15.21/6.60 YES 15.21/6.60 15.21/6.60 Ultimate: Cannot open display: 15.21/6.60 This is Ultimate 0.1.24-8dc7c08-m 15.21/6.60 [2019-03-28 12:02:45,892 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.21/6.60 [2019-03-28 12:02:45,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.21/6.60 [2019-03-28 12:02:45,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.21/6.60 [2019-03-28 12:02:45,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.21/6.60 [2019-03-28 12:02:45,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.21/6.60 [2019-03-28 12:02:45,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.21/6.60 [2019-03-28 12:02:45,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.21/6.60 [2019-03-28 12:02:45,912 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.21/6.60 [2019-03-28 12:02:45,913 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,913 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.21/6.60 [2019-03-28 12:02:45,914 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.21/6.60 [2019-03-28 12:02:45,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.21/6.60 [2019-03-28 12:02:45,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.21/6.60 [2019-03-28 12:02:45,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.21/6.60 [2019-03-28 12:02:45,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.21/6.60 [2019-03-28 12:02:45,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.21/6.60 [2019-03-28 12:02:45,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.21/6.60 [2019-03-28 12:02:45,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.21/6.60 [2019-03-28 12:02:45,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.21/6.60 [2019-03-28 12:02:45,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.21/6.60 [2019-03-28 12:02:45,927 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,927 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.21/6.60 [2019-03-28 12:02:45,928 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.21/6.60 [2019-03-28 12:02:45,929 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.21/6.60 [2019-03-28 12:02:45,930 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,930 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.21/6.60 [2019-03-28 12:02:45,930 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.21/6.60 [2019-03-28 12:02:45,931 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.21/6.60 [2019-03-28 12:02:45,932 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.21/6.60 [2019-03-28 12:02:45,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,933 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.21/6.60 [2019-03-28 12:02:45,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.21/6.60 [2019-03-28 12:02:45,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.21/6.60 [2019-03-28 12:02:45,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.21/6.60 [2019-03-28 12:02:45,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.21/6.60 [2019-03-28 12:02:45,936 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.21/6.60 [2019-03-28 12:02:45,950 INFO L110 SettingsManager]: Loading preferences was successful 15.21/6.60 [2019-03-28 12:02:45,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.21/6.60 [2019-03-28 12:02:45,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.21/6.60 [2019-03-28 12:02:45,952 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.21/6.60 [2019-03-28 12:02:45,952 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.21/6.60 [2019-03-28 12:02:45,952 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.21/6.60 [2019-03-28 12:02:45,953 INFO L133 SettingsManager]: * Use SBE=true 15.21/6.60 [2019-03-28 12:02:45,953 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.21/6.60 [2019-03-28 12:02:45,953 INFO L133 SettingsManager]: * Use old map elimination=false 15.21/6.60 [2019-03-28 12:02:45,953 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.21/6.60 [2019-03-28 12:02:45,953 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.21/6.60 [2019-03-28 12:02:45,954 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.21/6.60 [2019-03-28 12:02:45,954 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.21/6.60 [2019-03-28 12:02:45,954 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.21/6.60 [2019-03-28 12:02:45,954 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:45,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.21/6.60 [2019-03-28 12:02:45,954 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.21/6.60 [2019-03-28 12:02:45,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.21/6.60 [2019-03-28 12:02:45,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.21/6.60 [2019-03-28 12:02:45,955 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.21/6.60 [2019-03-28 12:02:45,955 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.21/6.60 [2019-03-28 12:02:45,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.21/6.60 [2019-03-28 12:02:45,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.21/6.60 [2019-03-28 12:02:45,956 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.21/6.60 [2019-03-28 12:02:45,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.21/6.60 [2019-03-28 12:02:45,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.21/6.60 [2019-03-28 12:02:45,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.21/6.60 [2019-03-28 12:02:45,956 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.21/6.60 [2019-03-28 12:02:45,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.21/6.60 [2019-03-28 12:02:45,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.21/6.60 [2019-03-28 12:02:45,995 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.21/6.60 [2019-03-28 12:02:45,999 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.21/6.60 [2019-03-28 12:02:46,000 INFO L271 PluginConnector]: Initializing CDTParser... 15.21/6.60 [2019-03-28 12:02:46,001 INFO L276 PluginConnector]: CDTParser initialized 15.21/6.60 [2019-03-28 12:02:46,001 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.21/6.60 [2019-03-28 12:02:46,067 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/792b67d7e53d45519a55a6b10e430f69/FLAG8e072f2dd 15.21/6.60 [2019-03-28 12:02:46,418 INFO L307 CDTParser]: Found 1 translation units. 15.21/6.60 [2019-03-28 12:02:46,419 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.21/6.60 [2019-03-28 12:02:46,425 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/792b67d7e53d45519a55a6b10e430f69/FLAG8e072f2dd 15.21/6.60 [2019-03-28 12:02:46,828 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/792b67d7e53d45519a55a6b10e430f69 15.21/6.60 [2019-03-28 12:02:46,840 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.21/6.60 [2019-03-28 12:02:46,841 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.21/6.60 [2019-03-28 12:02:46,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.21/6.60 [2019-03-28 12:02:46,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.21/6.60 [2019-03-28 12:02:46,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.21/6.60 [2019-03-28 12:02:46,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:02:46" (1/1) ... 15.21/6.60 [2019-03-28 12:02:46,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6d791e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:46, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:46,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:02:46" (1/1) ... 15.21/6.60 [2019-03-28 12:02:46,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.21/6.60 [2019-03-28 12:02:46,874 INFO L176 MainTranslator]: Built tables and reachable declarations 15.21/6.60 [2019-03-28 12:02:47,033 INFO L206 PostProcessor]: Analyzing one entry point: main 15.21/6.60 [2019-03-28 12:02:47,038 INFO L191 MainTranslator]: Completed pre-run 15.21/6.60 [2019-03-28 12:02:47,054 INFO L206 PostProcessor]: Analyzing one entry point: main 15.21/6.60 [2019-03-28 12:02:47,070 INFO L195 MainTranslator]: Completed translation 15.21/6.60 [2019-03-28 12:02:47,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47 WrapperNode 15.21/6.60 [2019-03-28 12:02:47,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.21/6.60 [2019-03-28 12:02:47,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.21/6.60 [2019-03-28 12:02:47,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.21/6.60 [2019-03-28 12:02:47,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.21/6.60 [2019-03-28 12:02:47,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.21/6.60 [2019-03-28 12:02:47,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.21/6.60 [2019-03-28 12:02:47,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.21/6.60 [2019-03-28 12:02:47,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.21/6.60 [2019-03-28 12:02:47,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.21/6.60 [2019-03-28 12:02:47,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.21/6.60 [2019-03-28 12:02:47,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.21/6.60 [2019-03-28 12:02:47,191 INFO L276 PluginConnector]: RCFGBuilder initialized 15.21/6.60 [2019-03-28 12:02:47,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (1/1) ... 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.21/6.60 [2019-03-28 12:02:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.21/6.60 [2019-03-28 12:02:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.21/6.60 [2019-03-28 12:02:47,407 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.21/6.60 [2019-03-28 12:02:47,407 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.21/6.60 [2019-03-28 12:02:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:47 BoogieIcfgContainer 15.21/6.60 [2019-03-28 12:02:47,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.21/6.60 [2019-03-28 12:02:47,410 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.21/6.60 [2019-03-28 12:02:47,410 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.21/6.60 [2019-03-28 12:02:47,412 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.21/6.60 [2019-03-28 12:02:47,413 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:47" (1/1) ... 15.21/6.60 [2019-03-28 12:02:47,429 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 11 edges 15.21/6.60 [2019-03-28 12:02:47,430 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.21/6.60 [2019-03-28 12:02:47,431 INFO L263 BlockEncoder]: Using Maximize final states 15.21/6.60 [2019-03-28 12:02:47,432 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.21/6.60 [2019-03-28 12:02:47,432 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.21/6.60 [2019-03-28 12:02:47,435 INFO L296 BlockEncoder]: Using Remove sink states 15.21/6.60 [2019-03-28 12:02:47,436 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.21/6.60 [2019-03-28 12:02:47,436 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.21/6.60 [2019-03-28 12:02:47,456 INFO L185 BlockEncoder]: Using Use SBE 15.21/6.60 [2019-03-28 12:02:47,477 INFO L200 BlockEncoder]: SBE split 3 edges 15.21/6.60 [2019-03-28 12:02:47,482 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.21/6.60 [2019-03-28 12:02:47,484 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.21/6.60 [2019-03-28 12:02:47,499 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 15.21/6.60 [2019-03-28 12:02:47,501 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.21/6.60 [2019-03-28 12:02:47,503 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.21/6.60 [2019-03-28 12:02:47,503 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.21/6.60 [2019-03-28 12:02:47,503 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.21/6.60 [2019-03-28 12:02:47,504 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.21/6.60 [2019-03-28 12:02:47,504 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 12 edges 15.21/6.60 [2019-03-28 12:02:47,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:47 BasicIcfg 15.21/6.60 [2019-03-28 12:02:47,505 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.21/6.60 [2019-03-28 12:02:47,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.21/6.60 [2019-03-28 12:02:47,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.21/6.60 [2019-03-28 12:02:47,509 INFO L276 PluginConnector]: TraceAbstraction initialized 15.21/6.60 [2019-03-28 12:02:47,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:02:46" (1/4) ... 15.21/6.60 [2019-03-28 12:02:47,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb3ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (2/4) ... 15.21/6.60 [2019-03-28 12:02:47,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb3ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:47" (3/4) ... 15.21/6.60 [2019-03-28 12:02:47,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb3ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:47" (4/4) ... 15.21/6.60 [2019-03-28 12:02:47,514 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.21/6.60 [2019-03-28 12:02:47,523 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.21/6.60 [2019-03-28 12:02:47,532 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.21/6.60 [2019-03-28 12:02:47,549 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.21/6.60 [2019-03-28 12:02:47,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.21/6.60 [2019-03-28 12:02:47,578 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.21/6.60 [2019-03-28 12:02:47,578 INFO L383 AbstractCegarLoop]: Hoare is true 15.21/6.60 [2019-03-28 12:02:47,579 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.21/6.60 [2019-03-28 12:02:47,579 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.21/6.60 [2019-03-28 12:02:47,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.21/6.60 [2019-03-28 12:02:47,579 INFO L387 AbstractCegarLoop]: Difference is false 15.21/6.60 [2019-03-28 12:02:47,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.21/6.60 [2019-03-28 12:02:47,580 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.21/6.60 [2019-03-28 12:02:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 15.21/6.60 [2019-03-28 12:02:47,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.21/6.60 [2019-03-28 12:02:47,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 15.21/6.60 [2019-03-28 12:02:47,652 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.21/6.60 [2019-03-28 12:02:47,652 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 14) no Hoare annotation was computed. 15.21/6.60 [2019-03-28 12:02:47,652 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 13 14) no Hoare annotation was computed. 15.21/6.60 [2019-03-28 12:02:47,653 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 16) the Hoare annotation is: true 15.21/6.60 [2019-03-28 12:02:47,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:47 BasicIcfg 15.21/6.60 [2019-03-28 12:02:47,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.21/6.60 [2019-03-28 12:02:47,662 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.21/6.60 [2019-03-28 12:02:47,662 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.21/6.60 [2019-03-28 12:02:47,665 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.21/6.60 [2019-03-28 12:02:47,666 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/6.60 [2019-03-28 12:02:47,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:02:46" (1/5) ... 15.21/6.60 [2019-03-28 12:02:47,667 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d7f5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,667 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/6.60 [2019-03-28 12:02:47,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:02:47" (2/5) ... 15.21/6.60 [2019-03-28 12:02:47,668 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d7f5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,668 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/6.60 [2019-03-28 12:02:47,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:02:47" (3/5) ... 15.21/6.60 [2019-03-28 12:02:47,668 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d7f5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,669 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/6.60 [2019-03-28 12:02:47,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:02:47" (4/5) ... 15.21/6.60 [2019-03-28 12:02:47,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d7f5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:47, skipping insertion in model container 15.21/6.60 [2019-03-28 12:02:47,669 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/6.60 [2019-03-28 12:02:47,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:02:47" (5/5) ... 15.21/6.60 [2019-03-28 12:02:47,671 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.21/6.60 [2019-03-28 12:02:47,696 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.21/6.60 [2019-03-28 12:02:47,697 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.21/6.60 [2019-03-28 12:02:47,697 INFO L375 BuchiCegarLoop]: Hoare is true 15.21/6.60 [2019-03-28 12:02:47,697 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.21/6.60 [2019-03-28 12:02:47,697 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.21/6.60 [2019-03-28 12:02:47,697 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.21/6.60 [2019-03-28 12:02:47,697 INFO L379 BuchiCegarLoop]: Difference is false 15.21/6.60 [2019-03-28 12:02:47,698 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.21/6.60 [2019-03-28 12:02:47,698 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.21/6.60 [2019-03-28 12:02:47,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.21/6.60 [2019-03-28 12:02:47,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.21/6.60 [2019-03-28 12:02:47,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/6.60 [2019-03-28 12:02:47,720 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/6.60 [2019-03-28 12:02:47,726 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/6.60 [2019-03-28 12:02:47,727 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/6.60 [2019-03-28 12:02:47,727 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.21/6.60 [2019-03-28 12:02:47,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 15.21/6.60 [2019-03-28 12:02:47,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.21/6.60 [2019-03-28 12:02:47,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/6.60 [2019-03-28 12:02:47,728 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/6.60 [2019-03-28 12:02:47,728 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/6.60 [2019-03-28 12:02:47,729 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/6.60 [2019-03-28 12:02:47,734 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_f_~count~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_f_~a_1 |v_ULTIMATE.start_f_#in~a_1|) (= |v_ULTIMATE.start_f_#in~a_1| v_ULTIMATE.start_main_~x~0_1)) InVars {} OutVars{ULTIMATE.start_f_#in~a=|v_ULTIMATE.start_f_#in~a_1|, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_1, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~count~1=v_ULTIMATE.start_main_~count~1_1, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|] AssignedVars[ULTIMATE.start_f_#in~a, ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_f_~tmp~0, ULTIMATE.start_f_~count~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~count~1, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~a, ULTIMATE.start_main_~x~0] 6#L11-2true 15.21/6.60 [2019-03-28 12:02:47,735 INFO L796 eck$LassoCheckResult]: Loop: 6#L11-2true [42] L11-2-->L13: Formula: (let ((.cse0 (mod v_ULTIMATE.start_f_~a_4 2))) (and (< 1 v_ULTIMATE.start_f_~a_4) (< v_ULTIMATE.start_f_~a_4 0) (= v_ULTIMATE.start_f_~tmp~0_3 (+ .cse0 (- 2))) (> .cse0 0))) InVars {ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_3, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} AuxVars[] AssignedVars[ULTIMATE.start_f_~tmp~0] 5#L13true [48] L13-->L13-2: Formula: (and (= (+ (div v_ULTIMATE.start_f_~a_6 2) 1) v_ULTIMATE.start_f_~a_5) (< v_ULTIMATE.start_f_~a_6 0) (> (mod v_ULTIMATE.start_f_~a_6 2) 0) (= v_ULTIMATE.start_f_~tmp~0_4 0)) InVars {ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_6} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_5} AuxVars[] AssignedVars[ULTIMATE.start_f_~a] 4#L13-2true [28] L13-2-->L11-2: Formula: (= v_ULTIMATE.start_f_~count~0_3 (+ v_ULTIMATE.start_f_~count~0_4 1)) InVars {ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~count~0, ULTIMATE.start_f_#t~post0] 6#L11-2true 15.21/6.60 [2019-03-28 12:02:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 15.21/6.60 [2019-03-28 12:02:47,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:47,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:47,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:47,812 INFO L82 PathProgramCache]: Analyzing trace with hash 71669, now seen corresponding path program 1 times 15.21/6.60 [2019-03-28 12:02:47,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:47,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:47,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/6.60 [2019-03-28 12:02:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.21/6.60 [2019-03-28 12:02:47,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.21/6.60 [2019-03-28 12:02:47,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.21/6.60 [2019-03-28 12:02:47,860 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.21/6.60 [2019-03-28 12:02:47,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. 15.21/6.60 [2019-03-28 12:02:47,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 15.21/6.60 [2019-03-28 12:02:47,877 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 2 states. 15.21/6.60 [2019-03-28 12:02:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.21/6.60 [2019-03-28 12:02:47,904 INFO L93 Difference]: Finished difference Result 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 15.21/6.60 [2019-03-28 12:02:47,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.21/6.60 [2019-03-28 12:02:47,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.21/6.60 [2019-03-28 12:02:47,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.21/6.60 [2019-03-28 12:02:47,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.21/6.60 [2019-03-28 12:02:47,917 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 15.21/6.60 [2019-03-28 12:02:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.21/6.60 [2019-03-28 12:02:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,948 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,948 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,948 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.21/6.60 [2019-03-28 12:02:47,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 9 transitions. 15.21/6.60 [2019-03-28 12:02:47,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.21/6.60 [2019-03-28 12:02:47,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/6.60 [2019-03-28 12:02:47,949 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/6.60 [2019-03-28 12:02:47,949 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/6.60 [2019-03-28 12:02:47,949 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/6.60 [2019-03-28 12:02:47,950 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_f_~count~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_f_~a_1 |v_ULTIMATE.start_f_#in~a_1|) (= |v_ULTIMATE.start_f_#in~a_1| v_ULTIMATE.start_main_~x~0_1)) InVars {} OutVars{ULTIMATE.start_f_#in~a=|v_ULTIMATE.start_f_#in~a_1|, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_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_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_1, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~count~1=v_ULTIMATE.start_main_~count~1_1, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|] AssignedVars[ULTIMATE.start_f_#in~a, ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_f_~tmp~0, ULTIMATE.start_f_~count~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~count~1, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~a, ULTIMATE.start_main_~x~0] 17#L11-2 15.21/6.60 [2019-03-28 12:02:47,950 INFO L796 eck$LassoCheckResult]: Loop: 17#L11-2 [43] L11-2-->L13: Formula: (let ((.cse0 (mod v_ULTIMATE.start_f_~a_4 2))) (and (< 1 v_ULTIMATE.start_f_~a_4) (= .cse0 v_ULTIMATE.start_f_~tmp~0_3) (= .cse0 0))) InVars {ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_3, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} AuxVars[] AssignedVars[ULTIMATE.start_f_~tmp~0] 19#L13 [48] L13-->L13-2: Formula: (and (= (+ (div v_ULTIMATE.start_f_~a_6 2) 1) v_ULTIMATE.start_f_~a_5) (< v_ULTIMATE.start_f_~a_6 0) (> (mod v_ULTIMATE.start_f_~a_6 2) 0) (= v_ULTIMATE.start_f_~tmp~0_4 0)) InVars {ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_6} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_5} AuxVars[] AssignedVars[ULTIMATE.start_f_~a] 18#L13-2 [28] L13-2-->L11-2: Formula: (= v_ULTIMATE.start_f_~count~0_3 (+ v_ULTIMATE.start_f_~count~0_4 1)) InVars {ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~count~0, ULTIMATE.start_f_#t~post0] 17#L11-2 15.21/6.60 [2019-03-28 12:02:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:47,951 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times 15.21/6.60 [2019-03-28 12:02:47,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:47,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:47,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:47,958 INFO L82 PathProgramCache]: Analyzing trace with hash 72630, now seen corresponding path program 1 times 15.21/6.60 [2019-03-28 12:02:47,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:47,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:47,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,960 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/6.60 [2019-03-28 12:02:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.21/6.60 [2019-03-28 12:02:47,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.21/6.60 [2019-03-28 12:02:47,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 15.21/6.60 [2019-03-28 12:02:47,980 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.21/6.60 [2019-03-28 12:02:47,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.21/6.60 [2019-03-28 12:02:47,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.21/6.60 [2019-03-28 12:02:47,981 INFO L87 Difference]: Start difference. First operand 4 states and 9 transitions. cyclomatic complexity: 6 Second operand 3 states. 15.21/6.60 [2019-03-28 12:02:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.21/6.60 [2019-03-28 12:02:48,014 INFO L93 Difference]: Finished difference Result 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.21/6.60 [2019-03-28 12:02:48,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.21/6.60 [2019-03-28 12:02:48,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 15.21/6.60 [2019-03-28 12:02:48,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.21/6.60 [2019-03-28 12:02:48,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.21/6.60 [2019-03-28 12:02:48,017 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 15.21/6.60 [2019-03-28 12:02:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.21/6.60 [2019-03-28 12:02:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,019 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,019 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,019 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.21/6.60 [2019-03-28 12:02:48,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 13 transitions. 15.21/6.60 [2019-03-28 12:02:48,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.21/6.60 [2019-03-28 12:02:48,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/6.60 [2019-03-28 12:02:48,020 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/6.60 [2019-03-28 12:02:48,021 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/6.60 [2019-03-28 12:02:48,021 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/6.60 [2019-03-28 12:02:48,021 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_f_~count~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_f_~a_1 |v_ULTIMATE.start_f_#in~a_1|) (= |v_ULTIMATE.start_f_#in~a_1| v_ULTIMATE.start_main_~x~0_1)) InVars {} OutVars{ULTIMATE.start_f_#in~a=|v_ULTIMATE.start_f_#in~a_1|, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_1, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~count~1=v_ULTIMATE.start_main_~count~1_1, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|] AssignedVars[ULTIMATE.start_f_#in~a, ULTIMATE.start_f_#res, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_f_~tmp~0, ULTIMATE.start_f_~count~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~count~1, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_~a, ULTIMATE.start_main_~x~0] 32#L11-2 15.21/6.60 [2019-03-28 12:02:48,022 INFO L796 eck$LassoCheckResult]: Loop: 32#L11-2 [43] L11-2-->L13: Formula: (let ((.cse0 (mod v_ULTIMATE.start_f_~a_4 2))) (and (< 1 v_ULTIMATE.start_f_~a_4) (= .cse0 v_ULTIMATE.start_f_~tmp~0_3) (= .cse0 0))) InVars {ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_3, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_4} AuxVars[] AssignedVars[ULTIMATE.start_f_~tmp~0] 34#L13 [49] L13-->L13-2: Formula: (and (= (div v_ULTIMATE.start_f_~a_6 2) v_ULTIMATE.start_f_~a_5) (= (mod v_ULTIMATE.start_f_~a_6 2) 0) (= v_ULTIMATE.start_f_~tmp~0_4 0)) InVars {ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_6} OutVars{ULTIMATE.start_f_~tmp~0=v_ULTIMATE.start_f_~tmp~0_4, ULTIMATE.start_f_~a=v_ULTIMATE.start_f_~a_5} AuxVars[] AssignedVars[ULTIMATE.start_f_~a] 33#L13-2 [28] L13-2-->L11-2: Formula: (= v_ULTIMATE.start_f_~count~0_3 (+ v_ULTIMATE.start_f_~count~0_4 1)) InVars {ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_4} OutVars{ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_2|, ULTIMATE.start_f_~count~0=v_ULTIMATE.start_f_~count~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~count~0, ULTIMATE.start_f_#t~post0] 32#L11-2 15.21/6.60 [2019-03-28 12:02:48,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:48,022 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 3 times 15.21/6.60 [2019-03-28 12:02:48,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:48,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:48,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:48,031 INFO L82 PathProgramCache]: Analyzing trace with hash 72661, now seen corresponding path program 1 times 15.21/6.60 [2019-03-28 12:02:48,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:48,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,032 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:48,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1770748, now seen corresponding path program 1 times 15.21/6.60 [2019-03-28 12:02:48,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/6.60 [2019-03-28 12:02:48,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/6.60 [2019-03-28 12:02:48,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/6.60 [2019-03-28 12:02:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/6.60 [2019-03-28 12:02:48,138 INFO L216 LassoAnalysis]: Preferences: 15.21/6.60 [2019-03-28 12:02:48,139 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.21/6.60 [2019-03-28 12:02:48,139 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.21/6.60 [2019-03-28 12:02:48,139 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.21/6.60 [2019-03-28 12:02:48,140 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.21/6.60 [2019-03-28 12:02:48,140 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,140 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.21/6.60 [2019-03-28 12:02:48,140 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.21/6.60 [2019-03-28 12:02:48,140 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.21/6.60 [2019-03-28 12:02:48,140 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.21/6.60 [2019-03-28 12:02:48,141 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.21/6.60 [2019-03-28 12:02:48,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,295 INFO L300 LassoAnalysis]: Preprocessing complete. 15.21/6.60 [2019-03-28 12:02:48,296 INFO L412 LassoAnalysis]: Checking for nontermination... 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,303 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/6.60 [2019-03-28 12:02:48,303 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/6.60 [2019-03-28 12:02:48,312 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.21/6.60 [2019-03-28 12:02:48,312 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0=0} Honda state: {ULTIMATE.start_f_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,358 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/6.60 [2019-03-28 12:02:48,358 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,391 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.21/6.60 [2019-03-28 12:02:48,391 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/6.60 [2019-03-28 12:02:48,414 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.21/6.60 [2019-03-28 12:02:48,415 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~count~0=0} Honda state: {ULTIMATE.start_f_~count~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~count~0=-2}, {ULTIMATE.start_f_~count~0=-2}, {ULTIMATE.start_f_~count~0=5}] Lambdas: [0, 1, 1] Nus: [1, 0] 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,443 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/6.60 [2019-03-28 12:02:48,443 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/6.60 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.21/6.60 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/6.60 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.21/6.60 [2019-03-28 12:02:48,478 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/6.60 [2019-03-28 12:02:48,575 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.21/6.60 [2019-03-28 12:02:48,577 INFO L216 LassoAnalysis]: Preferences: 15.21/6.60 [2019-03-28 12:02:48,577 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.21/6.60 [2019-03-28 12:02:48,578 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.21/6.60 [2019-03-28 12:02:48,578 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.21/6.60 [2019-03-28 12:02:48,578 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.21/6.60 [2019-03-28 12:02:48,578 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.21/6.60 [2019-03-28 12:02:48,578 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.21/6.60 [2019-03-28 12:02:48,578 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.21/6.60 [2019-03-28 12:02:48,579 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.21/6.60 [2019-03-28 12:02:48,579 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.21/6.60 [2019-03-28 12:02:48,579 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.21/6.60 [2019-03-28 12:02:48,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/6.60 [2019-03-28 12:02:48,695 INFO L300 LassoAnalysis]: Preprocessing complete. 15.21/6.60 [2019-03-28 12:02:48,701 INFO L497 LassoAnalysis]: Using template 'affine'. 15.21/6.60 [2019-03-28 12:02:48,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.21/6.60 Termination analysis: LINEAR_WITH_GUESSES 15.21/6.60 Number of strict supporting invariants: 0 15.21/6.60 Number of non-strict supporting invariants: 1 15.21/6.60 Consider only non-deceasing supporting invariants: true 15.21/6.60 Simplify termination arguments: true 15.21/6.60 Simplify supporting invariants: trueOverapproximate stem: false 15.21/6.60 [2019-03-28 12:02:48,704 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.21/6.60 [2019-03-28 12:02:48,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.21/6.60 [2019-03-28 12:02:48,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.21/6.60 [2019-03-28 12:02:48,705 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.21/6.60 [2019-03-28 12:02:48,705 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.21/6.60 [2019-03-28 12:02:48,707 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.21/6.60 [2019-03-28 12:02:48,707 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.21/6.60 [2019-03-28 12:02:48,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.21/6.60 [2019-03-28 12:02:48,710 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.21/6.60 Termination analysis: LINEAR_WITH_GUESSES 15.21/6.60 Number of strict supporting invariants: 0 15.21/6.60 Number of non-strict supporting invariants: 1 15.21/6.60 Consider only non-deceasing supporting invariants: true 15.21/6.60 Simplify termination arguments: true 15.21/6.60 Simplify supporting invariants: trueOverapproximate stem: false 15.21/6.60 [2019-03-28 12:02:48,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.21/6.60 [2019-03-28 12:02:48,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.21/6.60 [2019-03-28 12:02:48,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.21/6.60 [2019-03-28 12:02:48,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.21/6.60 [2019-03-28 12:02:48,712 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.21/6.60 [2019-03-28 12:02:48,713 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.21/6.60 [2019-03-28 12:02:48,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.21/6.60 [2019-03-28 12:02:48,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.21/6.60 [2019-03-28 12:02:48,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.21/6.60 Termination analysis: LINEAR_WITH_GUESSES 15.21/6.60 Number of strict supporting invariants: 0 15.21/6.60 Number of non-strict supporting invariants: 1 15.21/6.60 Consider only non-deceasing supporting invariants: true 15.21/6.60 Simplify termination arguments: true 15.21/6.60 Simplify supporting invariants: trueOverapproximate stem: false 15.21/6.60 [2019-03-28 12:02:48,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.21/6.60 [2019-03-28 12:02:48,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.21/6.60 [2019-03-28 12:02:48,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.21/6.60 [2019-03-28 12:02:48,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.21/6.60 [2019-03-28 12:02:48,728 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.21/6.60 [2019-03-28 12:02:48,729 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.21/6.60 [2019-03-28 12:02:48,729 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.21/6.60 [2019-03-28 12:02:48,741 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.21/6.60 [2019-03-28 12:02:48,748 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.21/6.60 [2019-03-28 12:02:48,748 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 15.21/6.60 [2019-03-28 12:02:48,751 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.21/6.60 [2019-03-28 12:02:48,751 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.21/6.60 [2019-03-28 12:02:48,751 INFO L518 LassoAnalysis]: Proved termination. 15.21/6.60 [2019-03-28 12:02:48,752 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.21/6.60 Ranking function f(ULTIMATE.start_f_~a) = 1*ULTIMATE.start_f_~a 15.21/6.60 Supporting invariants [] 15.21/6.60 [2019-03-28 12:02:48,753 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.21/6.60 [2019-03-28 12:02:48,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/6.60 [2019-03-28 12:02:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/6.60 [2019-03-28 12:02:48,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 15.21/6.60 [2019-03-28 12:02:48,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.21/6.60 [2019-03-28 12:02:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/6.60 [2019-03-28 12:02:48,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core 15.21/6.60 [2019-03-28 12:02:48,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.21/6.60 [2019-03-28 12:02:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.21/6.60 [2019-03-28 12:02:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/6.60 [2019-03-28 12:02:48,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core 15.21/6.60 [2019-03-28 12:02:48,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.21/6.60 [2019-03-28 12:02:48,868 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.21/6.60 [2019-03-28 12:02:48,871 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 3 loop predicates 15.21/6.60 [2019-03-28 12:02:48,872 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 13 transitions. cyclomatic complexity: 9 Second operand 4 states. 15.21/6.60 [2019-03-28 12:02:48,919 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 13 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 15 states and 32 transitions. Complement of second has 7 states. 15.21/6.60 [2019-03-28 12:02:48,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.21/6.60 [2019-03-28 12:02:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.21/6.60 [2019-03-28 12:02:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. 15.21/6.60 [2019-03-28 12:02:48,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 1 letters. Loop has 3 letters. 15.21/6.60 [2019-03-28 12:02:48,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/6.60 [2019-03-28 12:02:48,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 3 letters. 15.21/6.60 [2019-03-28 12:02:48,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/6.60 [2019-03-28 12:02:48,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 1 letters. Loop has 6 letters. 15.21/6.60 [2019-03-28 12:02:48,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/6.60 [2019-03-28 12:02:48,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 32 transitions. 15.21/6.60 [2019-03-28 12:02:48,932 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.21/6.60 [2019-03-28 12:02:48,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.21/6.60 [2019-03-28 12:02:48,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.21/6.60 [2019-03-28 12:02:48,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.21/6.60 [2019-03-28 12:02:48,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.21/6.60 [2019-03-28 12:02:48,933 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.21/6.60 [2019-03-28 12:02:48,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.21/6.60 [2019-03-28 12:02:48,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:02:48 BasicIcfg 15.21/6.60 [2019-03-28 12:02:48,942 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.21/6.60 [2019-03-28 12:02:48,942 INFO L168 Benchmark]: Toolchain (without parser) took 2101.87 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 564.6 MB in the beginning and 488.8 MB in the end (delta: 75.8 MB). Peak memory consumption was 96.3 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,944 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.67 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.24 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 554.7 MB in the beginning and 636.8 MB in the end (delta: -82.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,946 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 670.0 MB. Free memory was 636.8 MB in the beginning and 634.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,947 INFO L168 Benchmark]: RCFGBuilder took 218.08 ms. Allocated memory is still 670.0 MB. Free memory was 634.0 MB in the beginning and 620.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,947 INFO L168 Benchmark]: BlockEncodingV2 took 95.11 ms. Allocated memory is still 670.0 MB. Free memory was 620.5 MB in the beginning and 612.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,948 INFO L168 Benchmark]: TraceAbstraction took 155.52 ms. Allocated memory is still 670.0 MB. Free memory was 612.9 MB in the beginning and 604.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,948 INFO L168 Benchmark]: BuchiAutomizer took 1279.68 ms. Allocated memory is still 670.0 MB. Free memory was 604.3 MB in the beginning and 488.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 50.3 GB. 15.21/6.60 [2019-03-28 12:02:48,952 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.21/6.60 --- Results --- 15.21/6.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.21/6.60 - StatisticsResult: Initial Icfg 15.21/6.60 9 locations, 11 edges 15.21/6.60 - StatisticsResult: Encoded RCFG 15.21/6.60 4 locations, 12 edges 15.21/6.60 * Results from de.uni_freiburg.informatik.ultimate.core: 15.21/6.60 - StatisticsResult: Toolchain Benchmarks 15.21/6.60 Benchmark results are: 15.21/6.60 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.21/6.60 * CACSL2BoogieTranslator took 228.67 ms. Allocated memory is still 649.6 MB. Free memory was 564.6 MB in the beginning and 554.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.21/6.60 * Boogie Procedure Inliner took 98.24 ms. Allocated memory was 649.6 MB in the beginning and 670.0 MB in the end (delta: 20.4 MB). Free memory was 554.7 MB in the beginning and 636.8 MB in the end (delta: -82.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 50.3 GB. 15.21/6.60 * Boogie Preprocessor took 20.87 ms. Allocated memory is still 670.0 MB. Free memory was 636.8 MB in the beginning and 634.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.21/6.60 * RCFGBuilder took 218.08 ms. Allocated memory is still 670.0 MB. Free memory was 634.0 MB in the beginning and 620.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.21/6.60 * BlockEncodingV2 took 95.11 ms. Allocated memory is still 670.0 MB. Free memory was 620.5 MB in the beginning and 612.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. 15.21/6.60 * TraceAbstraction took 155.52 ms. Allocated memory is still 670.0 MB. Free memory was 612.9 MB in the beginning and 604.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.21/6.60 * BuchiAutomizer took 1279.68 ms. Allocated memory is still 670.0 MB. Free memory was 604.3 MB in the beginning and 488.8 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 50.3 GB. 15.21/6.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.21/6.60 - AllSpecificationsHoldResult: All specifications hold 15.21/6.60 We were not able to verify any specifiation because the program does not contain any specification. 15.21/6.60 - InvariantResult [Line: 11]: Loop Invariant 15.21/6.60 Derived loop invariant: 1 15.21/6.60 - StatisticsResult: Ultimate Automizer benchmark data 15.21/6.60 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.21/6.60 - StatisticsResult: Constructed decomposition of program 15.21/6.60 Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function a and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.21/6.60 - StatisticsResult: Timing statistics 15.21/6.60 BüchiAutomizer plugin needed 1.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax100 hnf100 lsp80 ukn100 mio100 lsp100 div465 bol100 ite100 ukn100 eq130 hnf42 smp66 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 15.21/6.60 - TerminationAnalysisResult: Termination proven 15.21/6.60 Buchi Automizer proved that your program is terminating 15.21/6.60 RESULT: Ultimate proved your program to be correct! 15.21/6.60 !SESSION 2019-03-28 12:02:43.526 ----------------------------------------------- 15.21/6.60 eclipse.buildId=unknown 15.21/6.60 java.version=1.8.0_181 15.21/6.60 java.vendor=Oracle Corporation 15.21/6.60 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.21/6.60 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.21/6.60 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.21/6.60 15.21/6.60 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:02:49.189 15.21/6.60 !MESSAGE The workspace will exit with unsaved changes in this session. 15.21/6.60 Received shutdown request... 15.21/6.60 Ultimate: 15.21/6.60 GTK+ Version Check 15.21/6.60 EOF