:36,382 INFO L796 eck$LassoCheckResult]: Loop: 4#L4-3true [48] L4-3-->L4-3: Formula: (and (< v_ULTIMATE.start_main_~i~0_11 100) (= (+ v_ULTIMATE.start_main_~c~0_10 1) v_ULTIMATE.start_main_~c~0_9) (= (+ v_ULTIMATE.start_main_~i~0_11 1) v_ULTIMATE.start_main_~i~0_10)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 4#L4-3true 13.91/8.73 [2019-03-28 12:12:36,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:36,388 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times 13.91/8.73 [2019-03-28 12:12:36,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.91/8.73 [2019-03-28 12:12:36,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.91/8.73 [2019-03-28 12:12:36,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 13.91/8.73 [2019-03-28 12:12:36,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.91/8.73 [2019-03-28 12:12:36,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.91/8.73 [2019-03-28 12:12:36,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2032, now seen corresponding path program 1 times 13.91/8.73 [2019-03-28 12:12:36,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.91/8.73 [2019-03-28 12:12:36,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.91/8.73 [2019-03-28 12:12:36,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:36,522 INFO L216 LassoAnalysis]: Preferences: 13.91/8.73 [2019-03-28 12:12:36,523 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.91/8.73 [2019-03-28 12:12:36,523 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.91/8.73 [2019-03-28 12:12:36,523 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.91/8.73 [2019-03-28 12:12:36,524 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.91/8.73 [2019-03-28 12:12:36,524 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,524 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.91/8.73 [2019-03-28 12:12:36,524 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.91/8.73 [2019-03-28 12:12:36,524 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.91/8.73 [2019-03-28 12:12:36,524 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.91/8.73 [2019-03-28 12:12:36,525 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.91/8.73 [2019-03-28 12:12:36,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,618 INFO L300 LassoAnalysis]: Preprocessing complete. 13.91/8.73 [2019-03-28 12:12:36,619 INFO L412 LassoAnalysis]: Checking for nontermination... 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,625 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:36,625 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,657 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:36,657 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 [2019-03-28 12:12:36,699 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.91/8.73 [2019-03-28 12:12:36,699 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,726 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:36,727 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,757 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:36,757 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 [2019-03-28 12:12:36,790 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.91/8.73 [2019-03-28 12:12:36,792 INFO L216 LassoAnalysis]: Preferences: 13.91/8.73 [2019-03-28 12:12:36,792 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.91/8.73 [2019-03-28 12:12:36,792 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.91/8.73 [2019-03-28 12:12:36,792 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.91/8.73 [2019-03-28 12:12:36,792 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.91/8.73 [2019-03-28 12:12:36,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:36,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.91/8.73 [2019-03-28 12:12:36,793 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.91/8.73 [2019-03-28 12:12:36,793 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.91/8.73 [2019-03-28 12:12:36,793 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.91/8.73 [2019-03-28 12:12:36,793 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.91/8.73 [2019-03-28 12:12:36,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:36,851 INFO L300 LassoAnalysis]: Preprocessing complete. 13.91/8.73 [2019-03-28 12:12:36,857 INFO L497 LassoAnalysis]: Using template 'affine'. 13.91/8.73 [2019-03-28 12:12:36,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.91/8.73 Termination analysis: LINEAR_WITH_GUESSES 13.91/8.73 Number of strict supporting invariants: 0 13.91/8.73 Number of non-strict supporting invariants: 1 13.91/8.73 Consider only non-deceasing supporting invariants: true 13.91/8.73 Simplify termination arguments: true 13.91/8.73 Simplify supporting invariants: trueOverapproximate stem: false 13.91/8.73 [2019-03-28 12:12:36,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.91/8.73 [2019-03-28 12:12:36,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.91/8.73 [2019-03-28 12:12:36,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.91/8.73 [2019-03-28 12:12:36,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.91/8.73 [2019-03-28 12:12:36,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.91/8.73 [2019-03-28 12:12:36,864 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.91/8.73 [2019-03-28 12:12:36,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.91/8.73 [2019-03-28 12:12:36,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.91/8.73 [2019-03-28 12:12:36,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.91/8.73 Termination analysis: LINEAR_WITH_GUESSES 13.91/8.73 Number of strict supporting invariants: 0 13.91/8.73 Number of non-strict supporting invariants: 1 13.91/8.73 Consider only non-deceasing supporting invariants: true 13.91/8.73 Simplify termination arguments: true 13.91/8.73 Simplify supporting invariants: trueOverapproximate stem: false 13.91/8.73 [2019-03-28 12:12:36,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.91/8.73 [2019-03-28 12:12:36,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.91/8.73 [2019-03-28 12:12:36,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.91/8.73 [2019-03-28 12:12:36,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.91/8.73 [2019-03-28 12:12:36,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.91/8.73 [2019-03-28 12:12:36,874 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.91/8.73 [2019-03-28 12:12:36,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.91/8.73 [2019-03-28 12:12:36,881 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.91/8.73 [2019-03-28 12:12:36,886 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.91/8.73 [2019-03-28 12:12:36,886 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.91/8.73 [2019-03-28 12:12:36,889 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.91/8.73 [2019-03-28 12:12:36,889 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.91/8.73 [2019-03-28 12:12:36,889 INFO L518 LassoAnalysis]: Proved termination. 13.91/8.73 [2019-03-28 12:12:36,890 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.91/8.73 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 13.91/8.73 Supporting invariants [] 13.91/8.73 [2019-03-28 12:12:36,891 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.91/8.73 [2019-03-28 12:12:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.91/8.73 [2019-03-28 12:12:36,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.91/8.73 [2019-03-28 12:12:36,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.91/8.73 [2019-03-28 12:12:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.91/8.73 [2019-03-28 12:12:36,963 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.91/8.73 [2019-03-28 12:12:36,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.91/8.73 [2019-03-28 12:12:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.91/8.73 [2019-03-28 12:12:36,976 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.91/8.73 [2019-03-28 12:12:36,982 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 13.91/8.73 [2019-03-28 12:12:36,983 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. 13.91/8.73 [2019-03-28 12:12:37,008 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 6 states and 10 transitions. Complement of second has 4 states. 13.91/8.73 [2019-03-28 12:12:37,009 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 13.91/8.73 [2019-03-28 12:12:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.91/8.73 [2019-03-28 12:12:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 13.91/8.73 [2019-03-28 12:12:37,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. 13.91/8.73 [2019-03-28 12:12:37,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 13.91/8.73 [2019-03-28 12:12:37,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 13.91/8.73 [2019-03-28 12:12:37,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 10 transitions. 13.91/8.73 [2019-03-28 12:12:37,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.91/8.73 [2019-03-28 12:12:37,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 7 transitions. 13.91/8.73 [2019-03-28 12:12:37,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 13.91/8.73 [2019-03-28 12:12:37,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 13.91/8.73 [2019-03-28 12:12:37,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. 13.91/8.73 [2019-03-28 12:12:37,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.91/8.73 [2019-03-28 12:12:37,029 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 13.91/8.73 [2019-03-28 12:12:37,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. 13.91/8.73 [2019-03-28 12:12:37,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. 13.91/8.73 [2019-03-28 12:12:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.91/8.73 [2019-03-28 12:12:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. 13.91/8.73 [2019-03-28 12:12:37,057 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 13.91/8.73 [2019-03-28 12:12:37,057 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 13.91/8.73 [2019-03-28 12:12:37,057 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.91/8.73 [2019-03-28 12:12:37,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. 13.91/8.73 [2019-03-28 12:12:37,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.91/8.73 [2019-03-28 12:12:37,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.91/8.73 [2019-03-28 12:12:37,058 INFO L119 BuchiIsEmpty]: Starting construction of run 13.91/8.73 [2019-03-28 12:12:37,058 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.91/8.73 [2019-03-28 12:12:37,058 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.91/8.73 [2019-03-28 12:12:37,059 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [33] ULTIMATE.startENTRY-->L4-3: Formula: (and (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~i~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 38#L4-3 [49] L4-3-->L5-3: Formula: (and (= 5 v_ULTIMATE.start_main_~j~0_9) (<= 100 v_ULTIMATE.start_main_~i~0_12)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 40#L5-3 13.91/8.73 [2019-03-28 12:12:37,059 INFO L796 eck$LassoCheckResult]: Loop: 40#L5-3 [50] L5-3-->L5-3: Formula: (and (< v_ULTIMATE.start_main_~j~0_11 21) (= (+ v_ULTIMATE.start_main_~c~0_12 1) v_ULTIMATE.start_main_~c~0_11) (= (+ v_ULTIMATE.start_main_~j~0_11 3) v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~c~0] 40#L5-3 13.91/8.73 [2019-03-28 12:12:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:37,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2033, now seen corresponding path program 1 times 13.91/8.73 [2019-03-28 12:12:37,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.91/8.73 [2019-03-28 12:12:37,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.91/8.73 [2019-03-28 12:12:37,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.91/8.73 [2019-03-28 12:12:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.91/8.73 [2019-03-28 12:12:37,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 13.91/8.73 [2019-03-28 12:12:37,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 13.91/8.73 [2019-03-28 12:12:37,100 INFO L799 eck$LassoCheckResult]: stem already infeasible 13.91/8.73 [2019-03-28 12:12:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:37,100 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times 13.91/8.73 [2019-03-28 12:12:37,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.91/8.73 [2019-03-28 12:12:37,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.91/8.73 [2019-03-28 12:12:37,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.91/8.73 [2019-03-28 12:12:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.91/8.73 [2019-03-28 12:12:37,122 INFO L216 LassoAnalysis]: Preferences: 13.91/8.73 [2019-03-28 12:12:37,122 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.91/8.73 [2019-03-28 12:12:37,122 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.91/8.73 [2019-03-28 12:12:37,122 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.91/8.73 [2019-03-28 12:12:37,122 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.91/8.73 [2019-03-28 12:12:37,123 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:37,123 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.91/8.73 [2019-03-28 12:12:37,123 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.91/8.73 [2019-03-28 12:12:37,123 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.91/8.73 [2019-03-28 12:12:37,123 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.91/8.73 [2019-03-28 12:12:37,123 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.91/8.73 [2019-03-28 12:12:37,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:37,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:37,171 INFO L300 LassoAnalysis]: Preprocessing complete. 13.91/8.73 [2019-03-28 12:12:37,171 INFO L412 LassoAnalysis]: Checking for nontermination... 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:37,174 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:37,174 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.91/8.73 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.91/8.73 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:37,204 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.91/8.73 [2019-03-28 12:12:37,204 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.91/8.73 [2019-03-28 12:12:37,234 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.91/8.73 [2019-03-28 12:12:37,238 INFO L216 LassoAnalysis]: Preferences: 13.91/8.73 [2019-03-28 12:12:37,238 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.91/8.73 [2019-03-28 12:12:37,238 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.91/8.73 [2019-03-28 12:12:37,238 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.91/8.73 [2019-03-28 12:12:37,238 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.91/8.73 [2019-03-28 12:12:37,238 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.91/8.73 [2019-03-28 12:12:37,238 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.91/8.73 [2019-03-28 12:12:37,239 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.91/8.73 [2019-03-28 12:12:37,239 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.91/8.73 [2019-03-28 12:12:37,239 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.91/8.73 [2019-03-28 12:12:37,239 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.91/8.73 [2019-03-28 12:12:37,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:37,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.91/8.73 [2019-03-28 12:12:37,280 INFO L300 LassoAnalysis]: Preprocessing complete. 13.91/8.73 [2019-03-28 12:12:37,281 INFO L497 LassoAnalysis]: Using template 'affine'. 13.91/8.73 [2019-03-28 12:12:37,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.91/8.73 Termination analysis: LINEAR_WITH_GUESSES 13.91/8.73 Number of strict supporting invariants: 0 13.91/8.73 Number of non-strict supporting invariants: 1 13.91/8.73 Consider only non-deceasing supporting invariants: true 13.91/8.73 Simplify termination arguments: true 13.91/8.73 Simplify supporting invariants: trueOverapproximate stem: false 13.91/8.73 [2019-03-28 12:12:37,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.91/8.73 [2019-03-28 12:12:37,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.91/8.73 [2019-03-28 12:12:37,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.91/8.73 [2019-03-28 12:12:37,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.91/8.73 [2019-03-28 12:12:37,283 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.91/8.73 [2019-03-28 12:12:37,283 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.91/8.73 [2019-03-28 12:12:37,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.91/8.73 [2019-03-28 12:12:37,289 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.91/8.73 [2019-03-28 12:12:37,293 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.91/8.73 [2019-03-28 12:12:37,293 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 13.91/8.73 [2019-03-28 12:12:37,294 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.91/8.73 [2019-03-28 12:12:37,294 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.91/8.73 [2019-03-28 12:12:37,294 INFO L518 LassoAnalysis]: Proved termination. 13.91/8.73 [2019-03-28 12:12:37,294 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.91/8.73 Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 43 13.91/8.73 Supporting invariants [] 13.91/8.73 [2019-03-28 12:12:37,295 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.91/8.73 [2019-03-28 12:12:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.91/8.73 [2019-03-28 12:12:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.91/8.73 [2019-03-28 12:12:37,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 13.91/8.73 [2019-03-28 12:12:37,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.91/8.73 [2019-03-28 12:12:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.91/8.73 [2019-03-28 12:12:37,324 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.91/8.73 [2019-03-28 12:12:37,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.91/8.73 [2019-03-28 12:12:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.91/8.73 [2019-03-28 12:12:37,325 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.91/8.73 [2019-03-28 12:12:37,325 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 13.91/8.73 [2019-03-28 12:12:37,325 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4 Second operand 2 states. 13.91/8.73 [2019-03-28 12:12:37,330 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. 13.91/8.73 [2019-03-28 12:12:37,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 13.91/8.73 [2019-03-28 12:12:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.91/8.73 [2019-03-28 12:12:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. 13.91/8.73 [2019-03-28 12:12:37,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. 13.91/8.73 [2019-03-28 12:12:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. 13.91/8.73 [2019-03-28 12:12:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. 13.91/8.73 [2019-03-28 12:12:37,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.91/8.73 [2019-03-28 12:12:37,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. 13.91/8.73 [2019-03-28 12:12:37,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.91/8.73 [2019-03-28 12:12:37,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.91/8.73 [2019-03-28 12:12:37,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.91/8.73 [2019-03-28 12:12:37,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.91/8.73 [2019-03-28 12:12:37,335 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,335 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 13.91/8.73 [2019-03-28 12:12:37,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 13.91/8.73 [2019-03-28 12:12:37,338 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. 13.91/8.73 [2019-03-28 12:12:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 13.91/8.73 [2019-03-28 12:12:37,341 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 13.91/8.73 [2019-03-28 12:12:37,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.91/8.73 [2019-03-28 12:12:37,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.91/8.73 [2019-03-28 12:12:37,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.91/8.73 [2019-03-28 12:12:37,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.91/8.73 [2019-03-28 12:12:37,343 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,343 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,344 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.91/8.73 [2019-03-28 12:12:37,344 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.91/8.73 [2019-03-28 12:12:37,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.91/8.74 [2019-03-28 12:12:37,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.91/8.74 [2019-03-28 12:12:37,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.91/8.74 [2019-03-28 12:12:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:37 BasicIcfg 13.91/8.74 [2019-03-28 12:12:37,350 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.91/8.74 [2019-03-28 12:12:37,350 INFO L168 Benchmark]: Toolchain (without parser) took 1850.58 ms. Allocated memory was 514.9 MB in the beginning and 540.0 MB in the end (delta: 25.2 MB). Free memory was 441.6 MB in the beginning and 393.1 MB in the end (delta: 48.6 MB). Peak memory consumption was 73.7 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,352 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.34 ms. Allocated memory is still 514.9 MB. Free memory was 441.1 MB in the beginning and 431.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.53 ms. Allocated memory was 514.9 MB in the beginning and 540.0 MB in the end (delta: 25.2 MB). Free memory was 431.2 MB in the beginning and 510.2 MB in the end (delta: -79.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,354 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 540.0 MB. Free memory was 510.2 MB in the beginning and 508.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,355 INFO L168 Benchmark]: RCFGBuilder took 209.53 ms. Allocated memory is still 540.0 MB. Free memory was 508.2 MB in the beginning and 497.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,356 INFO L168 Benchmark]: BlockEncodingV2 took 87.88 ms. Allocated memory is still 540.0 MB. Free memory was 497.5 MB in the beginning and 492.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,356 INFO L168 Benchmark]: TraceAbstraction took 165.82 ms. Allocated memory is still 540.0 MB. Free memory was 491.6 MB in the beginning and 482.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,357 INFO L168 Benchmark]: BuchiAutomizer took 1037.95 ms. Allocated memory is still 540.0 MB. Free memory was 482.7 MB in the beginning and 393.1 MB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 50.3 GB. 13.91/8.74 [2019-03-28 12:12:37,361 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.91/8.74 --- Results --- 13.91/8.74 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.91/8.74 - StatisticsResult: Initial Icfg 13.91/8.74 10 locations, 13 edges 13.91/8.74 - StatisticsResult: Encoded RCFG 13.91/8.74 3 locations, 4 edges 13.91/8.74 * Results from de.uni_freiburg.informatik.ultimate.core: 13.91/8.74 - StatisticsResult: Toolchain Benchmarks 13.91/8.74 Benchmark results are: 13.91/8.74 * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 460.8 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.91/8.74 * CACSL2BoogieTranslator took 225.34 ms. Allocated memory is still 514.9 MB. Free memory was 441.1 MB in the beginning and 431.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 13.91/8.74 * Boogie Procedure Inliner took 97.53 ms. Allocated memory was 514.9 MB in the beginning and 540.0 MB in the end (delta: 25.2 MB). Free memory was 431.2 MB in the beginning and 510.2 MB in the end (delta: -79.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 50.3 GB. 13.91/8.74 * Boogie Preprocessor took 21.10 ms. Allocated memory is still 540.0 MB. Free memory was 510.2 MB in the beginning and 508.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. 13.91/8.74 * RCFGBuilder took 209.53 ms. Allocated memory is still 540.0 MB. Free memory was 508.2 MB in the beginning and 497.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 13.91/8.74 * BlockEncodingV2 took 87.88 ms. Allocated memory is still 540.0 MB. Free memory was 497.5 MB in the beginning and 492.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.91/8.74 * TraceAbstraction took 165.82 ms. Allocated memory is still 540.0 MB. Free memory was 491.6 MB in the beginning and 482.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 13.91/8.74 * BuchiAutomizer took 1037.95 ms. Allocated memory is still 540.0 MB. Free memory was 482.7 MB in the beginning and 393.1 MB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 50.3 GB. 13.91/8.74 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.91/8.74 - AllSpecificationsHoldResult: All specifications hold 13.91/8.74 We were not able to verify any specifiation because the program does not contain any specification. 13.91/8.74 - InvariantResult [Line: 4]: Loop Invariant 13.91/8.74 Derived loop invariant: 1 13.91/8.74 - InvariantResult [Line: 5]: Loop Invariant 13.91/8.74 Derived loop invariant: 1 13.91/8.74 - StatisticsResult: Ultimate Automizer benchmark data 13.91/8.74 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.91/8.74 - StatisticsResult: Constructed decomposition of program 13.91/8.74 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 199 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * j + 43 and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 13.91/8.74 - StatisticsResult: Timing statistics 13.91/8.74 BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.91/8.74 - TerminationAnalysisResult: Termination proven 13.91/8.74 Buchi Automizer proved that your program is terminating 13.91/8.74 RESULT: Ultimate proved your program to be correct! 13.91/8.74 !SESSION 2019-03-28 12:12:31.011 ----------------------------------------------- 13.91/8.74 eclipse.buildId=unknown 13.91/8.74 java.version=1.8.0_181 13.91/8.74 java.vendor=Oracle Corporation 13.91/8.74 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.91/8.74 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.91/8.74 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 13.91/8.74 13.91/8.74 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:12:37.593 13.91/8.74 !MESSAGE The workspace will exit with unsaved changes in this session. 13.91/8.74 Received shutdown request... 13.91/8.74 Ultimate: 13.91/8.74 GTK+ Version Check 13.91/8.74 EOF