17.14/8.74 NO 17.14/8.74 17.14/8.74 Ultimate: Cannot open display: 17.14/8.74 This is Ultimate 0.1.24-8dc7c08-m 17.14/8.74 [2019-03-29 02:14:15,812 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.14/8.74 [2019-03-29 02:14:15,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.14/8.74 [2019-03-29 02:14:15,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.14/8.74 [2019-03-29 02:14:15,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.14/8.74 [2019-03-29 02:14:15,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.14/8.74 [2019-03-29 02:14:15,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.14/8.74 [2019-03-29 02:14:15,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.14/8.74 [2019-03-29 02:14:15,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.14/8.74 [2019-03-29 02:14:15,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.14/8.74 [2019-03-29 02:14:15,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.14/8.74 [2019-03-29 02:14:15,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.14/8.74 [2019-03-29 02:14:15,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.14/8.74 [2019-03-29 02:14:15,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.14/8.74 [2019-03-29 02:14:15,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.14/8.74 [2019-03-29 02:14:15,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.14/8.74 [2019-03-29 02:14:15,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.14/8.74 [2019-03-29 02:14:15,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.14/8.74 [2019-03-29 02:14:15,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.14/8.74 [2019-03-29 02:14:15,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.14/8.74 [2019-03-29 02:14:15,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.14/8.74 [2019-03-29 02:14:15,848 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.14/8.74 [2019-03-29 02:14:15,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.14/8.74 [2019-03-29 02:14:15,850 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.14/8.74 [2019-03-29 02:14:15,851 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.14/8.74 [2019-03-29 02:14:15,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.14/8.74 [2019-03-29 02:14:15,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.14/8.74 [2019-03-29 02:14:15,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.14/8.74 [2019-03-29 02:14:15,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.14/8.74 [2019-03-29 02:14:15,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.14/8.74 [2019-03-29 02:14:15,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.14/8.74 [2019-03-29 02:14:15,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.14/8.74 [2019-03-29 02:14:15,856 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.14/8.74 [2019-03-29 02:14:15,871 INFO L110 SettingsManager]: Loading preferences was successful 17.14/8.74 [2019-03-29 02:14:15,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.14/8.74 [2019-03-29 02:14:15,872 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.14/8.74 [2019-03-29 02:14:15,873 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.14/8.74 [2019-03-29 02:14:15,873 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.14/8.74 [2019-03-29 02:14:15,873 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.14/8.74 [2019-03-29 02:14:15,873 INFO L133 SettingsManager]: * Use SBE=true 17.14/8.74 [2019-03-29 02:14:15,873 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.14/8.74 [2019-03-29 02:14:15,873 INFO L133 SettingsManager]: * Use old map elimination=false 17.14/8.74 [2019-03-29 02:14:15,874 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.14/8.74 [2019-03-29 02:14:15,874 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.14/8.74 [2019-03-29 02:14:15,874 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.14/8.74 [2019-03-29 02:14:15,874 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.14/8.74 [2019-03-29 02:14:15,874 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.14/8.74 [2019-03-29 02:14:15,875 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:15,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.14/8.74 [2019-03-29 02:14:15,875 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.14/8.74 [2019-03-29 02:14:15,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.14/8.74 [2019-03-29 02:14:15,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.14/8.74 [2019-03-29 02:14:15,875 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.14/8.74 [2019-03-29 02:14:15,876 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.14/8.74 [2019-03-29 02:14:15,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.14/8.74 [2019-03-29 02:14:15,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.14/8.74 [2019-03-29 02:14:15,876 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.14/8.74 [2019-03-29 02:14:15,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.14/8.74 [2019-03-29 02:14:15,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.14/8.74 [2019-03-29 02:14:15,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.14/8.74 [2019-03-29 02:14:15,877 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.14/8.74 [2019-03-29 02:14:15,877 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.14/8.74 [2019-03-29 02:14:15,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.14/8.74 [2019-03-29 02:14:15,916 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.14/8.74 [2019-03-29 02:14:15,920 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.14/8.74 [2019-03-29 02:14:15,921 INFO L271 PluginConnector]: Initializing CDTParser... 17.14/8.74 [2019-03-29 02:14:15,921 INFO L276 PluginConnector]: CDTParser initialized 17.14/8.74 [2019-03-29 02:14:15,922 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.14/8.74 [2019-03-29 02:14:15,989 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6709562d96fa48519e42b549a814d2ef/FLAG84c81979e 17.14/8.74 [2019-03-29 02:14:16,325 INFO L307 CDTParser]: Found 1 translation units. 17.14/8.74 [2019-03-29 02:14:16,326 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.14/8.74 [2019-03-29 02:14:16,333 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6709562d96fa48519e42b549a814d2ef/FLAG84c81979e 17.14/8.74 [2019-03-29 02:14:16,728 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6709562d96fa48519e42b549a814d2ef 17.14/8.74 [2019-03-29 02:14:16,740 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.14/8.74 [2019-03-29 02:14:16,742 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.14/8.74 [2019-03-29 02:14:16,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.14/8.74 [2019-03-29 02:14:16,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.14/8.74 [2019-03-29 02:14:16,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.14/8.74 [2019-03-29 02:14:16,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 17.14/8.74 [2019-03-29 02:14:16,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df121f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:16,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 17.14/8.74 [2019-03-29 02:14:16,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.14/8.74 [2019-03-29 02:14:16,777 INFO L176 MainTranslator]: Built tables and reachable declarations 17.14/8.74 [2019-03-29 02:14:16,939 INFO L206 PostProcessor]: Analyzing one entry point: main 17.14/8.74 [2019-03-29 02:14:16,945 INFO L191 MainTranslator]: Completed pre-run 17.14/8.74 [2019-03-29 02:14:16,962 INFO L206 PostProcessor]: Analyzing one entry point: main 17.14/8.74 [2019-03-29 02:14:17,039 INFO L195 MainTranslator]: Completed translation 17.14/8.74 [2019-03-29 02:14:17,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17 WrapperNode 17.14/8.74 [2019-03-29 02:14:17,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.14/8.74 [2019-03-29 02:14:17,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.14/8.74 [2019-03-29 02:14:17,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.14/8.74 [2019-03-29 02:14:17,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.14/8.74 [2019-03-29 02:14:17,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.14/8.74 [2019-03-29 02:14:17,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.14/8.74 [2019-03-29 02:14:17,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.14/8.74 [2019-03-29 02:14:17,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.14/8.74 [2019-03-29 02:14:17,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.14/8.74 [2019-03-29 02:14:17,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.14/8.74 [2019-03-29 02:14:17,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.14/8.74 [2019-03-29 02:14:17,104 INFO L276 PluginConnector]: RCFGBuilder initialized 17.14/8.74 [2019-03-29 02:14:17,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 17.14/8.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.74 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.14/8.74 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.14/8.74 [2019-03-29 02:14:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.14/8.74 [2019-03-29 02:14:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.14/8.74 [2019-03-29 02:14:17,310 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.14/8.74 [2019-03-29 02:14:17,310 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.14/8.74 [2019-03-29 02:14:17,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17 BoogieIcfgContainer 17.14/8.74 [2019-03-29 02:14:17,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.14/8.74 [2019-03-29 02:14:17,313 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.14/8.74 [2019-03-29 02:14:17,313 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.14/8.74 [2019-03-29 02:14:17,315 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.14/8.74 [2019-03-29 02:14:17,316 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (1/1) ... 17.14/8.74 [2019-03-29 02:14:17,331 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 17.14/8.74 [2019-03-29 02:14:17,333 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.14/8.74 [2019-03-29 02:14:17,334 INFO L263 BlockEncoder]: Using Maximize final states 17.14/8.74 [2019-03-29 02:14:17,334 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.14/8.74 [2019-03-29 02:14:17,335 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.14/8.74 [2019-03-29 02:14:17,336 INFO L296 BlockEncoder]: Using Remove sink states 17.14/8.74 [2019-03-29 02:14:17,338 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.14/8.74 [2019-03-29 02:14:17,338 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.14/8.74 [2019-03-29 02:14:17,355 INFO L185 BlockEncoder]: Using Use SBE 17.14/8.74 [2019-03-29 02:14:17,373 INFO L200 BlockEncoder]: SBE split 2 edges 17.14/8.74 [2019-03-29 02:14:17,378 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.14/8.74 [2019-03-29 02:14:17,380 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.14/8.74 [2019-03-29 02:14:17,396 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.14/8.74 [2019-03-29 02:14:17,398 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.14/8.74 [2019-03-29 02:14:17,400 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.14/8.74 [2019-03-29 02:14:17,400 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.14/8.74 [2019-03-29 02:14:17,400 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.14/8.74 [2019-03-29 02:14:17,401 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.14/8.74 [2019-03-29 02:14:17,401 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 10 edges 17.14/8.74 [2019-03-29 02:14:17,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17 BasicIcfg 17.14/8.74 [2019-03-29 02:14:17,402 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.14/8.74 [2019-03-29 02:14:17,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.14/8.74 [2019-03-29 02:14:17,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.14/8.74 [2019-03-29 02:14:17,407 INFO L276 PluginConnector]: TraceAbstraction initialized 17.14/8.74 [2019-03-29 02:14:17,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:14:16" (1/4) ... 17.14/8.74 [2019-03-29 02:14:17,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f086e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/4) ... 17.14/8.74 [2019-03-29 02:14:17,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f086e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/4) ... 17.14/8.74 [2019-03-29 02:14:17,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f086e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/4) ... 17.14/8.74 [2019-03-29 02:14:17,412 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.14/8.74 [2019-03-29 02:14:17,423 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.14/8.74 [2019-03-29 02:14:17,433 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.14/8.74 [2019-03-29 02:14:17,453 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.14/8.74 [2019-03-29 02:14:17,484 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.14/8.74 [2019-03-29 02:14:17,485 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.14/8.74 [2019-03-29 02:14:17,485 INFO L383 AbstractCegarLoop]: Hoare is true 17.14/8.74 [2019-03-29 02:14:17,486 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.14/8.74 [2019-03-29 02:14:17,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.14/8.74 [2019-03-29 02:14:17,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.14/8.74 [2019-03-29 02:14:17,486 INFO L387 AbstractCegarLoop]: Difference is false 17.14/8.74 [2019-03-29 02:14:17,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.14/8.74 [2019-03-29 02:14:17,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.14/8.74 [2019-03-29 02:14:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 17.14/8.74 [2019-03-29 02:14:17,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.14/8.74 [2019-03-29 02:14:17,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 17.14/8.74 [2019-03-29 02:14:17,560 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 24) no Hoare annotation was computed. 17.14/8.74 [2019-03-29 02:14:17,560 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 27) no Hoare annotation was computed. 17.14/8.74 [2019-03-29 02:14:17,561 INFO L451 ceAbstractionStarter]: At program point L15-1(lines 14 28) the Hoare annotation is: true 17.14/8.74 [2019-03-29 02:14:17,561 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.14/8.74 [2019-03-29 02:14:17,561 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. 17.14/8.74 [2019-03-29 02:14:17,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17 BasicIcfg 17.14/8.74 [2019-03-29 02:14:17,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.14/8.74 [2019-03-29 02:14:17,570 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.14/8.74 [2019-03-29 02:14:17,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.14/8.74 [2019-03-29 02:14:17,573 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.14/8.74 [2019-03-29 02:14:17,574 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.74 [2019-03-29 02:14:17,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:14:16" (1/5) ... 17.14/8.74 [2019-03-29 02:14:17,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da9f5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,575 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.74 [2019-03-29 02:14:17,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/5) ... 17.14/8.74 [2019-03-29 02:14:17,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da9f5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,576 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.74 [2019-03-29 02:14:17,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/5) ... 17.14/8.74 [2019-03-29 02:14:17,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da9f5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,577 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.74 [2019-03-29 02:14:17,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/5) ... 17.14/8.74 [2019-03-29 02:14:17,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da9f5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 17.14/8.74 [2019-03-29 02:14:17,577 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.74 [2019-03-29 02:14:17,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17" (5/5) ... 17.14/8.74 [2019-03-29 02:14:17,579 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.14/8.74 [2019-03-29 02:14:17,606 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.14/8.74 [2019-03-29 02:14:17,606 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.14/8.74 [2019-03-29 02:14:17,606 INFO L375 BuchiCegarLoop]: Hoare is true 17.14/8.74 [2019-03-29 02:14:17,606 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.14/8.74 [2019-03-29 02:14:17,606 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.14/8.74 [2019-03-29 02:14:17,606 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.14/8.74 [2019-03-29 02:14:17,607 INFO L379 BuchiCegarLoop]: Difference is false 17.14/8.74 [2019-03-29 02:14:17,607 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.14/8.74 [2019-03-29 02:14:17,607 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.14/8.74 [2019-03-29 02:14:17,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.14/8.74 [2019-03-29 02:14:17,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.14/8.74 [2019-03-29 02:14:17,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.74 [2019-03-29 02:14:17,630 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.74 [2019-03-29 02:14:17,637 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.74 [2019-03-29 02:14:17,637 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.74 [2019-03-29 02:14:17,637 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.14/8.74 [2019-03-29 02:14:17,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 17.14/8.74 [2019-03-29 02:14:17,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.14/8.74 [2019-03-29 02:14:17,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.74 [2019-03-29 02:14:17,638 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.74 [2019-03-29 02:14:17,639 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.74 [2019-03-29 02:14:17,639 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.74 [2019-03-29 02:14:17,644 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L15-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 7#L15-1true 17.14/8.74 [2019-03-29 02:14:17,645 INFO L796 eck$LassoCheckResult]: Loop: 7#L15-1true [52] L15-1-->L15: Formula: (< 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 3#L15true [54] L15-->L15-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_14 0) (> v_ULTIMATE.start_main_~x~0_15 35)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_15} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 7#L15-1true 17.14/8.74 [2019-03-29 02:14:17,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.74 [2019-03-29 02:14:17,651 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 17.14/8.74 [2019-03-29 02:14:17,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.74 [2019-03-29 02:14:17,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.74 [2019-03-29 02:14:17,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.74 [2019-03-29 02:14:17,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2627, now seen corresponding path program 1 times 17.14/8.74 [2019-03-29 02:14:17,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.74 [2019-03-29 02:14:17,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.74 [2019-03-29 02:14:17,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.74 [2019-03-29 02:14:17,734 INFO L82 PathProgramCache]: Analyzing trace with hash 67014, now seen corresponding path program 1 times 17.14/8.74 [2019-03-29 02:14:17,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.74 [2019-03-29 02:14:17,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.74 [2019-03-29 02:14:17,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.74 [2019-03-29 02:14:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.74 [2019-03-29 02:14:17,786 INFO L216 LassoAnalysis]: Preferences: 17.14/8.74 [2019-03-29 02:14:17,787 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.14/8.74 [2019-03-29 02:14:17,788 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.14/8.74 [2019-03-29 02:14:17,788 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.14/8.74 [2019-03-29 02:14:17,788 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.14/8.74 [2019-03-29 02:14:17,788 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:17,788 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.14/8.74 [2019-03-29 02:14:17,789 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.14/8.74 [2019-03-29 02:14:17,789 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.14/8.74 [2019-03-29 02:14:17,789 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.14/8.74 [2019-03-29 02:14:17,789 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.14/8.74 [2019-03-29 02:14:17,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.74 [2019-03-29 02:14:17,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.74 [2019-03-29 02:14:17,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.74 [2019-03-29 02:14:17,886 INFO L300 LassoAnalysis]: Preprocessing complete. 17.14/8.74 [2019-03-29 02:14:17,887 INFO L412 LassoAnalysis]: Checking for nontermination... 17.14/8.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.74 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.74 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:17,894 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.74 [2019-03-29 02:14:17,895 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.74 [2019-03-29 02:14:17,928 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.14/8.74 [2019-03-29 02:14:17,928 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: [] 17.14/8.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.74 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.74 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:17,936 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.74 [2019-03-29 02:14:17,936 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.74 [2019-03-29 02:14:17,964 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.14/8.74 [2019-03-29 02:14:17,964 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: [] 17.14/8.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.74 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.74 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:17,970 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.74 [2019-03-29 02:14:17,970 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.74 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.74 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.74 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:18,005 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.14/8.74 [2019-03-29 02:14:18,005 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.74 [2019-03-29 02:14:18,042 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.14/8.74 [2019-03-29 02:14:18,044 INFO L216 LassoAnalysis]: Preferences: 17.14/8.74 [2019-03-29 02:14:18,044 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.14/8.74 [2019-03-29 02:14:18,044 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.14/8.74 [2019-03-29 02:14:18,044 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.14/8.74 [2019-03-29 02:14:18,045 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.14/8.74 [2019-03-29 02:14:18,045 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.14/8.74 [2019-03-29 02:14:18,045 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.14/8.74 [2019-03-29 02:14:18,045 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.14/8.74 [2019-03-29 02:14:18,045 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.14/8.74 [2019-03-29 02:14:18,045 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.14/8.75 [2019-03-29 02:14:18,045 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.14/8.75 [2019-03-29 02:14:18,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,116 INFO L300 LassoAnalysis]: Preprocessing complete. 17.14/8.75 [2019-03-29 02:14:18,122 INFO L497 LassoAnalysis]: Using template 'affine'. 17.14/8.75 [2019-03-29 02:14:18,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.14/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.14/8.75 Number of strict supporting invariants: 0 17.14/8.75 Number of non-strict supporting invariants: 1 17.14/8.75 Consider only non-deceasing supporting invariants: true 17.14/8.75 Simplify termination arguments: true 17.14/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.14/8.75 [2019-03-29 02:14:18,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.14/8.75 [2019-03-29 02:14:18,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.14/8.75 [2019-03-29 02:14:18,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.14/8.75 [2019-03-29 02:14:18,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.14/8.75 [2019-03-29 02:14:18,127 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.14/8.75 [2019-03-29 02:14:18,130 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.14/8.75 [2019-03-29 02:14:18,130 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.14/8.75 [2019-03-29 02:14:18,141 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.14/8.75 [2019-03-29 02:14:18,146 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.14/8.75 [2019-03-29 02:14:18,146 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 17.14/8.75 [2019-03-29 02:14:18,149 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.14/8.75 [2019-03-29 02:14:18,149 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.14/8.75 [2019-03-29 02:14:18,150 INFO L518 LassoAnalysis]: Proved termination. 17.14/8.75 [2019-03-29 02:14:18,150 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.14/8.75 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 17.14/8.75 Supporting invariants [] 17.14/8.75 [2019-03-29 02:14:18,152 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.14/8.75 [2019-03-29 02:14:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,186 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:18,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,201 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:18,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.75 [2019-03-29 02:14:18,237 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.14/8.75 [2019-03-29 02:14:18,242 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 17.14/8.75 [2019-03-29 02:14:18,244 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 3 states. 17.14/8.75 [2019-03-29 02:14:18,365 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 3 states. Result 34 states and 68 transitions. Complement of second has 8 states. 17.14/8.75 [2019-03-29 02:14:18,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states 17.14/8.75 [2019-03-29 02:14:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.14/8.75 [2019-03-29 02:14:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. 17.14/8.75 [2019-03-29 02:14:18,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 1 letters. Loop has 2 letters. 17.14/8.75 [2019-03-29 02:14:18,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:18,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 3 letters. Loop has 2 letters. 17.14/8.75 [2019-03-29 02:14:18,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:18,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 1 letters. Loop has 4 letters. 17.14/8.75 [2019-03-29 02:14:18,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:18,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 68 transitions. 17.14/8.75 [2019-03-29 02:14:18,382 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 17.14/8.75 [2019-03-29 02:14:18,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 68 transitions. 17.14/8.75 [2019-03-29 02:14:18,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 17.14/8.75 [2019-03-29 02:14:18,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 17.14/8.75 [2019-03-29 02:14:18,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 68 transitions. 17.14/8.75 [2019-03-29 02:14:18,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.14/8.75 [2019-03-29 02:14:18,390 INFO L706 BuchiCegarLoop]: Abstraction has 34 states and 68 transitions. 17.14/8.75 [2019-03-29 02:14:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 68 transitions. 17.14/8.75 [2019-03-29 02:14:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. 17.14/8.75 [2019-03-29 02:14:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. 17.14/8.75 [2019-03-29 02:14:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 61 transitions. 17.14/8.75 [2019-03-29 02:14:18,424 INFO L729 BuchiCegarLoop]: Abstraction has 30 states and 61 transitions. 17.14/8.75 [2019-03-29 02:14:18,424 INFO L609 BuchiCegarLoop]: Abstraction has 30 states and 61 transitions. 17.14/8.75 [2019-03-29 02:14:18,424 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.14/8.75 [2019-03-29 02:14:18,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 61 transitions. 17.14/8.75 [2019-03-29 02:14:18,426 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 17.14/8.75 [2019-03-29 02:14:18,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.75 [2019-03-29 02:14:18,426 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.75 [2019-03-29 02:14:18,427 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.14/8.75 [2019-03-29 02:14:18,427 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 17.14/8.75 [2019-03-29 02:14:18,427 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L15-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 86#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 95#L15 17.14/8.75 [2019-03-29 02:14:18,428 INFO L796 eck$LassoCheckResult]: Loop: 95#L15 [35] L15-->L16: Formula: (and (<= v_ULTIMATE.start_main_~x~0_6 35) (<= 0 (+ v_ULTIMATE.start_main_~x~0_6 5))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 101#L16 [50] L16-->L19: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 107#L19 [51] L19-->L15-1: Formula: (and (>= 30 v_ULTIMATE.start_main_~x~0_13) (= v_ULTIMATE.start_main_~x~0_12 (+ v_ULTIMATE.start_main_~x~0_13 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 106#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 95#L15 17.14/8.75 [2019-03-29 02:14:18,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:18,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2161, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:18,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:18,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:18,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:18,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2015890, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:18,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:18,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:18,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:18,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1996821250, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:18,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:18,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:18,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.75 [2019-03-29 02:14:18,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.14/8.75 [2019-03-29 02:14:18,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 17.14/8.75 [2019-03-29 02:14:18,502 INFO L216 LassoAnalysis]: Preferences: 17.14/8.75 [2019-03-29 02:14:18,502 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.14/8.75 [2019-03-29 02:14:18,502 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.14/8.75 [2019-03-29 02:14:18,502 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.14/8.75 [2019-03-29 02:14:18,502 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.14/8.75 [2019-03-29 02:14:18,503 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,503 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.14/8.75 [2019-03-29 02:14:18,503 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.14/8.75 [2019-03-29 02:14:18,503 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.14/8.75 [2019-03-29 02:14:18,503 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.14/8.75 [2019-03-29 02:14:18,503 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.14/8.75 [2019-03-29 02:14:18,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,564 INFO L300 LassoAnalysis]: Preprocessing complete. 17.14/8.75 [2019-03-29 02:14:18,565 INFO L412 LassoAnalysis]: Checking for nontermination... 17.14/8.75 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.75 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.75 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,569 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.75 [2019-03-29 02:14:18,569 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.75 [2019-03-29 02:14:18,597 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.14/8.75 [2019-03-29 02:14:18,597 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: [] 17.14/8.75 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.75 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.75 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,603 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.75 [2019-03-29 02:14:18,603 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.75 [2019-03-29 02:14:18,630 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.14/8.75 [2019-03-29 02:14:18,631 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: [] 17.14/8.75 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.75 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.75 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,639 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.14/8.75 [2019-03-29 02:14:18,639 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.75 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.75 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.14/8.75 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.14/8.75 [2019-03-29 02:14:18,671 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.14/8.75 [2019-03-29 02:14:18,701 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.14/8.75 [2019-03-29 02:14:18,703 INFO L216 LassoAnalysis]: Preferences: 17.14/8.75 [2019-03-29 02:14:18,703 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.14/8.75 [2019-03-29 02:14:18,704 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.14/8.75 [2019-03-29 02:14:18,704 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.14/8.75 [2019-03-29 02:14:18,704 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.14/8.75 [2019-03-29 02:14:18,704 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.14/8.75 [2019-03-29 02:14:18,704 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.14/8.75 [2019-03-29 02:14:18,704 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.14/8.75 [2019-03-29 02:14:18,704 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.14/8.75 [2019-03-29 02:14:18,705 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.14/8.75 [2019-03-29 02:14:18,705 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.14/8.75 [2019-03-29 02:14:18,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.14/8.75 [2019-03-29 02:14:18,772 INFO L300 LassoAnalysis]: Preprocessing complete. 17.14/8.75 [2019-03-29 02:14:18,773 INFO L497 LassoAnalysis]: Using template 'affine'. 17.14/8.75 [2019-03-29 02:14:18,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.14/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.14/8.75 Number of strict supporting invariants: 0 17.14/8.75 Number of non-strict supporting invariants: 1 17.14/8.75 Consider only non-deceasing supporting invariants: true 17.14/8.75 Simplify termination arguments: true 17.14/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.14/8.75 [2019-03-29 02:14:18,774 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.14/8.75 [2019-03-29 02:14:18,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.14/8.75 [2019-03-29 02:14:18,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.14/8.75 [2019-03-29 02:14:18,775 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.14/8.75 [2019-03-29 02:14:18,779 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.14/8.75 [2019-03-29 02:14:18,779 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.14/8.75 [2019-03-29 02:14:18,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.14/8.75 [2019-03-29 02:14:18,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.14/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.14/8.75 Number of strict supporting invariants: 0 17.14/8.75 Number of non-strict supporting invariants: 1 17.14/8.75 Consider only non-deceasing supporting invariants: true 17.14/8.75 Simplify termination arguments: true 17.14/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.14/8.75 [2019-03-29 02:14:18,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.14/8.75 [2019-03-29 02:14:18,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.14/8.75 [2019-03-29 02:14:18,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.14/8.75 [2019-03-29 02:14:18,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.14/8.75 [2019-03-29 02:14:18,788 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.14/8.75 [2019-03-29 02:14:18,788 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.14/8.75 [2019-03-29 02:14:18,795 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.14/8.75 [2019-03-29 02:14:18,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.14/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.14/8.75 Number of strict supporting invariants: 0 17.14/8.75 Number of non-strict supporting invariants: 1 17.14/8.75 Consider only non-deceasing supporting invariants: true 17.14/8.75 Simplify termination arguments: true 17.14/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.14/8.75 [2019-03-29 02:14:18,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.14/8.75 [2019-03-29 02:14:18,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.14/8.75 [2019-03-29 02:14:18,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.14/8.75 [2019-03-29 02:14:18,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.14/8.75 [2019-03-29 02:14:18,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.14/8.75 [2019-03-29 02:14:18,798 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.14/8.75 [2019-03-29 02:14:18,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.14/8.75 [2019-03-29 02:14:18,802 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.14/8.75 [2019-03-29 02:14:18,806 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.14/8.75 [2019-03-29 02:14:18,806 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.14/8.75 [2019-03-29 02:14:18,807 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.14/8.75 [2019-03-29 02:14:18,807 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.14/8.75 [2019-03-29 02:14:18,807 INFO L518 LassoAnalysis]: Proved termination. 17.14/8.75 [2019-03-29 02:14:18,807 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.14/8.75 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 17.14/8.75 Supporting invariants [] 17.14/8.75 [2019-03-29 02:14:18,808 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.14/8.75 [2019-03-29 02:14:18,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,838 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:18,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:18,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.75 [2019-03-29 02:14:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:18,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:18,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:19,490 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_main_~x~0_23 Int)) (<= (+ (* 2 v_ULTIMATE.start_main_~x~0_23) 1) c_oldRank0)) is different from true 17.14/8.75 [2019-03-29 02:14:20,103 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 12 17.14/8.75 [2019-03-29 02:14:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:20,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 17.14/8.75 [2019-03-29 02:14:20,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.14/8.75 [2019-03-29 02:14:20,734 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 5 predicates after loop cannibalization 17.14/8.75 [2019-03-29 02:14:20,734 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates 17.14/8.75 [2019-03-29 02:14:20,734 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 30 states and 61 transitions. cyclomatic complexity: 35 Second operand 4 states. 17.14/8.75 [2019-03-29 02:14:20,819 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 30 states and 61 transitions. cyclomatic complexity: 35. Second operand 4 states. Result 88 states and 171 transitions. Complement of second has 24 states. 17.14/8.75 [2019-03-29 02:14:20,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 17.14/8.75 [2019-03-29 02:14:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.14/8.75 [2019-03-29 02:14:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. 17.14/8.75 [2019-03-29 02:14:20,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 4 letters. 17.14/8.75 [2019-03-29 02:14:20,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:20,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. 17.14/8.75 [2019-03-29 02:14:20,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:20,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 8 letters. 17.14/8.75 [2019-03-29 02:14:20,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.14/8.75 [2019-03-29 02:14:20,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 171 transitions. 17.14/8.75 [2019-03-29 02:14:20,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 17.14/8.75 [2019-03-29 02:14:20,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 31 states and 55 transitions. 17.14/8.75 [2019-03-29 02:14:20,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 17.14/8.75 [2019-03-29 02:14:20,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 17.14/8.75 [2019-03-29 02:14:20,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 55 transitions. 17.14/8.75 [2019-03-29 02:14:20,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.14/8.75 [2019-03-29 02:14:20,834 INFO L706 BuchiCegarLoop]: Abstraction has 31 states and 55 transitions. 17.14/8.75 [2019-03-29 02:14:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 55 transitions. 17.14/8.75 [2019-03-29 02:14:20,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. 17.14/8.75 [2019-03-29 02:14:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. 17.14/8.75 [2019-03-29 02:14:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,837 INFO L729 BuchiCegarLoop]: Abstraction has 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.14/8.75 [2019-03-29 02:14:20,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.14/8.75 [2019-03-29 02:14:20,842 INFO L87 Difference]: Start difference. First operand 24 states and 44 transitions. Second operand 3 states. 17.14/8.75 [2019-03-29 02:14:20,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.14/8.75 [2019-03-29 02:14:20,869 INFO L93 Difference]: Finished difference Result 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.14/8.75 [2019-03-29 02:14:20,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 17.14/8.75 [2019-03-29 02:14:20,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 17.14/8.75 [2019-03-29 02:14:20,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 17.14/8.75 [2019-03-29 02:14:20,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.14/8.75 [2019-03-29 02:14:20,874 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 46 transitions. 17.14/8.75 [2019-03-29 02:14:20,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. 17.14/8.75 [2019-03-29 02:14:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. 17.14/8.75 [2019-03-29 02:14:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,878 INFO L729 BuchiCegarLoop]: Abstraction has 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,878 INFO L609 BuchiCegarLoop]: Abstraction has 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,878 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.14/8.75 [2019-03-29 02:14:20,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 44 transitions. 17.14/8.75 [2019-03-29 02:14:20,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 17.14/8.75 [2019-03-29 02:14:20,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.75 [2019-03-29 02:14:20,879 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.75 [2019-03-29 02:14:20,880 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.14/8.75 [2019-03-29 02:14:20,880 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.75 [2019-03-29 02:14:20,880 INFO L794 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L15-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 338#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 329#L15 17.14/8.75 [2019-03-29 02:14:20,880 INFO L796 eck$LassoCheckResult]: Loop: 329#L15 [55] L15-->L15-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_14 0) (> 0 (+ v_ULTIMATE.start_main_~x~0_15 5))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_15} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 331#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 329#L15 17.14/8.75 [2019-03-29 02:14:20,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:20,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2161, now seen corresponding path program 2 times 17.14/8.75 [2019-03-29 02:14:20,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:20,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:20,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:20,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2719, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:20,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:20,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:20,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,888 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.75 [2019-03-29 02:14:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.75 [2019-03-29 02:14:20,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.14/8.75 [2019-03-29 02:14:20,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 17.14/8.75 [2019-03-29 02:14:20,902 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.14/8.75 [2019-03-29 02:14:20,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.14/8.75 [2019-03-29 02:14:20,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.14/8.75 [2019-03-29 02:14:20,902 INFO L87 Difference]: Start difference. First operand 24 states and 44 transitions. cyclomatic complexity: 23 Second operand 3 states. 17.14/8.75 [2019-03-29 02:14:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.14/8.75 [2019-03-29 02:14:20,925 INFO L93 Difference]: Finished difference Result 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.14/8.75 [2019-03-29 02:14:20,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 17.14/8.75 [2019-03-29 02:14:20,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 17.14/8.75 [2019-03-29 02:14:20,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 17.14/8.75 [2019-03-29 02:14:20,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.14/8.75 [2019-03-29 02:14:20,929 INFO L706 BuchiCegarLoop]: Abstraction has 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. 17.14/8.75 [2019-03-29 02:14:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. 17.14/8.75 [2019-03-29 02:14:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. 17.14/8.75 [2019-03-29 02:14:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 42 transitions. 17.14/8.75 [2019-03-29 02:14:20,932 INFO L729 BuchiCegarLoop]: Abstraction has 27 states and 42 transitions. 17.14/8.75 [2019-03-29 02:14:20,933 INFO L609 BuchiCegarLoop]: Abstraction has 27 states and 42 transitions. 17.14/8.75 [2019-03-29 02:14:20,933 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.14/8.75 [2019-03-29 02:14:20,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 42 transitions. 17.14/8.75 [2019-03-29 02:14:20,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 17.14/8.75 [2019-03-29 02:14:20,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.75 [2019-03-29 02:14:20,938 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.75 [2019-03-29 02:14:20,938 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.14/8.75 [2019-03-29 02:14:20,938 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.14/8.75 [2019-03-29 02:14:20,939 INFO L794 eck$LassoCheckResult]: Stem: 393#ULTIMATE.startENTRY [37] ULTIMATE.startENTRY-->L15-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 394#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 387#L15 17.14/8.75 [2019-03-29 02:14:20,939 INFO L796 eck$LassoCheckResult]: Loop: 387#L15 [35] L15-->L16: Formula: (and (<= v_ULTIMATE.start_main_~x~0_6 35) (<= 0 (+ v_ULTIMATE.start_main_~x~0_6 5))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 388#L16 [38] L16-->L15-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (- 5)) (< v_ULTIMATE.start_main_~x~0_8 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 395#L15-1 [53] L15-1-->L15: Formula: (> 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 387#L15 17.14/8.75 [2019-03-29 02:14:20,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:20,939 INFO L82 PathProgramCache]: Analyzing trace with hash 2161, now seen corresponding path program 3 times 17.14/8.75 [2019-03-29 02:14:20,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:20,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:20,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:20,944 INFO L82 PathProgramCache]: Analyzing trace with hash 64657, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:20,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:20,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:20,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.75 [2019-03-29 02:14:20,951 INFO L82 PathProgramCache]: Analyzing trace with hash 64413217, now seen corresponding path program 1 times 17.14/8.75 [2019-03-29 02:14:20,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.75 [2019-03-29 02:14:20,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.75 [2019-03-29 02:14:20,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.75 [2019-03-29 02:14:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.75 [2019-03-29 02:14:21,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:21 BasicIcfg 17.14/8.75 [2019-03-29 02:14:21,004 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.14/8.75 [2019-03-29 02:14:21,004 INFO L168 Benchmark]: Toolchain (without parser) took 4263.28 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 562.8 MB in the beginning and 436.6 MB in the end (delta: 126.2 MB). Peak memory consumption was 161.8 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,005 INFO L168 Benchmark]: CDTParser took 0.16 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. 17.14/8.75 [2019-03-29 02:14:21,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.05 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 562.8 MB in the beginning and 652.8 MB in the end (delta: -90.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.67 ms. Allocated memory is still 685.2 MB. Free memory was 652.8 MB in the beginning and 651.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,007 INFO L168 Benchmark]: Boogie Preprocessor took 24.02 ms. Allocated memory is still 685.2 MB. Free memory was 651.5 MB in the beginning and 650.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,008 INFO L168 Benchmark]: RCFGBuilder took 208.49 ms. Allocated memory is still 685.2 MB. Free memory was 650.1 MB in the beginning and 635.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,008 INFO L168 Benchmark]: BlockEncodingV2 took 89.43 ms. Allocated memory is still 685.2 MB. Free memory was 635.5 MB in the beginning and 630.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,009 INFO L168 Benchmark]: TraceAbstraction took 166.56 ms. Allocated memory is still 685.2 MB. Free memory was 630.1 MB in the beginning and 620.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,010 INFO L168 Benchmark]: BuchiAutomizer took 3433.66 ms. Allocated memory is still 685.2 MB. Free memory was 620.6 MB in the beginning and 436.6 MB in the end (delta: 184.0 MB). Peak memory consumption was 184.0 MB. Max. memory is 50.3 GB. 17.14/8.75 [2019-03-29 02:14:21,014 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.14/8.75 --- Results --- 17.14/8.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.14/8.75 - StatisticsResult: Initial Icfg 17.14/8.75 9 locations, 13 edges 17.14/8.75 - StatisticsResult: Encoded RCFG 17.14/8.75 5 locations, 10 edges 17.14/8.75 * Results from de.uni_freiburg.informatik.ultimate.core: 17.14/8.75 - StatisticsResult: Toolchain Benchmarks 17.14/8.75 Benchmark results are: 17.14/8.75 * CDTParser took 0.16 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. 17.14/8.75 * CACSL2BoogieTranslator took 297.05 ms. Allocated memory was 649.6 MB in the beginning and 685.2 MB in the end (delta: 35.7 MB). Free memory was 562.8 MB in the beginning and 652.8 MB in the end (delta: -90.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 50.3 GB. 17.14/8.75 * Boogie Procedure Inliner took 38.67 ms. Allocated memory is still 685.2 MB. Free memory was 652.8 MB in the beginning and 651.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.14/8.75 * Boogie Preprocessor took 24.02 ms. Allocated memory is still 685.2 MB. Free memory was 651.5 MB in the beginning and 650.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 17.14/8.75 * RCFGBuilder took 208.49 ms. Allocated memory is still 685.2 MB. Free memory was 650.1 MB in the beginning and 635.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 17.14/8.75 * BlockEncodingV2 took 89.43 ms. Allocated memory is still 685.2 MB. Free memory was 635.5 MB in the beginning and 630.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.14/8.75 * TraceAbstraction took 166.56 ms. Allocated memory is still 685.2 MB. Free memory was 630.1 MB in the beginning and 620.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 17.14/8.75 * BuchiAutomizer took 3433.66 ms. Allocated memory is still 685.2 MB. Free memory was 620.6 MB in the beginning and 436.6 MB in the end (delta: 184.0 MB). Peak memory consumption was 184.0 MB. Max. memory is 50.3 GB. 17.14/8.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.14/8.75 - AllSpecificationsHoldResult: All specifications hold 17.14/8.75 We were not able to verify any specifiation because the program does not contain any specification. 17.14/8.75 - InvariantResult [Line: 14]: Loop Invariant 17.14/8.75 Derived loop invariant: 1 17.14/8.75 - StatisticsResult: Ultimate Automizer benchmark data 17.14/8.75 CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 17.14/8.75 - StatisticsResult: Constructed decomposition of program 17.14/8.75 Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function x and consists of 5 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 27 locations. 17.14/8.75 - StatisticsResult: Timing statistics 17.14/8.75 BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.1s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 39 SDslu, 0 SDs, 0 SdLazy, 96 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax221 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf93 smp86 dnf100 smp100 tf116 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 17.14/8.75 - TerminationAnalysisResult: Nontermination possible 17.14/8.75 Buchi Automizer proved that your program is nonterminating for some inputs 17.14/8.75 - FixpointNonTerminationResult [Line: 15]: Nontermination argument in form of an infinite program execution. 17.14/8.75 Nontermination argument in form of an infinite execution 17.14/8.75 State at position 0 is 17.14/8.75 {} 17.14/8.75 State at position 1 is 17.14/8.75 {\result=0, x=-5} 17.14/8.75 - StatisticsResult: NonterminationArgumentStatistics 17.14/8.75 Fixpoint 17.14/8.75 - NonterminatingLassoResult [Line: 15]: Nonterminating execution 17.14/8.75 Found a nonterminating execution for the following lasso shaped sequence of statements. 17.14/8.75 Stem: 17.14/8.75 [L13] int x; 17.14/8.75 [L14] COND TRUE x!=0 17.14/8.75 Loop: 17.14/8.75 [L15] COND TRUE -5 <= x && x <= 35 17.14/8.75 [L16] COND TRUE x < 0 17.14/8.75 [L17] x = -5 17.14/8.75 [L14] COND TRUE x!=0 17.14/8.75 End of lasso representation. 17.14/8.75 RESULT: Ultimate proved your program to be incorrect! 17.14/8.75 !SESSION 2019-03-29 02:14:13.460 ----------------------------------------------- 17.14/8.75 eclipse.buildId=unknown 17.14/8.75 java.version=1.8.0_181 17.14/8.75 java.vendor=Oracle Corporation 17.14/8.75 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.14/8.75 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.14/8.75 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 17.14/8.75 17.14/8.75 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:14:21.248 17.14/8.75 !MESSAGE The workspace will exit with unsaved changes in this session. 17.14/8.75 Received shutdown request... 17.14/8.75 Ultimate: 17.14/8.75 GTK+ Version Check 17.14/8.75 EOF