14.39/7.21 YES 14.39/7.21 14.39/7.21 Ultimate: Cannot open display: 14.39/7.21 This is Ultimate 0.1.24-8dc7c08-m 14.39/7.21 [2019-03-28 12:07:30,960 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.39/7.21 [2019-03-28 12:07:30,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.39/7.21 [2019-03-28 12:07:30,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:30,974 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.39/7.21 [2019-03-28 12:07:30,975 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.39/7.21 [2019-03-28 12:07:30,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.39/7.21 [2019-03-28 12:07:30,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.39/7.21 [2019-03-28 12:07:30,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.39/7.21 [2019-03-28 12:07:30,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.39/7.21 [2019-03-28 12:07:30,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:30,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.39/7.21 [2019-03-28 12:07:30,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.39/7.21 [2019-03-28 12:07:30,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.39/7.21 [2019-03-28 12:07:30,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.39/7.21 [2019-03-28 12:07:30,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.39/7.21 [2019-03-28 12:07:30,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.39/7.21 [2019-03-28 12:07:30,987 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.39/7.21 [2019-03-28 12:07:30,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.39/7.21 [2019-03-28 12:07:30,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.39/7.21 [2019-03-28 12:07:30,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.39/7.21 [2019-03-28 12:07:30,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.39/7.21 [2019-03-28 12:07:30,994 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:30,994 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:30,995 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.39/7.21 [2019-03-28 12:07:30,995 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.39/7.21 [2019-03-28 12:07:30,996 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.39/7.21 [2019-03-28 12:07:30,997 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:30,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.39/7.21 [2019-03-28 12:07:30,998 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.39/7.21 [2019-03-28 12:07:30,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.39/7.21 [2019-03-28 12:07:30,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.39/7.21 [2019-03-28 12:07:31,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:31,000 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.39/7.21 [2019-03-28 12:07:31,001 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:31,001 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.39/7.21 [2019-03-28 12:07:31,001 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.39/7.21 [2019-03-28 12:07:31,002 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.39/7.21 [2019-03-28 12:07:31,003 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.39/7.21 [2019-03-28 12:07:31,003 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.39/7.21 [2019-03-28 12:07:31,017 INFO L110 SettingsManager]: Loading preferences was successful 14.39/7.21 [2019-03-28 12:07:31,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.39/7.21 [2019-03-28 12:07:31,019 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.39/7.21 [2019-03-28 12:07:31,019 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.39/7.21 [2019-03-28 12:07:31,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.39/7.21 [2019-03-28 12:07:31,019 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.39/7.21 [2019-03-28 12:07:31,019 INFO L133 SettingsManager]: * Use SBE=true 14.39/7.21 [2019-03-28 12:07:31,020 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.39/7.21 [2019-03-28 12:07:31,020 INFO L133 SettingsManager]: * Use old map elimination=false 14.39/7.21 [2019-03-28 12:07:31,020 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.39/7.21 [2019-03-28 12:07:31,020 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.39/7.21 [2019-03-28 12:07:31,020 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.39/7.21 [2019-03-28 12:07:31,020 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.39/7.21 [2019-03-28 12:07:31,021 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.39/7.21 [2019-03-28 12:07:31,021 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:31,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.39/7.21 [2019-03-28 12:07:31,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.39/7.21 [2019-03-28 12:07:31,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.39/7.21 [2019-03-28 12:07:31,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.39/7.21 [2019-03-28 12:07:31,022 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.39/7.21 [2019-03-28 12:07:31,022 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.39/7.21 [2019-03-28 12:07:31,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.39/7.21 [2019-03-28 12:07:31,022 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.39/7.21 [2019-03-28 12:07:31,022 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.39/7.21 [2019-03-28 12:07:31,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.39/7.21 [2019-03-28 12:07:31,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.39/7.21 [2019-03-28 12:07:31,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.39/7.21 [2019-03-28 12:07:31,023 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.39/7.21 [2019-03-28 12:07:31,023 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.39/7.21 [2019-03-28 12:07:31,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.39/7.21 [2019-03-28 12:07:31,063 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.39/7.21 [2019-03-28 12:07:31,066 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.39/7.21 [2019-03-28 12:07:31,068 INFO L271 PluginConnector]: Initializing CDTParser... 14.39/7.21 [2019-03-28 12:07:31,068 INFO L276 PluginConnector]: CDTParser initialized 14.39/7.21 [2019-03-28 12:07:31,069 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.39/7.21 [2019-03-28 12:07:31,168 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d6faf058c1af4e6cbccf43f15ddac9ac/FLAG48b29e0b1 14.39/7.21 [2019-03-28 12:07:31,506 INFO L307 CDTParser]: Found 1 translation units. 14.39/7.21 [2019-03-28 12:07:31,507 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.39/7.21 [2019-03-28 12:07:31,513 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d6faf058c1af4e6cbccf43f15ddac9ac/FLAG48b29e0b1 14.39/7.21 [2019-03-28 12:07:31,907 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d6faf058c1af4e6cbccf43f15ddac9ac 14.39/7.21 [2019-03-28 12:07:31,918 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.39/7.21 [2019-03-28 12:07:31,920 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.39/7.21 [2019-03-28 12:07:31,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.39/7.21 [2019-03-28 12:07:31,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.39/7.21 [2019-03-28 12:07:31,924 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.39/7.21 [2019-03-28 12:07:31,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:31" (1/1) ... 14.39/7.21 [2019-03-28 12:07:31,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58988910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:31, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:31,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:07:31" (1/1) ... 14.39/7.21 [2019-03-28 12:07:31,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.39/7.21 [2019-03-28 12:07:31,954 INFO L176 MainTranslator]: Built tables and reachable declarations 14.39/7.21 [2019-03-28 12:07:32,111 INFO L206 PostProcessor]: Analyzing one entry point: main 14.39/7.21 [2019-03-28 12:07:32,116 INFO L191 MainTranslator]: Completed pre-run 14.39/7.21 [2019-03-28 12:07:32,132 INFO L206 PostProcessor]: Analyzing one entry point: main 14.39/7.21 [2019-03-28 12:07:32,146 INFO L195 MainTranslator]: Completed translation 14.39/7.21 [2019-03-28 12:07:32,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32 WrapperNode 14.39/7.21 [2019-03-28 12:07:32,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.39/7.21 [2019-03-28 12:07:32,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.39/7.21 [2019-03-28 12:07:32,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.39/7.21 [2019-03-28 12:07:32,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.39/7.21 [2019-03-28 12:07:32,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.39/7.21 [2019-03-28 12:07:32,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.39/7.21 [2019-03-28 12:07:32,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.39/7.21 [2019-03-28 12:07:32,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.39/7.21 [2019-03-28 12:07:32,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.39/7.21 [2019-03-28 12:07:32,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.39/7.21 [2019-03-28 12:07:32,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.39/7.21 [2019-03-28 12:07:32,257 INFO L276 PluginConnector]: RCFGBuilder initialized 14.39/7.21 [2019-03-28 12:07:32,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (1/1) ... 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.39/7.21 [2019-03-28 12:07:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.39/7.21 [2019-03-28 12:07:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.39/7.21 [2019-03-28 12:07:32,454 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.39/7.21 [2019-03-28 12:07:32,454 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 14.39/7.21 [2019-03-28 12:07:32,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:32 BoogieIcfgContainer 14.39/7.21 [2019-03-28 12:07:32,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.39/7.21 [2019-03-28 12:07:32,456 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.39/7.21 [2019-03-28 12:07:32,456 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.39/7.21 [2019-03-28 12:07:32,458 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.39/7.21 [2019-03-28 12:07:32,459 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:32" (1/1) ... 14.39/7.21 [2019-03-28 12:07:32,474 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 15 edges 14.39/7.21 [2019-03-28 12:07:32,475 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.39/7.21 [2019-03-28 12:07:32,476 INFO L263 BlockEncoder]: Using Maximize final states 14.39/7.21 [2019-03-28 12:07:32,477 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.39/7.21 [2019-03-28 12:07:32,477 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.39/7.21 [2019-03-28 12:07:32,479 INFO L296 BlockEncoder]: Using Remove sink states 14.39/7.21 [2019-03-28 12:07:32,480 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.39/7.21 [2019-03-28 12:07:32,480 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.39/7.21 [2019-03-28 12:07:32,496 INFO L185 BlockEncoder]: Using Use SBE 14.39/7.21 [2019-03-28 12:07:32,512 INFO L200 BlockEncoder]: SBE split 2 edges 14.39/7.21 [2019-03-28 12:07:32,517 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.39/7.21 [2019-03-28 12:07:32,518 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.39/7.21 [2019-03-28 12:07:32,529 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.39/7.21 [2019-03-28 12:07:32,531 INFO L70 RemoveSinkStates]: Removed 5 edges and 2 locations by removing sink states 14.39/7.21 [2019-03-28 12:07:32,533 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.39/7.21 [2019-03-28 12:07:32,533 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.39/7.21 [2019-03-28 12:07:32,539 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.39/7.21 [2019-03-28 12:07:32,539 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.39/7.21 [2019-03-28 12:07:32,539 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.39/7.21 [2019-03-28 12:07:32,539 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.39/7.21 [2019-03-28 12:07:32,540 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.39/7.21 [2019-03-28 12:07:32,540 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.39/7.21 [2019-03-28 12:07:32,540 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 14.39/7.21 [2019-03-28 12:07:32,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:32 BasicIcfg 14.39/7.21 [2019-03-28 12:07:32,541 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.39/7.21 [2019-03-28 12:07:32,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.39/7.21 [2019-03-28 12:07:32,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.39/7.21 [2019-03-28 12:07:32,545 INFO L276 PluginConnector]: TraceAbstraction initialized 14.39/7.21 [2019-03-28 12:07:32,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:07:31" (1/4) ... 14.39/7.21 [2019-03-28 12:07:32,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (2/4) ... 14.39/7.21 [2019-03-28 12:07:32,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:32" (3/4) ... 14.39/7.21 [2019-03-28 12:07:32,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:32" (4/4) ... 14.39/7.21 [2019-03-28 12:07:32,549 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.39/7.21 [2019-03-28 12:07:32,560 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.39/7.21 [2019-03-28 12:07:32,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.39/7.21 [2019-03-28 12:07:32,586 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.39/7.21 [2019-03-28 12:07:32,616 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.39/7.21 [2019-03-28 12:07:32,617 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.39/7.21 [2019-03-28 12:07:32,617 INFO L383 AbstractCegarLoop]: Hoare is true 14.39/7.21 [2019-03-28 12:07:32,618 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.39/7.21 [2019-03-28 12:07:32,618 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.39/7.21 [2019-03-28 12:07:32,618 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.39/7.21 [2019-03-28 12:07:32,618 INFO L387 AbstractCegarLoop]: Difference is false 14.39/7.21 [2019-03-28 12:07:32,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.39/7.21 [2019-03-28 12:07:32,618 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.39/7.21 [2019-03-28 12:07:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 14.39/7.21 [2019-03-28 12:07:32,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.39/7.21 [2019-03-28 12:07:32,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 14.39/7.21 [2019-03-28 12:07:32,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.39/7.21 [2019-03-28 12:07:32,692 INFO L448 ceAbstractionStarter]: For program point L11(lines 11 19) no Hoare annotation was computed. 14.39/7.21 [2019-03-28 12:07:32,692 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 11 19) no Hoare annotation was computed. 14.39/7.21 [2019-03-28 12:07:32,692 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 21) the Hoare annotation is: true 14.39/7.21 [2019-03-28 12:07:32,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:32 BasicIcfg 14.39/7.21 [2019-03-28 12:07:32,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.39/7.21 [2019-03-28 12:07:32,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.39/7.21 [2019-03-28 12:07:32,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.39/7.21 [2019-03-28 12:07:32,705 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.39/7.21 [2019-03-28 12:07:32,705 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.39/7.21 [2019-03-28 12:07:32,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:07:31" (1/5) ... 14.39/7.21 [2019-03-28 12:07:32,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a55284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,707 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.39/7.21 [2019-03-28 12:07:32,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:07:32" (2/5) ... 14.39/7.21 [2019-03-28 12:07:32,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a55284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,707 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.39/7.21 [2019-03-28 12:07:32,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:07:32" (3/5) ... 14.39/7.21 [2019-03-28 12:07:32,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a55284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,708 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.39/7.21 [2019-03-28 12:07:32,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:07:32" (4/5) ... 14.39/7.21 [2019-03-28 12:07:32,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a55284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:32, skipping insertion in model container 14.39/7.21 [2019-03-28 12:07:32,709 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.39/7.21 [2019-03-28 12:07:32,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:07:32" (5/5) ... 14.39/7.21 [2019-03-28 12:07:32,710 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.39/7.21 [2019-03-28 12:07:32,738 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.39/7.21 [2019-03-28 12:07:32,739 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.39/7.21 [2019-03-28 12:07:32,739 INFO L375 BuchiCegarLoop]: Hoare is true 14.39/7.21 [2019-03-28 12:07:32,739 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.39/7.21 [2019-03-28 12:07:32,739 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.39/7.21 [2019-03-28 12:07:32,740 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.39/7.21 [2019-03-28 12:07:32,740 INFO L379 BuchiCegarLoop]: Difference is false 14.39/7.21 [2019-03-28 12:07:32,740 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.39/7.21 [2019-03-28 12:07:32,740 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.39/7.21 [2019-03-28 12:07:32,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 14.39/7.21 [2019-03-28 12:07:32,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.39/7.21 [2019-03-28 12:07:32,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.39/7.21 [2019-03-28 12:07:32,761 INFO L119 BuchiIsEmpty]: Starting construction of run 14.39/7.21 [2019-03-28 12:07:32,766 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.39/7.21 [2019-03-28 12:07:32,766 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.39/7.21 [2019-03-28 12:07:32,766 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.39/7.21 [2019-03-28 12:07:32,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 14.39/7.21 [2019-03-28 12:07:32,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.39/7.21 [2019-03-28 12:07:32,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.39/7.21 [2019-03-28 12:07:32,767 INFO L119 BuchiIsEmpty]: Starting construction of run 14.39/7.21 [2019-03-28 12:07:32,768 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.39/7.21 [2019-03-28 12:07:32,768 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.39/7.21 [2019-03-28 12:07:32,773 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [63] ULTIMATE.startENTRY-->L10-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= v_ULTIMATE.start_test_fun_~c~0_7 0) (< 0 v_ULTIMATE.start_test_fun_~x_14) (= |v_ULTIMATE.start_test_fun_#in~x_2| v_ULTIMATE.start_test_fun_~x_14)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_14, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_9|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_7, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L10-2true 14.39/7.21 [2019-03-28 12:07:32,773 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [58] L10-2-->L11: Formula: (> v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 4#L11true [64] L11-->L11-2: Formula: (and (<= v_ULTIMATE.start_test_fun_~x_16 v_ULTIMATE.start_test_fun_~y_8) (< 0 v_ULTIMATE.start_test_fun_~x_16) (= (+ v_ULTIMATE.start_test_fun_~x_16 (- 1)) v_ULTIMATE.start_test_fun_~x_15)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_8, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_16} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_8, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_15} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 6#L11-2true [51] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 5#L10-2true 14.39/7.21 [2019-03-28 12:07:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash 94, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:32,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:32,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:32,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:32,858 INFO L82 PathProgramCache]: Analyzing trace with hash 87564, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:32,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:32,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:32,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2858127, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:32,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:32,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:32,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:32,934 INFO L216 LassoAnalysis]: Preferences: 14.39/7.21 [2019-03-28 12:07:32,935 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.39/7.21 [2019-03-28 12:07:32,935 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.39/7.21 [2019-03-28 12:07:32,935 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.39/7.21 [2019-03-28 12:07:32,935 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.39/7.21 [2019-03-28 12:07:32,936 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:32,936 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.39/7.21 [2019-03-28 12:07:32,936 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.39/7.21 [2019-03-28 12:07:32,936 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.39/7.21 [2019-03-28 12:07:32,936 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.39/7.21 [2019-03-28 12:07:32,937 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.39/7.21 [2019-03-28 12:07:32,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:32,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:33,031 INFO L300 LassoAnalysis]: Preprocessing complete. 14.39/7.21 [2019-03-28 12:07:33,032 INFO L412 LassoAnalysis]: Checking for nontermination... 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,040 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,073 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,073 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 [2019-03-28 12:07:33,108 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.39/7.21 [2019-03-28 12:07:33,110 INFO L216 LassoAnalysis]: Preferences: 14.39/7.21 [2019-03-28 12:07:33,111 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.39/7.21 [2019-03-28 12:07:33,111 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.39/7.21 [2019-03-28 12:07:33,111 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.39/7.21 [2019-03-28 12:07:33,111 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.39/7.21 [2019-03-28 12:07:33,111 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,111 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.39/7.21 [2019-03-28 12:07:33,111 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.39/7.21 [2019-03-28 12:07:33,112 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.39/7.21 [2019-03-28 12:07:33,112 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.39/7.21 [2019-03-28 12:07:33,112 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.39/7.21 [2019-03-28 12:07:33,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:33,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:33,166 INFO L300 LassoAnalysis]: Preprocessing complete. 14.39/7.21 [2019-03-28 12:07:33,172 INFO L497 LassoAnalysis]: Using template 'affine'. 14.39/7.21 [2019-03-28 12:07:33,174 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.39/7.21 Termination analysis: LINEAR_WITH_GUESSES 14.39/7.21 Number of strict supporting invariants: 0 14.39/7.21 Number of non-strict supporting invariants: 1 14.39/7.21 Consider only non-deceasing supporting invariants: true 14.39/7.21 Simplify termination arguments: true 14.39/7.21 Simplify supporting invariants: trueOverapproximate stem: false 14.39/7.21 [2019-03-28 12:07:33,175 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.39/7.21 [2019-03-28 12:07:33,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.39/7.21 [2019-03-28 12:07:33,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.39/7.21 [2019-03-28 12:07:33,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.39/7.21 [2019-03-28 12:07:33,176 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.39/7.21 [2019-03-28 12:07:33,179 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.39/7.21 [2019-03-28 12:07:33,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.39/7.21 [2019-03-28 12:07:33,186 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.39/7.21 [2019-03-28 12:07:33,195 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.39/7.21 [2019-03-28 12:07:33,195 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.39/7.21 [2019-03-28 12:07:33,197 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.39/7.21 [2019-03-28 12:07:33,197 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.39/7.21 [2019-03-28 12:07:33,198 INFO L518 LassoAnalysis]: Proved termination. 14.39/7.21 [2019-03-28 12:07:33,199 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.39/7.21 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 14.39/7.21 Supporting invariants [] 14.39/7.21 [2019-03-28 12:07:33,200 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.39/7.21 [2019-03-28 12:07:33,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:33,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:33,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:33,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:33,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.39/7.21 [2019-03-28 12:07:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:33,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:33,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:33,359 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 14.39/7.21 [2019-03-28 12:07:33,365 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 4 loop predicates 14.39/7.21 [2019-03-28 12:07:33,366 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 14.39/7.21 [2019-03-28 12:07:33,497 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 20 states and 30 transitions. Complement of second has 10 states. 14.39/7.21 [2019-03-28 12:07:33,498 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 14.39/7.21 [2019-03-28 12:07:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.39/7.21 [2019-03-28 12:07:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 28 transitions. 14.39/7.21 [2019-03-28 12:07:33,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 1 letters. Loop has 3 letters. 14.39/7.21 [2019-03-28 12:07:33,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:33,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 4 letters. Loop has 3 letters. 14.39/7.21 [2019-03-28 12:07:33,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:33,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 1 letters. Loop has 6 letters. 14.39/7.21 [2019-03-28 12:07:33,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:33,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 30 transitions. 14.39/7.21 [2019-03-28 12:07:33,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.39/7.21 [2019-03-28 12:07:33,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 22 transitions. 14.39/7.21 [2019-03-28 12:07:33,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 14.39/7.21 [2019-03-28 12:07:33,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 14.39/7.21 [2019-03-28 12:07:33,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. 14.39/7.21 [2019-03-28 12:07:33,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.39/7.21 [2019-03-28 12:07:33,543 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. 14.39/7.21 [2019-03-28 12:07:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. 14.39/7.21 [2019-03-28 12:07:33,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 10. 14.39/7.21 [2019-03-28 12:07:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 14.39/7.21 [2019-03-28 12:07:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. 14.39/7.21 [2019-03-28 12:07:33,572 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. 14.39/7.21 [2019-03-28 12:07:33,572 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. 14.39/7.21 [2019-03-28 12:07:33,572 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.39/7.21 [2019-03-28 12:07:33,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. 14.39/7.21 [2019-03-28 12:07:33,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 14.39/7.21 [2019-03-28 12:07:33,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.39/7.21 [2019-03-28 12:07:33,573 INFO L119 BuchiIsEmpty]: Starting construction of run 14.39/7.21 [2019-03-28 12:07:33,574 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 14.39/7.21 [2019-03-28 12:07:33,574 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 14.39/7.21 [2019-03-28 12:07:33,575 INFO L794 eck$LassoCheckResult]: Stem: 81#ULTIMATE.startENTRY [63] ULTIMATE.startENTRY-->L10-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= v_ULTIMATE.start_test_fun_~c~0_7 0) (< 0 v_ULTIMATE.start_test_fun_~x_14) (= |v_ULTIMATE.start_test_fun_#in~x_2| v_ULTIMATE.start_test_fun_~x_14)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_14, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_9|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_7, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} 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_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 82#L10-2 [58] L10-2-->L11: Formula: (> v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 85#L11 [39] L11-->L11-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_8) (= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 86#L11-2 [51] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 89#L10-2 14.39/7.21 [2019-03-28 12:07:33,575 INFO L796 eck$LassoCheckResult]: Loop: 89#L10-2 [59] L10-2-->L11: Formula: (< v_ULTIMATE.start_test_fun_~x_6 0) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[] 83#L11 [39] L11-->L11-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_8) (= v_ULTIMATE.start_test_fun_~x_7 v_ULTIMATE.start_test_fun_~y_5)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 84#L11-2 [51] L11-2-->L10-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 89#L10-2 14.39/7.21 [2019-03-28 12:07:33,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:33,575 INFO L82 PathProgramCache]: Analyzing trace with hash 2857352, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:33,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:33,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:33,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:33,587 INFO L82 PathProgramCache]: Analyzing trace with hash 87750, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:33,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:33,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:33,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.39/7.21 [2019-03-28 12:07:33,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:33,594 INFO L82 PathProgramCache]: Analyzing trace with hash -775914529, now seen corresponding path program 1 times 14.39/7.21 [2019-03-28 12:07:33,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.39/7.21 [2019-03-28 12:07:33,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.39/7.21 [2019-03-28 12:07:33,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.39/7.21 [2019-03-28 12:07:33,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 14.39/7.21 [2019-03-28 12:07:33,639 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 14.39/7.21 [2019-03-28 12:07:33,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.39/7.21 [2019-03-28 12:07:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:33,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:33,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.39/7.21 [2019-03-28 12:07:33,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 14.39/7.21 [2019-03-28 12:07:33,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 14.39/7.21 [2019-03-28 12:07:33,716 INFO L216 LassoAnalysis]: Preferences: 14.39/7.21 [2019-03-28 12:07:33,717 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.39/7.21 [2019-03-28 12:07:33,717 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.39/7.21 [2019-03-28 12:07:33,717 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.39/7.21 [2019-03-28 12:07:33,717 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.39/7.21 [2019-03-28 12:07:33,717 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,717 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.39/7.21 [2019-03-28 12:07:33,718 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.39/7.21 [2019-03-28 12:07:33,718 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.39/7.21 [2019-03-28 12:07:33,718 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.39/7.21 [2019-03-28 12:07:33,718 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.39/7.21 [2019-03-28 12:07:33,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:33,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:33,763 INFO L300 LassoAnalysis]: Preprocessing complete. 14.39/7.21 [2019-03-28 12:07:33,763 INFO L412 LassoAnalysis]: Checking for nontermination... 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,766 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,766 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,798 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,798 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 [2019-03-28 12:07:33,818 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.39/7.21 [2019-03-28 12:07:33,818 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,846 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,847 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.39/7.21 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.39/7.21 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:33,882 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.39/7.21 [2019-03-28 12:07:33,882 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.39/7.21 [2019-03-28 12:07:34,109 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.39/7.21 [2019-03-28 12:07:34,112 INFO L216 LassoAnalysis]: Preferences: 14.39/7.21 [2019-03-28 12:07:34,113 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.39/7.21 [2019-03-28 12:07:34,113 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.39/7.21 [2019-03-28 12:07:34,113 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.39/7.21 [2019-03-28 12:07:34,114 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.39/7.21 [2019-03-28 12:07:34,114 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.39/7.21 [2019-03-28 12:07:34,114 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.39/7.21 [2019-03-28 12:07:34,114 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.39/7.21 [2019-03-28 12:07:34,114 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.39/7.21 [2019-03-28 12:07:34,114 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.39/7.21 [2019-03-28 12:07:34,114 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.39/7.21 [2019-03-28 12:07:34,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:34,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.39/7.21 [2019-03-28 12:07:34,162 INFO L300 LassoAnalysis]: Preprocessing complete. 14.39/7.21 [2019-03-28 12:07:34,163 INFO L497 LassoAnalysis]: Using template 'affine'. 14.39/7.21 [2019-03-28 12:07:34,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.39/7.21 Termination analysis: LINEAR_WITH_GUESSES 14.39/7.21 Number of strict supporting invariants: 0 14.39/7.21 Number of non-strict supporting invariants: 1 14.39/7.21 Consider only non-deceasing supporting invariants: true 14.39/7.21 Simplify termination arguments: true 14.39/7.21 Simplify supporting invariants: trueOverapproximate stem: false 14.39/7.21 [2019-03-28 12:07:34,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.39/7.21 [2019-03-28 12:07:34,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.39/7.21 [2019-03-28 12:07:34,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.39/7.21 [2019-03-28 12:07:34,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.39/7.21 [2019-03-28 12:07:34,165 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.39/7.21 [2019-03-28 12:07:34,165 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.39/7.21 [2019-03-28 12:07:34,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.39/7.21 [2019-03-28 12:07:34,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.39/7.21 [2019-03-28 12:07:34,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.39/7.21 Termination analysis: LINEAR_WITH_GUESSES 14.39/7.21 Number of strict supporting invariants: 0 14.39/7.21 Number of non-strict supporting invariants: 1 14.39/7.21 Consider only non-deceasing supporting invariants: true 14.39/7.21 Simplify termination arguments: true 14.39/7.21 Simplify supporting invariants: trueOverapproximate stem: false 14.39/7.21 [2019-03-28 12:07:34,171 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.39/7.21 [2019-03-28 12:07:34,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.39/7.21 [2019-03-28 12:07:34,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.39/7.21 [2019-03-28 12:07:34,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.39/7.21 [2019-03-28 12:07:34,171 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.39/7.21 [2019-03-28 12:07:34,172 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.39/7.21 [2019-03-28 12:07:34,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.39/7.21 [2019-03-28 12:07:34,179 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.39/7.21 [2019-03-28 12:07:34,186 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.39/7.21 [2019-03-28 12:07:34,186 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.39/7.21 [2019-03-28 12:07:34,186 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.39/7.21 [2019-03-28 12:07:34,187 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.39/7.21 [2019-03-28 12:07:34,187 INFO L518 LassoAnalysis]: Proved termination. 14.39/7.21 [2019-03-28 12:07:34,187 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.39/7.21 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 14.39/7.21 Supporting invariants [] 14.39/7.21 [2019-03-28 12:07:34,187 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.39/7.21 [2019-03-28 12:07:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.39/7.21 [2019-03-28 12:07:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:34,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:34,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:34,229 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:34,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.39/7.21 [2019-03-28 12:07:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.39/7.21 [2019-03-28 12:07:34,263 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 14.39/7.21 [2019-03-28 12:07:34,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.39/7.21 [2019-03-28 12:07:34,264 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 14.39/7.21 [2019-03-28 12:07:34,265 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 14.39/7.21 [2019-03-28 12:07:34,265 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand 4 states. 14.39/7.21 [2019-03-28 12:07:34,352 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 62 states and 95 transitions. Complement of second has 23 states. 14.39/7.21 [2019-03-28 12:07:34,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 14.39/7.21 [2019-03-28 12:07:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 14.39/7.21 [2019-03-28 12:07:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. 14.39/7.21 [2019-03-28 12:07:34,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 4 letters. Loop has 3 letters. 14.39/7.21 [2019-03-28 12:07:34,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:34,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 7 letters. Loop has 3 letters. 14.39/7.21 [2019-03-28 12:07:34,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:34,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 4 letters. Loop has 6 letters. 14.39/7.21 [2019-03-28 12:07:34,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.39/7.21 [2019-03-28 12:07:34,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 95 transitions. 14.39/7.21 [2019-03-28 12:07:34,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.39/7.21 [2019-03-28 12:07:34,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.39/7.21 [2019-03-28 12:07:34,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.39/7.21 [2019-03-28 12:07:34,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.39/7.21 [2019-03-28 12:07:34,364 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,364 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 14.39/7.21 [2019-03-28 12:07:34,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 14.39/7.21 [2019-03-28 12:07:34,368 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. 14.39/7.21 [2019-03-28 12:07:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 14.39/7.21 [2019-03-28 12:07:34,371 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 14.39/7.21 [2019-03-28 12:07:34,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,373 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.39/7.21 [2019-03-28 12:07:34,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.39/7.21 [2019-03-28 12:07:34,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.39/7.21 [2019-03-28 12:07:34,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,374 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.39/7.21 [2019-03-28 12:07:34,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.39/7.21 [2019-03-28 12:07:34,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.39/7.21 [2019-03-28 12:07:34,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.39/7.21 [2019-03-28 12:07:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:07:34 BasicIcfg 14.39/7.21 [2019-03-28 12:07:34,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.39/7.21 [2019-03-28 12:07:34,381 INFO L168 Benchmark]: Toolchain (without parser) took 2462.60 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 564.9 MB in the beginning and 455.9 MB in the end (delta: 109.1 MB). Peak memory consumption was 135.3 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,383 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.42 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.85 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 554.1 MB in the beginning and 642.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,385 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 675.8 MB. Free memory was 642.1 MB in the beginning and 640.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,386 INFO L168 Benchmark]: RCFGBuilder took 199.47 ms. Allocated memory is still 675.8 MB. Free memory was 639.0 MB in the beginning and 624.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,386 INFO L168 Benchmark]: BlockEncodingV2 took 84.68 ms. Allocated memory is still 675.8 MB. Free memory was 624.9 MB in the beginning and 618.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,387 INFO L168 Benchmark]: TraceAbstraction took 158.93 ms. Allocated memory is still 675.8 MB. Free memory was 618.1 MB in the beginning and 608.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,387 INFO L168 Benchmark]: BuchiAutomizer took 1679.59 ms. Allocated memory is still 675.8 MB. Free memory was 608.7 MB in the beginning and 455.9 MB in the end (delta: 152.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 50.3 GB. 14.39/7.21 [2019-03-28 12:07:34,392 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.39/7.21 --- Results --- 14.39/7.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.39/7.21 - StatisticsResult: Initial Icfg 14.39/7.21 11 locations, 15 edges 14.39/7.21 - StatisticsResult: Encoded RCFG 14.39/7.21 4 locations, 6 edges 14.39/7.21 * Results from de.uni_freiburg.informatik.ultimate.core: 14.39/7.21 - StatisticsResult: Toolchain Benchmarks 14.39/7.21 Benchmark results are: 14.39/7.21 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.39/7.21 * CACSL2BoogieTranslator took 226.42 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 554.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 14.39/7.21 * Boogie Procedure Inliner took 88.85 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 554.1 MB in the beginning and 642.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.39/7.21 * Boogie Preprocessor took 19.47 ms. Allocated memory is still 675.8 MB. Free memory was 642.1 MB in the beginning and 640.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.39/7.21 * RCFGBuilder took 199.47 ms. Allocated memory is still 675.8 MB. Free memory was 639.0 MB in the beginning and 624.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 14.39/7.21 * BlockEncodingV2 took 84.68 ms. Allocated memory is still 675.8 MB. Free memory was 624.9 MB in the beginning and 618.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 14.39/7.21 * TraceAbstraction took 158.93 ms. Allocated memory is still 675.8 MB. Free memory was 618.1 MB in the beginning and 608.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.39/7.21 * BuchiAutomizer took 1679.59 ms. Allocated memory is still 675.8 MB. Free memory was 608.7 MB in the beginning and 455.9 MB in the end (delta: 152.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 50.3 GB. 14.39/7.21 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.39/7.21 - AllSpecificationsHoldResult: All specifications hold 14.39/7.21 We were not able to verify any specifiation because the program does not contain any specification. 14.39/7.21 - InvariantResult [Line: 10]: Loop Invariant 14.39/7.21 Derived loop invariant: 1 14.39/7.21 - StatisticsResult: Ultimate Automizer benchmark data 14.39/7.21 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 14.39/7.21 - StatisticsResult: Constructed decomposition of program 14.39/7.21 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 7 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. 14.39/7.21 - StatisticsResult: Timing statistics 14.39/7.21 BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 26 SDslu, 10 SDs, 0 SdLazy, 50 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq141 hnf94 smp100 dnf100 smp100 tf112 neg100 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.39/7.21 - TerminationAnalysisResult: Termination proven 14.39/7.21 Buchi Automizer proved that your program is terminating 14.39/7.21 RESULT: Ultimate proved your program to be correct! 14.39/7.21 !SESSION 2019-03-28 12:07:28.653 ----------------------------------------------- 14.39/7.21 eclipse.buildId=unknown 14.39/7.21 java.version=1.8.0_181 14.39/7.21 java.vendor=Oracle Corporation 14.39/7.21 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.39/7.21 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.39/7.21 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 14.39/7.21 14.39/7.21 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:07:34.995 14.39/7.21 !MESSAGE The workspace will exit with unsaved changes in this session. 14.39/7.21 Received shutdown request... 14.39/7.21 Ultimate: 14.39/7.21 GTK+ Version Check 14.39/7.21 EOF