14.92/7.13 YES 14.92/7.13 14.92/7.13 Ultimate: Cannot open display: 14.92/7.13 This is Ultimate 0.1.24-8dc7c08-m 14.92/7.13 [2019-03-28 12:12:00,887 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.92/7.13 [2019-03-28 12:12:00,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.92/7.13 [2019-03-28 12:12:00,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.92/7.13 [2019-03-28 12:12:00,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.92/7.13 [2019-03-28 12:12:00,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.92/7.13 [2019-03-28 12:12:00,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.92/7.13 [2019-03-28 12:12:00,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.92/7.13 [2019-03-28 12:12:00,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.92/7.13 [2019-03-28 12:12:00,908 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,908 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.92/7.13 [2019-03-28 12:12:00,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.92/7.13 [2019-03-28 12:12:00,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.92/7.13 [2019-03-28 12:12:00,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.92/7.13 [2019-03-28 12:12:00,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.92/7.13 [2019-03-28 12:12:00,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.92/7.13 [2019-03-28 12:12:00,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.92/7.13 [2019-03-28 12:12:00,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.92/7.13 [2019-03-28 12:12:00,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.92/7.13 [2019-03-28 12:12:00,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.92/7.13 [2019-03-28 12:12:00,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.92/7.13 [2019-03-28 12:12:00,922 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,922 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,922 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.92/7.13 [2019-03-28 12:12:00,923 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.92/7.13 [2019-03-28 12:12:00,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.92/7.13 [2019-03-28 12:12:00,924 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.92/7.13 [2019-03-28 12:12:00,925 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.92/7.13 [2019-03-28 12:12:00,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.92/7.13 [2019-03-28 12:12:00,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.92/7.13 [2019-03-28 12:12:00,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.92/7.13 [2019-03-28 12:12:00,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.92/7.13 [2019-03-28 12:12:00,929 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.92/7.13 [2019-03-28 12:12:00,930 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.92/7.13 [2019-03-28 12:12:00,930 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.92/7.13 [2019-03-28 12:12:00,931 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.92/7.13 [2019-03-28 12:12:00,945 INFO L110 SettingsManager]: Loading preferences was successful 14.92/7.13 [2019-03-28 12:12:00,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.92/7.13 [2019-03-28 12:12:00,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.92/7.13 [2019-03-28 12:12:00,947 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.92/7.13 [2019-03-28 12:12:00,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.92/7.13 [2019-03-28 12:12:00,947 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.92/7.13 [2019-03-28 12:12:00,947 INFO L133 SettingsManager]: * Use SBE=true 14.92/7.13 [2019-03-28 12:12:00,947 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Use old map elimination=false 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.92/7.13 [2019-03-28 12:12:00,948 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.92/7.13 [2019-03-28 12:12:00,949 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.13 [2019-03-28 12:12:00,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.92/7.13 [2019-03-28 12:12:00,949 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.92/7.13 [2019-03-28 12:12:00,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.92/7.13 [2019-03-28 12:12:00,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.92/7.13 [2019-03-28 12:12:00,949 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.92/7.13 [2019-03-28 12:12:00,950 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.92/7.13 [2019-03-28 12:12:00,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.92/7.13 [2019-03-28 12:12:00,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.92/7.13 [2019-03-28 12:12:00,950 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.92/7.13 [2019-03-28 12:12:00,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.92/7.13 [2019-03-28 12:12:00,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.92/7.13 [2019-03-28 12:12:00,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.92/7.13 [2019-03-28 12:12:00,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.92/7.13 [2019-03-28 12:12:00,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.92/7.13 [2019-03-28 12:12:00,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.92/7.13 [2019-03-28 12:12:00,989 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.92/7.13 [2019-03-28 12:12:00,993 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.92/7.13 [2019-03-28 12:12:00,994 INFO L271 PluginConnector]: Initializing CDTParser... 14.92/7.13 [2019-03-28 12:12:00,995 INFO L276 PluginConnector]: CDTParser initialized 14.92/7.13 [2019-03-28 12:12:00,996 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.92/7.13 [2019-03-28 12:12:01,083 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3905035f850b46129fec800e83e60f7f/FLAGf0bb80a89 14.92/7.13 [2019-03-28 12:12:01,421 INFO L307 CDTParser]: Found 1 translation units. 14.92/7.13 [2019-03-28 12:12:01,422 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.92/7.13 [2019-03-28 12:12:01,429 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3905035f850b46129fec800e83e60f7f/FLAGf0bb80a89 14.92/7.13 [2019-03-28 12:12:01,838 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3905035f850b46129fec800e83e60f7f 14.92/7.13 [2019-03-28 12:12:01,849 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.92/7.13 [2019-03-28 12:12:01,851 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.92/7.13 [2019-03-28 12:12:01,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.92/7.13 [2019-03-28 12:12:01,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.92/7.13 [2019-03-28 12:12:01,855 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.92/7.13 [2019-03-28 12:12:01,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:01" (1/1) ... 14.92/7.13 [2019-03-28 12:12:01,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca7067e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:01, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:01,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:01" (1/1) ... 14.92/7.13 [2019-03-28 12:12:01,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.92/7.13 [2019-03-28 12:12:01,884 INFO L176 MainTranslator]: Built tables and reachable declarations 14.92/7.13 [2019-03-28 12:12:02,044 INFO L206 PostProcessor]: Analyzing one entry point: main 14.92/7.13 [2019-03-28 12:12:02,048 INFO L191 MainTranslator]: Completed pre-run 14.92/7.13 [2019-03-28 12:12:02,064 INFO L206 PostProcessor]: Analyzing one entry point: main 14.92/7.13 [2019-03-28 12:12:02,141 INFO L195 MainTranslator]: Completed translation 14.92/7.13 [2019-03-28 12:12:02,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02 WrapperNode 14.92/7.13 [2019-03-28 12:12:02,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.92/7.13 [2019-03-28 12:12:02,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.92/7.13 [2019-03-28 12:12:02,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.92/7.13 [2019-03-28 12:12:02,143 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.92/7.13 [2019-03-28 12:12:02,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.92/7.13 [2019-03-28 12:12:02,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.92/7.13 [2019-03-28 12:12:02,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.92/7.13 [2019-03-28 12:12:02,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.92/7.13 [2019-03-28 12:12:02,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.92/7.13 [2019-03-28 12:12:02,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.92/7.13 [2019-03-28 12:12:02,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.92/7.13 [2019-03-28 12:12:02,205 INFO L276 PluginConnector]: RCFGBuilder initialized 14.92/7.13 [2019-03-28 12:12:02,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (1/1) ... 14.92/7.13 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.13 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.92/7.13 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.92/7.13 [2019-03-28 12:12:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.92/7.13 [2019-03-28 12:12:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.92/7.13 [2019-03-28 12:12:02,428 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.92/7.13 [2019-03-28 12:12:02,428 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. 14.92/7.13 [2019-03-28 12:12:02,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:02 BoogieIcfgContainer 14.92/7.13 [2019-03-28 12:12:02,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.92/7.13 [2019-03-28 12:12:02,430 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.92/7.13 [2019-03-28 12:12:02,430 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.92/7.13 [2019-03-28 12:12:02,433 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.92/7.13 [2019-03-28 12:12:02,433 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:02" (1/1) ... 14.92/7.13 [2019-03-28 12:12:02,449 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 16 edges 14.92/7.13 [2019-03-28 12:12:02,454 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.92/7.13 [2019-03-28 12:12:02,455 INFO L263 BlockEncoder]: Using Maximize final states 14.92/7.13 [2019-03-28 12:12:02,456 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.92/7.13 [2019-03-28 12:12:02,456 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.92/7.13 [2019-03-28 12:12:02,458 INFO L296 BlockEncoder]: Using Remove sink states 14.92/7.13 [2019-03-28 12:12:02,459 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.92/7.13 [2019-03-28 12:12:02,460 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.92/7.13 [2019-03-28 12:12:02,479 INFO L185 BlockEncoder]: Using Use SBE 14.92/7.13 [2019-03-28 12:12:02,494 INFO L200 BlockEncoder]: SBE split 1 edges 14.92/7.13 [2019-03-28 12:12:02,499 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 14.92/7.13 [2019-03-28 12:12:02,501 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.92/7.13 [2019-03-28 12:12:02,513 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.92/7.13 [2019-03-28 12:12:02,515 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.92/7.13 [2019-03-28 12:12:02,516 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.92/7.13 [2019-03-28 12:12:02,516 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.92/7.13 [2019-03-28 12:12:02,517 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.92/7.13 [2019-03-28 12:12:02,517 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.92/7.13 [2019-03-28 12:12:02,517 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 14.92/7.13 [2019-03-28 12:12:02,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:02 BasicIcfg 14.92/7.13 [2019-03-28 12:12:02,518 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.92/7.13 [2019-03-28 12:12:02,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.92/7.13 [2019-03-28 12:12:02,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.92/7.13 [2019-03-28 12:12:02,523 INFO L276 PluginConnector]: TraceAbstraction initialized 14.92/7.13 [2019-03-28 12:12:02,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:12:01" (1/4) ... 14.92/7.13 [2019-03-28 12:12:02,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596403f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (2/4) ... 14.92/7.13 [2019-03-28 12:12:02,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596403f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:02" (3/4) ... 14.92/7.13 [2019-03-28 12:12:02,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596403f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:02" (4/4) ... 14.92/7.13 [2019-03-28 12:12:02,527 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.92/7.13 [2019-03-28 12:12:02,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.92/7.13 [2019-03-28 12:12:02,546 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.92/7.13 [2019-03-28 12:12:02,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.92/7.13 [2019-03-28 12:12:02,593 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.92/7.13 [2019-03-28 12:12:02,594 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.92/7.13 [2019-03-28 12:12:02,594 INFO L383 AbstractCegarLoop]: Hoare is true 14.92/7.13 [2019-03-28 12:12:02,594 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.92/7.13 [2019-03-28 12:12:02,594 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.92/7.13 [2019-03-28 12:12:02,594 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.92/7.13 [2019-03-28 12:12:02,595 INFO L387 AbstractCegarLoop]: Difference is false 14.92/7.13 [2019-03-28 12:12:02,595 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.92/7.13 [2019-03-28 12:12:02,595 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.92/7.13 [2019-03-28 12:12:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 14.92/7.13 [2019-03-28 12:12:02,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.92/7.13 [2019-03-28 12:12:02,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 14.92/7.13 [2019-03-28 12:12:02,675 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.92/7.13 [2019-03-28 12:12:02,675 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: true 14.92/7.13 [2019-03-28 12:12:02,675 INFO L451 ceAbstractionStarter]: At program point L11-3(lines 5 15) the Hoare annotation is: true 14.92/7.13 [2019-03-28 12:12:02,675 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 14) no Hoare annotation was computed. 14.92/7.13 [2019-03-28 12:12:02,676 INFO L451 ceAbstractionStarter]: At program point L7-2(lines 7 9) the Hoare annotation is: true 14.92/7.13 [2019-03-28 12:12:02,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:02 BasicIcfg 14.92/7.13 [2019-03-28 12:12:02,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.92/7.13 [2019-03-28 12:12:02,685 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.92/7.13 [2019-03-28 12:12:02,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.92/7.13 [2019-03-28 12:12:02,688 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.92/7.13 [2019-03-28 12:12:02,689 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.13 [2019-03-28 12:12:02,689 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:12:01" (1/5) ... 14.92/7.13 [2019-03-28 12:12:02,690 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218c956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,690 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.13 [2019-03-28 12:12:02,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:02" (2/5) ... 14.92/7.13 [2019-03-28 12:12:02,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218c956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,691 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.13 [2019-03-28 12:12:02,691 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:02" (3/5) ... 14.92/7.13 [2019-03-28 12:12:02,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218c956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,691 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.13 [2019-03-28 12:12:02,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:02" (4/5) ... 14.92/7.13 [2019-03-28 12:12:02,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218c956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:02, skipping insertion in model container 14.92/7.13 [2019-03-28 12:12:02,692 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.92/7.13 [2019-03-28 12:12:02,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:02" (5/5) ... 14.92/7.13 [2019-03-28 12:12:02,694 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.92/7.13 [2019-03-28 12:12:02,721 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.92/7.13 [2019-03-28 12:12:02,722 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.92/7.13 [2019-03-28 12:12:02,722 INFO L375 BuchiCegarLoop]: Hoare is true 14.92/7.13 [2019-03-28 12:12:02,722 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.92/7.13 [2019-03-28 12:12:02,722 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.92/7.13 [2019-03-28 12:12:02,722 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.92/7.13 [2019-03-28 12:12:02,722 INFO L379 BuchiCegarLoop]: Difference is false 14.92/7.13 [2019-03-28 12:12:02,723 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.92/7.13 [2019-03-28 12:12:02,723 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.92/7.13 [2019-03-28 12:12:02,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 14.92/7.13 [2019-03-28 12:12:02,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.92/7.13 [2019-03-28 12:12:02,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.13 [2019-03-28 12:12:02,744 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.13 [2019-03-28 12:12:02,749 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.13 [2019-03-28 12:12:02,749 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.92/7.13 [2019-03-28 12:12:02,749 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.92/7.13 [2019-03-28 12:12:02,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 14.92/7.13 [2019-03-28 12:12:02,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 14.92/7.13 [2019-03-28 12:12:02,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.13 [2019-03-28 12:12:02,750 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.13 [2019-03-28 12:12:02,751 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.13 [2019-03-28 12:12:02,751 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.92/7.13 [2019-03-28 12:12:02,756 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [52] ULTIMATE.startENTRY-->L11-3: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 6#L11-3true 14.92/7.13 [2019-03-28 12:12:02,756 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-3true [58] L11-3-->L6: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_4) (< 0 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 5#L6true [54] L6-->L7-2: Formula: (< v_ULTIMATE.start_test_fun_~y_9 v_ULTIMATE.start_test_fun_~x_6) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 3#L7-2true [67] L7-2-->L11-3: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 6#L11-3true 14.92/7.13 [2019-03-28 12:12:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:02,763 INFO L82 PathProgramCache]: Analyzing trace with hash 83, now seen corresponding path program 1 times 14.92/7.13 [2019-03-28 12:12:02,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:02,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:02,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:02,828 INFO L82 PathProgramCache]: Analyzing trace with hash 87270, now seen corresponding path program 1 times 14.92/7.13 [2019-03-28 12:12:02,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:02,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.13 [2019-03-28 12:12:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.13 [2019-03-28 12:12:02,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.92/7.13 [2019-03-28 12:12:02,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.92/7.13 [2019-03-28 12:12:02,887 INFO L811 eck$LassoCheckResult]: loop already infeasible 14.92/7.13 [2019-03-28 12:12:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.92/7.13 [2019-03-28 12:12:02,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.92/7.13 [2019-03-28 12:12:02,906 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. 14.92/7.13 [2019-03-28 12:12:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.92/7.13 [2019-03-28 12:12:02,933 INFO L93 Difference]: Finished difference Result 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.92/7.13 [2019-03-28 12:12:02,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 14.92/7.13 [2019-03-28 12:12:02,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 14.92/7.13 [2019-03-28 12:12:02,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 14.92/7.13 [2019-03-28 12:12:02,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.13 [2019-03-28 12:12:02,944 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 14.92/7.13 [2019-03-28 12:12:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 14.92/7.13 [2019-03-28 12:12:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 14.92/7.13 [2019-03-28 12:12:02,974 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.92/7.13 [2019-03-28 12:12:02,974 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.92/7.13 [2019-03-28 12:12:02,974 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.92/7.13 [2019-03-28 12:12:02,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 14.92/7.13 [2019-03-28 12:12:02,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 14.92/7.13 [2019-03-28 12:12:02,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.13 [2019-03-28 12:12:02,975 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.13 [2019-03-28 12:12:02,975 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.13 [2019-03-28 12:12:02,975 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.92/7.13 [2019-03-28 12:12:02,976 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRY [52] ULTIMATE.startENTRY-->L11-3: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 24#L11-3 14.92/7.13 [2019-03-28 12:12:02,976 INFO L796 eck$LassoCheckResult]: Loop: 24#L11-3 [58] L11-3-->L6: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_4) (< 0 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 25#L6 [66] L6-->L11-2: Formula: (>= v_ULTIMATE.start_test_fun_~y_10 v_ULTIMATE.start_test_fun_~x_10) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_10, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_10, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} AuxVars[] AssignedVars[] 26#L11-2 [68] L11-2-->L11-3: Formula: (>= 0 v_ULTIMATE.start_test_fun_~y_3) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3} AuxVars[] AssignedVars[] 24#L11-3 14.92/7.13 [2019-03-28 12:12:02,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:02,976 INFO L82 PathProgramCache]: Analyzing trace with hash 83, now seen corresponding path program 2 times 14.92/7.13 [2019-03-28 12:12:02,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:02,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:02,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:02,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:02,984 INFO L82 PathProgramCache]: Analyzing trace with hash 87643, now seen corresponding path program 1 times 14.92/7.13 [2019-03-28 12:12:02,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:02,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,985 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.13 [2019-03-28 12:12:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.13 [2019-03-28 12:12:02,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 14.92/7.13 [2019-03-28 12:12:02,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 14.92/7.13 [2019-03-28 12:12:02,996 INFO L811 eck$LassoCheckResult]: loop already infeasible 14.92/7.13 [2019-03-28 12:12:02,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 14.92/7.13 [2019-03-28 12:12:02,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 14.92/7.13 [2019-03-28 12:12:02,997 INFO L87 Difference]: Start difference. First operand 6 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. 14.92/7.13 [2019-03-28 12:12:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.92/7.13 [2019-03-28 12:12:03,016 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 14.92/7.13 [2019-03-28 12:12:03,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 14.92/7.13 [2019-03-28 12:12:03,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 14.92/7.13 [2019-03-28 12:12:03,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 14.92/7.13 [2019-03-28 12:12:03,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.13 [2019-03-28 12:12:03,020 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 14.92/7.13 [2019-03-28 12:12:03,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 14.92/7.13 [2019-03-28 12:12:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 14.92/7.13 [2019-03-28 12:12:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:03,022 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:03,022 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:03,022 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.92/7.13 [2019-03-28 12:12:03,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 14.92/7.13 [2019-03-28 12:12:03,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 14.92/7.13 [2019-03-28 12:12:03,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.13 [2019-03-28 12:12:03,023 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.13 [2019-03-28 12:12:03,023 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.13 [2019-03-28 12:12:03,023 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 14.92/7.13 [2019-03-28 12:12:03,024 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY [52] ULTIMATE.startENTRY-->L11-3: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 44#L11-3 14.92/7.13 [2019-03-28 12:12:03,024 INFO L796 eck$LassoCheckResult]: Loop: 44#L11-3 [58] L11-3-->L6: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_4) (< 0 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 45#L6 [54] L6-->L7-2: Formula: (< v_ULTIMATE.start_test_fun_~y_9 v_ULTIMATE.start_test_fun_~x_6) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 41#L7-2 [51] L7-2-->L7-2: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_9) (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 (- 1)))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 42#L7-2 [67] L7-2-->L11-3: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 44#L11-3 14.92/7.13 [2019-03-28 12:12:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:03,024 INFO L82 PathProgramCache]: Analyzing trace with hash 83, now seen corresponding path program 3 times 14.92/7.13 [2019-03-28 12:12:03,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:03,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:03,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.13 [2019-03-28 12:12:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.13 [2019-03-28 12:12:03,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2704941, now seen corresponding path program 1 times 14.92/7.13 [2019-03-28 12:12:03,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.13 [2019-03-28 12:12:03,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.13 [2019-03-28 12:12:03,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,033 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.13 [2019-03-28 12:12:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.14 [2019-03-28 12:12:03,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 14.92/7.14 [2019-03-28 12:12:03,064 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 14.92/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.14 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 14.92/7.14 Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 14.92/7.14 [2019-03-28 12:12:03,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:03,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.92/7.14 [2019-03-28 12:12:03,134 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 14.92/7.14 [2019-03-28 12:12:03,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 14.92/7.14 [2019-03-28 12:12:03,134 INFO L811 eck$LassoCheckResult]: loop already infeasible 14.92/7.14 [2019-03-28 12:12:03,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 14.92/7.14 [2019-03-28 12:12:03,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 14.92/7.14 [2019-03-28 12:12:03,135 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. cyclomatic complexity: 4 Second operand 5 states. 14.92/7.14 [2019-03-28 12:12:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.92/7.14 [2019-03-28 12:12:03,193 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 14.92/7.14 [2019-03-28 12:12:03,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 14.92/7.14 [2019-03-28 12:12:03,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 14.92/7.14 [2019-03-28 12:12:03,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 14.92/7.14 [2019-03-28 12:12:03,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.14 [2019-03-28 12:12:03,196 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. 14.92/7.14 [2019-03-28 12:12:03,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. 14.92/7.14 [2019-03-28 12:12:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 14.92/7.14 [2019-03-28 12:12:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 14.92/7.14 [2019-03-28 12:12:03,197 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.92/7.14 [2019-03-28 12:12:03,198 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 14.92/7.14 [2019-03-28 12:12:03,198 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 14.92/7.14 [2019-03-28 12:12:03,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 14.92/7.14 [2019-03-28 12:12:03,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 14.92/7.14 [2019-03-28 12:12:03,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.14 [2019-03-28 12:12:03,199 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.14 [2019-03-28 12:12:03,199 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.14 [2019-03-28 12:12:03,199 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 14.92/7.14 [2019-03-28 12:12:03,199 INFO L794 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY [52] ULTIMATE.startENTRY-->L11-3: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 82#L11-3 14.92/7.14 [2019-03-28 12:12:03,200 INFO L796 eck$LassoCheckResult]: Loop: 82#L11-3 [58] L11-3-->L6: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_4) (< 0 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 83#L6 [66] L6-->L11-2: Formula: (>= v_ULTIMATE.start_test_fun_~y_10 v_ULTIMATE.start_test_fun_~x_10) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_10, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_10, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_10} AuxVars[] AssignedVars[] 84#L11-2 [63] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_4 (+ v_ULTIMATE.start_test_fun_~y_5 (- 1))) (< 0 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 85#L11-2 [68] L11-2-->L11-3: Formula: (>= 0 v_ULTIMATE.start_test_fun_~y_3) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_3} AuxVars[] AssignedVars[] 82#L11-3 14.92/7.14 [2019-03-28 12:12:03,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,200 INFO L82 PathProgramCache]: Analyzing trace with hash 83, now seen corresponding path program 4 times 14.92/7.14 [2019-03-28 12:12:03,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2716846, now seen corresponding path program 1 times 14.92/7.14 [2019-03-28 12:12:03,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,208 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,215 INFO L82 PathProgramCache]: Analyzing trace with hash 78445568, now seen corresponding path program 1 times 14.92/7.14 [2019-03-28 12:12:03,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,290 INFO L216 LassoAnalysis]: Preferences: 14.92/7.14 [2019-03-28 12:12:03,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.14 [2019-03-28 12:12:03,292 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.14 [2019-03-28 12:12:03,292 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.14 [2019-03-28 12:12:03,292 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.92/7.14 [2019-03-28 12:12:03,292 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,292 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.14 [2019-03-28 12:12:03,292 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.14 [2019-03-28 12:12:03,293 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 14.92/7.14 [2019-03-28 12:12:03,293 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.14 [2019-03-28 12:12:03,293 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.14 [2019-03-28 12:12:03,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.14 [2019-03-28 12:12:03,377 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.14 [2019-03-28 12:12:03,377 INFO L412 LassoAnalysis]: Checking for nontermination... 14.92/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.14 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.14 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,406 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.14 [2019-03-28 12:12:03,406 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.14 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.14 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,441 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.92/7.14 [2019-03-28 12:12:03,441 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.14 [2019-03-28 12:12:03,557 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.92/7.14 [2019-03-28 12:12:03,560 INFO L216 LassoAnalysis]: Preferences: 14.92/7.14 [2019-03-28 12:12:03,560 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.14 [2019-03-28 12:12:03,560 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.14 [2019-03-28 12:12:03,560 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.14 [2019-03-28 12:12:03,561 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.92/7.14 [2019-03-28 12:12:03,561 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,561 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.14 [2019-03-28 12:12:03,561 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.14 [2019-03-28 12:12:03,561 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 14.92/7.14 [2019-03-28 12:12:03,561 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.14 [2019-03-28 12:12:03,561 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.14 [2019-03-28 12:12:03,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.14 [2019-03-28 12:12:03,600 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.14 [2019-03-28 12:12:03,606 INFO L497 LassoAnalysis]: Using template 'affine'. 14.92/7.14 [2019-03-28 12:12:03,608 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.14 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.14 Number of strict supporting invariants: 0 14.92/7.14 Number of non-strict supporting invariants: 1 14.92/7.14 Consider only non-deceasing supporting invariants: true 14.92/7.14 Simplify termination arguments: true 14.92/7.14 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.14 [2019-03-28 12:12:03,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.14 [2019-03-28 12:12:03,610 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.92/7.14 [2019-03-28 12:12:03,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.14 [2019-03-28 12:12:03,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.14 [2019-03-28 12:12:03,611 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.14 [2019-03-28 12:12:03,615 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.92/7.14 [2019-03-28 12:12:03,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.92/7.14 [2019-03-28 12:12:03,624 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.92/7.14 [2019-03-28 12:12:03,632 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.92/7.14 [2019-03-28 12:12:03,632 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 14.92/7.14 [2019-03-28 12:12:03,634 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.92/7.14 [2019-03-28 12:12:03,635 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.92/7.14 [2019-03-28 12:12:03,635 INFO L518 LassoAnalysis]: Proved termination. 14.92/7.14 [2019-03-28 12:12:03,636 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.92/7.14 Ranking function f(ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~y 14.92/7.14 Supporting invariants [] 14.92/7.14 [2019-03-28 12:12:03,637 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.92/7.14 [2019-03-28 12:12:03,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:03,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:03,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 14.92/7.14 [2019-03-28 12:12:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:03,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:03,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:03,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:03,721 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 5 predicates after loop cannibalization 14.92/7.14 [2019-03-28 12:12:03,724 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 14.92/7.14 [2019-03-28 12:12:03,725 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 3 states. 14.92/7.14 [2019-03-28 12:12:03,777 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 25 states and 34 transitions. Complement of second has 7 states. 14.92/7.14 [2019-03-28 12:12:03,778 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 14.92/7.14 [2019-03-28 12:12:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.92/7.14 [2019-03-28 12:12:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. 14.92/7.14 [2019-03-28 12:12:03,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 4 letters. 14.92/7.14 [2019-03-28 12:12:03,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:03,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 4 letters. 14.92/7.14 [2019-03-28 12:12:03,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:03,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 1 letters. Loop has 8 letters. 14.92/7.14 [2019-03-28 12:12:03,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:03,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 34 transitions. 14.92/7.14 [2019-03-28 12:12:03,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 14.92/7.14 [2019-03-28 12:12:03,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 8 states and 9 transitions. 14.92/7.14 [2019-03-28 12:12:03,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 14.92/7.14 [2019-03-28 12:12:03,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 14.92/7.14 [2019-03-28 12:12:03,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. 14.92/7.14 [2019-03-28 12:12:03,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.14 [2019-03-28 12:12:03,792 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. 14.92/7.14 [2019-03-28 12:12:03,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. 14.92/7.14 [2019-03-28 12:12:03,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. 14.92/7.14 [2019-03-28 12:12:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 14.92/7.14 [2019-03-28 12:12:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. 14.92/7.14 [2019-03-28 12:12:03,793 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 14.92/7.14 [2019-03-28 12:12:03,793 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. 14.92/7.14 [2019-03-28 12:12:03,794 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 14.92/7.14 [2019-03-28 12:12:03,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. 14.92/7.14 [2019-03-28 12:12:03,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 14.92/7.14 [2019-03-28 12:12:03,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.92/7.14 [2019-03-28 12:12:03,794 INFO L119 BuchiIsEmpty]: Starting construction of run 14.92/7.14 [2019-03-28 12:12:03,795 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.92/7.14 [2019-03-28 12:12:03,795 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1] 14.92/7.14 [2019-03-28 12:12:03,795 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [52] ULTIMATE.startENTRY-->L11-3: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 175#L11-3 14.92/7.14 [2019-03-28 12:12:03,795 INFO L796 eck$LassoCheckResult]: Loop: 175#L11-3 [58] L11-3-->L6: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_4) (< 0 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 176#L6 [54] L6-->L7-2: Formula: (< v_ULTIMATE.start_test_fun_~y_9 v_ULTIMATE.start_test_fun_~x_6) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_9, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 172#L7-2 [51] L7-2-->L7-2: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_9) (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 (- 1)))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 173#L7-2 [51] L7-2-->L7-2: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_9) (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 (- 1)))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 177#L7-2 [67] L7-2-->L11-3: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 175#L11-3 14.92/7.14 [2019-03-28 12:12:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash 83, now seen corresponding path program 5 times 14.92/7.14 [2019-03-28 12:12:03,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,802 INFO L82 PathProgramCache]: Analyzing trace with hash 83852742, now seen corresponding path program 2 times 14.92/7.14 [2019-03-28 12:12:03,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,803 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:03,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1863524172, now seen corresponding path program 1 times 14.92/7.14 [2019-03-28 12:12:03,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.92/7.14 [2019-03-28 12:12:03,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.92/7.14 [2019-03-28 12:12:03,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,812 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.92/7.14 [2019-03-28 12:12:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.92/7.14 [2019-03-28 12:12:03,858 INFO L216 LassoAnalysis]: Preferences: 14.92/7.14 [2019-03-28 12:12:03,858 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.14 [2019-03-28 12:12:03,858 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.14 [2019-03-28 12:12:03,858 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.14 [2019-03-28 12:12:03,858 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.92/7.14 [2019-03-28 12:12:03,859 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,859 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.14 [2019-03-28 12:12:03,859 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.14 [2019-03-28 12:12:03,859 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 14.92/7.14 [2019-03-28 12:12:03,859 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.14 [2019-03-28 12:12:03,859 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.14 [2019-03-28 12:12:03,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.14 [2019-03-28 12:12:03,908 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.14 [2019-03-28 12:12:03,908 INFO L412 LassoAnalysis]: Checking for nontermination... 14.92/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.14 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.14 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,912 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.92/7.14 [2019-03-28 12:12:03,913 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.92/7.14 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.92/7.14 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:03,950 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.92/7.14 [2019-03-28 12:12:03,951 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.92/7.14 [2019-03-28 12:12:04,064 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.92/7.14 [2019-03-28 12:12:04,067 INFO L216 LassoAnalysis]: Preferences: 14.92/7.14 [2019-03-28 12:12:04,067 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.92/7.14 [2019-03-28 12:12:04,067 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.92/7.14 [2019-03-28 12:12:04,068 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.92/7.14 [2019-03-28 12:12:04,068 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.92/7.14 [2019-03-28 12:12:04,068 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.92/7.14 [2019-03-28 12:12:04,068 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.92/7.14 [2019-03-28 12:12:04,068 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.92/7.14 [2019-03-28 12:12:04,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 14.92/7.14 [2019-03-28 12:12:04,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.92/7.14 [2019-03-28 12:12:04,069 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.92/7.14 [2019-03-28 12:12:04,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.92/7.14 [2019-03-28 12:12:04,110 INFO L300 LassoAnalysis]: Preprocessing complete. 14.92/7.14 [2019-03-28 12:12:04,110 INFO L497 LassoAnalysis]: Using template 'affine'. 14.92/7.14 [2019-03-28 12:12:04,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.92/7.14 Termination analysis: LINEAR_WITH_GUESSES 14.92/7.14 Number of strict supporting invariants: 0 14.92/7.14 Number of non-strict supporting invariants: 1 14.92/7.14 Consider only non-deceasing supporting invariants: true 14.92/7.14 Simplify termination arguments: true 14.92/7.14 Simplify supporting invariants: trueOverapproximate stem: false 14.92/7.14 [2019-03-28 12:12:04,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.92/7.14 [2019-03-28 12:12:04,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.92/7.14 [2019-03-28 12:12:04,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.92/7.14 [2019-03-28 12:12:04,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.92/7.14 [2019-03-28 12:12:04,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.92/7.14 [2019-03-28 12:12:04,113 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.92/7.14 [2019-03-28 12:12:04,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.92/7.14 [2019-03-28 12:12:04,119 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.92/7.14 [2019-03-28 12:12:04,124 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.92/7.14 [2019-03-28 12:12:04,125 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.92/7.14 [2019-03-28 12:12:04,125 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.92/7.14 [2019-03-28 12:12:04,125 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.92/7.14 [2019-03-28 12:12:04,125 INFO L518 LassoAnalysis]: Proved termination. 14.92/7.14 [2019-03-28 12:12:04,125 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.92/7.14 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 14.92/7.14 Supporting invariants [] 14.92/7.14 [2019-03-28 12:12:04,126 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.92/7.14 [2019-03-28 12:12:04,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.92/7.14 [2019-03-28 12:12:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:04,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:04,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:04,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:04,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. 14.92/7.14 [2019-03-28 12:12:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:04,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:04,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:04,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:04,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.92/7.14 [2019-03-28 12:12:04,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 14.92/7.14 [2019-03-28 12:12:04,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.92/7.14 [2019-03-28 12:12:04,260 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 6 predicates after loop cannibalization 14.92/7.14 [2019-03-28 12:12:04,261 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates 14.92/7.14 [2019-03-28 12:12:04,261 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. 14.92/7.14 [2019-03-28 12:12:04,350 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 15 states and 17 transitions. Complement of second has 10 states. 14.92/7.14 [2019-03-28 12:12:04,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 3 non-accepting loop states 2 accepting loop states 14.92/7.14 [2019-03-28 12:12:04,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.92/7.14 [2019-03-28 12:12:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. 14.92/7.14 [2019-03-28 12:12:04,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 5 letters. 14.92/7.14 [2019-03-28 12:12:04,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:04,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 6 letters. Loop has 5 letters. 14.92/7.14 [2019-03-28 12:12:04,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:04,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 1 letters. Loop has 10 letters. 14.92/7.14 [2019-03-28 12:12:04,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.92/7.14 [2019-03-28 12:12:04,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. 14.92/7.14 [2019-03-28 12:12:04,355 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.92/7.14 [2019-03-28 12:12:04,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.92/7.14 [2019-03-28 12:12:04,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.92/7.14 [2019-03-28 12:12:04,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,356 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ 14.92/7.14 [2019-03-28 12:12:04,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.92/7.14 [2019-03-28 12:12:04,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.92/7.14 [2019-03-28 12:12:04,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.92/7.14 [2019-03-28 12:12:04,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:04 BasicIcfg 14.92/7.14 [2019-03-28 12:12:04,363 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.92/7.14 [2019-03-28 12:12:04,363 INFO L168 Benchmark]: Toolchain (without parser) took 2514.00 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 563.9 MB in the beginning and 448.0 MB in the end (delta: 115.9 MB). Peak memory consumption was 150.0 MB. Max. memory is 50.3 GB. 14.92/7.14 [2019-03-28 12:12:04,365 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. 14.92/7.14 [2019-03-28 12:12:04,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.94 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 563.9 MB in the beginning and 651.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 14.92/7.14 [2019-03-28 12:12:04,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.64 ms. Allocated memory is still 683.7 MB. Free memory was 651.3 MB in the beginning and 649.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.92/7.14 [2019-03-28 12:12:04,367 INFO L168 Benchmark]: Boogie Preprocessor took 21.71 ms. Allocated memory is still 683.7 MB. Free memory was 649.9 MB in the beginning and 646.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.92/7.14 [2019-03-28 12:12:04,368 INFO L168 Benchmark]: RCFGBuilder took 224.49 ms. Allocated memory is still 683.7 MB. Free memory was 646.8 MB in the beginning and 632.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 14.92/7.14 [2019-03-28 12:12:04,368 INFO L168 Benchmark]: BlockEncodingV2 took 88.35 ms. Allocated memory is still 683.7 MB. Free memory was 632.4 MB in the beginning and 626.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.00/7.14 [2019-03-28 12:12:04,369 INFO L168 Benchmark]: TraceAbstraction took 165.34 ms. Allocated memory is still 683.7 MB. Free memory was 626.0 MB in the beginning and 616.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.00/7.14 [2019-03-28 12:12:04,369 INFO L168 Benchmark]: BuchiAutomizer took 1678.05 ms. Allocated memory is still 683.7 MB. Free memory was 616.5 MB in the beginning and 448.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 50.3 GB. 15.00/7.14 [2019-03-28 12:12:04,374 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.00/7.14 --- Results --- 15.00/7.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.00/7.14 - StatisticsResult: Initial Icfg 15.00/7.14 10 locations, 16 edges 15.00/7.14 - StatisticsResult: Encoded RCFG 15.00/7.14 5 locations, 8 edges 15.00/7.14 * Results from de.uni_freiburg.informatik.ultimate.core: 15.00/7.14 - StatisticsResult: Toolchain Benchmarks 15.00/7.14 Benchmark results are: 15.00/7.14 * 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. 15.00/7.14 * CACSL2BoogieTranslator took 290.94 ms. Allocated memory was 649.6 MB in the beginning and 683.7 MB in the end (delta: 34.1 MB). Free memory was 563.9 MB in the beginning and 651.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 15.00/7.14 * Boogie Procedure Inliner took 39.64 ms. Allocated memory is still 683.7 MB. Free memory was 651.3 MB in the beginning and 649.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.00/7.14 * Boogie Preprocessor took 21.71 ms. Allocated memory is still 683.7 MB. Free memory was 649.9 MB in the beginning and 646.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.00/7.14 * RCFGBuilder took 224.49 ms. Allocated memory is still 683.7 MB. Free memory was 646.8 MB in the beginning and 632.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 15.00/7.14 * BlockEncodingV2 took 88.35 ms. Allocated memory is still 683.7 MB. Free memory was 632.4 MB in the beginning and 626.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.00/7.14 * TraceAbstraction took 165.34 ms. Allocated memory is still 683.7 MB. Free memory was 626.0 MB in the beginning and 616.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.00/7.14 * BuchiAutomizer took 1678.05 ms. Allocated memory is still 683.7 MB. Free memory was 616.5 MB in the beginning and 448.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 50.3 GB. 15.00/7.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.00/7.14 - AllSpecificationsHoldResult: All specifications hold 15.00/7.14 We were not able to verify any specifiation because the program does not contain any specification. 15.00/7.14 - InvariantResult [Line: 7]: Loop Invariant 15.00/7.14 Derived loop invariant: 1 15.00/7.14 - InvariantResult [Line: 5]: Loop Invariant 15.00/7.14 Derived loop invariant: 1 15.00/7.14 - InvariantResult [Line: 11]: Loop Invariant 15.00/7.14 Derived loop invariant: 1 15.00/7.14 - StatisticsResult: Ultimate Automizer benchmark data 15.00/7.14 CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.00/7.14 - StatisticsResult: Constructed decomposition of program 15.00/7.14 Your program was decomposed into 5 terminating modules (3 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function y and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 7 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. 15.00/7.14 - StatisticsResult: Timing statistics 15.00/7.14 BüchiAutomizer plugin needed 1.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 1.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 18 SDtfs, 42 SDslu, 5 SDs, 0 SdLazy, 80 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp76 dnf100 smp100 tf112 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 15.00/7.14 - TerminationAnalysisResult: Termination proven 15.00/7.14 Buchi Automizer proved that your program is terminating 15.00/7.14 RESULT: Ultimate proved your program to be correct! 15.00/7.14 !SESSION 2019-03-28 12:11:58.541 ----------------------------------------------- 15.00/7.14 eclipse.buildId=unknown 15.00/7.14 java.version=1.8.0_181 15.00/7.14 java.vendor=Oracle Corporation 15.00/7.14 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.00/7.14 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.00/7.14 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.00/7.14 15.00/7.14 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:12:04.607 15.00/7.14 !MESSAGE The workspace will exit with unsaved changes in this session. 15.00/7.14 Received shutdown request... 15.00/7.14 Ultimate: 15.00/7.14 GTK+ Version Check 15.00/7.14 EOF