YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 05:53:39,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 05:53:39,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 05:53:39,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 05:53:39,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 05:53:39,407 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 05:53:39,408 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 05:53:39,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 05:53:39,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 05:53:39,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 05:53:39,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 05:53:39,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 05:53:39,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 05:53:39,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 05:53:39,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 05:53:39,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 05:53:39,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 05:53:39,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 05:53:39,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 05:53:39,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 05:53:39,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 05:53:39,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 05:53:39,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 05:53:39,427 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 05:53:39,427 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 05:53:39,428 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 05:53:39,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 05:53:39,429 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 05:53:39,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 05:53:39,430 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 05:53:39,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 05:53:39,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 05:53:39,432 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 05:53:39,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 05:53:39,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 05:53:39,433 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 05:53:39,434 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 05:53:39,435 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 05:53:39,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 05:53:39,435 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 05:53:39,450 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 05:53:39,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 05:53:39,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 05:53:39,451 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 05:53:39,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 05:53:39,452 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:53:39,452 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 05:53:39,452 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 05:53:39,452 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 05:53:39,452 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 05:53:39,452 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 05:53:39,453 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 05:53:39,453 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 05:53:39,453 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 05:53:39,453 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:39,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 05:53:39,453 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 05:53:39,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 05:53:39,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 05:53:39,454 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 05:53:39,454 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 05:53:39,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 05:53:39,454 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 05:53:39,455 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 05:53:39,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:53:39,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 05:53:39,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 05:53:39,455 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 05:53:39,455 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 05:53:39,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 05:53:39,493 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 05:53:39,497 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 05:53:39,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 05:53:39,498 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 05:53:39,499 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 05:53:39,560 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/aa596622d68f410496b921b4e1c8b37c/FLAGfe0d78ef6 [2020-06-22 05:53:39,899 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 05:53:39,900 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 05:53:39,907 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/aa596622d68f410496b921b4e1c8b37c/FLAGfe0d78ef6 [2020-06-22 05:53:40,314 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/aa596622d68f410496b921b4e1c8b37c [2020-06-22 05:53:40,326 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 05:53:40,327 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 05:53:40,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 05:53:40,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 05:53:40,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 05:53:40,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61050d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40, skipping insertion in model container [2020-06-22 05:53:40,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 05:53:40,364 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 05:53:40,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:53:40,532 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 05:53:40,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:53:40,627 INFO L195 MainTranslator]: Completed translation [2020-06-22 05:53:40,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40 WrapperNode [2020-06-22 05:53:40,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 05:53:40,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 05:53:40,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 05:53:40,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 05:53:40,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 05:53:40,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 05:53:40,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 05:53:40,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 05:53:40,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 05:53:40,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 05:53:40,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 05:53:40,683 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 05:53:40,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:53:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2020-06-22 05:53:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2020-06-22 05:53:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 05:53:40,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 05:53:40,907 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 05:53:40,907 INFO L286 CfgBuilder]: Removed 10 assue(true) statements. [2020-06-22 05:53:40,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:40 BoogieIcfgContainer [2020-06-22 05:53:40,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 05:53:40,909 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 05:53:40,909 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 05:53:40,911 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 05:53:40,912 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:40" (1/1) ... [2020-06-22 05:53:40,930 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2020-06-22 05:53:40,932 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 05:53:40,933 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 05:53:40,934 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 05:53:40,934 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:53:40,936 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 05:53:40,937 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 05:53:40,937 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 05:53:40,954 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 05:53:40,963 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 05:53:40,969 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 05:53:40,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:53:40,979 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 05:53:40,981 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-06-22 05:53:40,983 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 05:53:40,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:53:40,984 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 05:53:40,984 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 05:53:40,985 INFO L313 BlockEncoder]: Encoded RCFG 13 locations, 17 edges [2020-06-22 05:53:40,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:53:40 BasicIcfg [2020-06-22 05:53:40,985 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 05:53:40,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 05:53:40,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 05:53:40,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 05:53:40,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 05:53:40" (1/4) ... [2020-06-22 05:53:40,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d34835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:53:40, skipping insertion in model container [2020-06-22 05:53:40,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (2/4) ... [2020-06-22 05:53:40,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d34835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:53:40, skipping insertion in model container [2020-06-22 05:53:40,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:40" (3/4) ... [2020-06-22 05:53:40,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d34835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:53:40, skipping insertion in model container [2020-06-22 05:53:40,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:53:40" (4/4) ... [2020-06-22 05:53:40,993 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:53:41,003 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 05:53:41,012 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 05:53:41,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 05:53:41,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:53:41,062 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 05:53:41,063 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 05:53:41,063 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:53:41,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:53:41,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:53:41,063 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 05:53:41,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:53:41,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 05:53:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-06-22 05:53:41,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 05:53:41,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-06-22 05:53:41,152 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 35) no Hoare annotation was computed. [2020-06-22 05:53:41,153 INFO L451 ceAbstractionStarter]: At program point L43(line 43) the Hoare annotation is: true [2020-06-22 05:53:41,153 INFO L451 ceAbstractionStarter]: At program point loopENTRY(lines 38 45) the Hoare annotation is: true [2020-06-22 05:53:41,153 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2020-06-22 05:53:41,153 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 38 45) no Hoare annotation was computed. [2020-06-22 05:53:41,153 INFO L448 ceAbstractionStarter]: For program point loopEXIT(lines 38 45) no Hoare annotation was computed. [2020-06-22 05:53:41,154 INFO L451 ceAbstractionStarter]: At program point L35(lines 30 36) the Hoare annotation is: true [2020-06-22 05:53:41,154 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 35) no Hoare annotation was computed. [2020-06-22 05:53:41,154 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 35) no Hoare annotation was computed. [2020-06-22 05:53:41,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 05:53:41,155 INFO L451 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: true [2020-06-22 05:53:41,155 INFO L451 ceAbstractionStarter]: At program point L35(lines 30 36) the Hoare annotation is: true [2020-06-22 05:53:41,155 INFO L451 ceAbstractionStarter]: At program point L35-1(lines 30 36) the Hoare annotation is: true [2020-06-22 05:53:41,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:53:41 BasicIcfg [2020-06-22 05:53:41,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 05:53:41,164 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 05:53:41,164 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 05:53:41,168 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 05:53:41,169 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:53:41,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 05:53:40" (1/5) ... [2020-06-22 05:53:41,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c88ebe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:53:41, skipping insertion in model container [2020-06-22 05:53:41,170 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:53:41,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:53:40" (2/5) ... [2020-06-22 05:53:41,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c88ebe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:53:41, skipping insertion in model container [2020-06-22 05:53:41,170 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:53:41,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:53:40" (3/5) ... [2020-06-22 05:53:41,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c88ebe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:53:41, skipping insertion in model container [2020-06-22 05:53:41,171 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:53:41,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:53:40" (4/5) ... [2020-06-22 05:53:41,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c88ebe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:53:41, skipping insertion in model container [2020-06-22 05:53:41,173 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:53:41,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:53:41" (5/5) ... [2020-06-22 05:53:41,175 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:53:41,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:53:41,203 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 05:53:41,203 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 05:53:41,204 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:53:41,204 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:53:41,204 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:53:41,204 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 05:53:41,204 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:53:41,204 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 05:53:41,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-06-22 05:53:41,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 05:53:41,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:53:41,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:53:41,236 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 05:53:41,236 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-06-22 05:53:41,236 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 05:53:41,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-06-22 05:53:41,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 05:53:41,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:53:41,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:53:41,239 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 05:53:41,239 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-06-22 05:53:41,244 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L32: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_2|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 9#L32true [62] L32-->L35: Formula: (and (= |v_ULTIMATE.start_random_#res_3| v_ULTIMATE.start_random_~x~1_4) (>= v_ULTIMATE.start_random_~x~1_4 0)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_3|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 14#L35true [55] L35-->L32-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_4| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_4|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 7#L32-1true [63] L32-1-->L35-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_8 0) (= |v_ULTIMATE.start_random_#res_7| v_ULTIMATE.start_random_~x~1_8)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_8} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_8, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 13#L35-1true [54] L35-1-->L26: Formula: (= |v_ULTIMATE.start_main_#t~ret4_4| |v_ULTIMATE.start_random_#res_8|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_8|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 3#L26true [41] L26-->loopENTRY: Formula: (and (= |v_loop_#in~aInParam_2| |v_ULTIMATE.start_main_#t~ret3_5|) (= |v_loop_#in~bInParam_2| |v_ULTIMATE.start_main_#t~ret4_5|)) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 4#loopENTRYtrue [2020-06-22 05:53:41,245 INFO L796 eck$LassoCheckResult]: Loop: 4#loopENTRYtrue [42] loopENTRY-->L39: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 15#L39true [58] L39-->L32: Formula: (< 0 v_loop_~b_2) InVars {loop_~b=v_loop_~b_2} OutVars{loop_random_#t~nondet5=|v_loop_random_#t~nondet5_1|, loop_random_~x~1=v_loop_random_~x~1_1, loop_random_#res=|v_loop_random_#res_1|, loop_~b=v_loop_~b_2} AuxVars[] AssignedVars[loop_random_~x~1, loop_random_#t~nondet5, loop_random_#res] 5#L32true [65] L32-->L35: Formula: (and (= |v_loop_random_#res_3| v_loop_random_~x~1_4) (>= v_loop_random_~x~1_4 0)) InVars {loop_random_~x~1=v_loop_random_~x~1_4} OutVars{loop_random_~x~1=v_loop_random_~x~1_4, loop_random_#res=|v_loop_random_#res_3|} AuxVars[] AssignedVars[loop_random_#res] 10#L35true [51] L35-->L43: Formula: (let ((.cse0 (+ v_loop_~a_3 (* (- 1) v_loop_~r~0_1) (- 1)))) (and (= v_loop_~b_3 .cse0) (= v_loop_~a_2 .cse0) (= v_loop_~r~0_1 |v_loop_random_#res_4|))) InVars {loop_random_#res=|v_loop_random_#res_4|, loop_~a=v_loop_~a_3} OutVars{loop_~r~0=v_loop_~r~0_1, loop_random_#res=|v_loop_random_#res_4|, loop_~b=v_loop_~b_3, loop_#t~ret6=|v_loop_#t~ret6_1|, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~r~0, loop_#t~ret6, loop_~b, loop_~a] 6#L43true [45] L43-->loopENTRY: Formula: (and (= |v_loop_#in~aInParam_1| v_loop_~a_5) (= |v_loop_#in~bInParam_1| v_loop_~b_6)) InVars {loop_~b=v_loop_~b_6, loop_~a=v_loop_~a_5} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 4#loopENTRYtrue [2020-06-22 05:53:41,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:53:41,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1974305302, now seen corresponding path program 1 times [2020-06-22 05:53:41,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:53:41,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:53:41,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:53:41,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:53:41,336 INFO L82 PathProgramCache]: Analyzing trace with hash 69209002, now seen corresponding path program 1 times [2020-06-22 05:53:41,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:53:41,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:53:41,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:53:41,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:53:41,356 INFO L82 PathProgramCache]: Analyzing trace with hash -127084703, now seen corresponding path program 1 times [2020-06-22 05:53:41,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:53:41,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:53:41,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:53:41,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:53:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:53:41,523 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:53:41,524 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:53:41,524 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:53:41,524 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:53:41,524 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 05:53:41,524 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:41,524 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:53:41,525 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:53:41,525 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 05:53:41,525 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:53:41,525 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:53:41,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,649 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:53:41,650 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:41,659 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:53:41,659 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:53:41,669 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:53:41,669 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_random_#t~nondet5=0} Honda state: {loop_random_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:41,699 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:53:41,699 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:53:41,703 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:53:41,703 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_#t~ret6=0} Honda state: {loop_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:41,731 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:53:41,732 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:53:41,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 05:53:41,764 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:53:41,939 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 05:53:41,942 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:53:41,942 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:53:41,942 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:53:41,942 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:53:41,942 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 05:53:41,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 05:53:41,943 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:53:41,943 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:53:41,943 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 05:53:41,943 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:53:41,943 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:53:41,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:41,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 05:53:42,026 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:53:42,032 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 05:53:42,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,036 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,036 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,037 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,039 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,045 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,046 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,046 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,049 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,050 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,050 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,059 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,059 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,069 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,069 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,072 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,072 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:53:42,073 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:53:42,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,074 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 05:53:42,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,076 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:53:42,077 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:53:42,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,080 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,080 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,081 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,081 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:53:42,082 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:53:42,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:53:42,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:53:42,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:53:42,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:53:42,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:53:42,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:53:42,085 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:53:42,086 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:53:42,086 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:53:42,095 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 05:53:42,106 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 05:53:42,107 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2020-06-22 05:53:42,109 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 05:53:42,109 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 05:53:42,109 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 05:53:42,110 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*loop_#in~a f1 = 1*loop_#in~b Supporting invariants [] [2020-06-22 05:53:42,111 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 05:53:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:53:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:53:42,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 05:53:42,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:53:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 05:53:42,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2020-06-22 05:53:42,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 05:53:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 05:53:42,897 INFO L98 LoopCannibalizer]: 21 predicates before loop cannibalization 21 predicates after loop cannibalization [2020-06-22 05:53:42,902 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 21 loop predicates [2020-06-22 05:53:42,903 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states. Second operand 6 states. [2020-06-22 05:53:43,554 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states.. Second operand 6 states. Result 48 states and 58 transitions. Complement of second has 27 states. [2020-06-22 05:53:43,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2020-06-22 05:53:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 05:53:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 31 transitions. [2020-06-22 05:53:43,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 6 letters. Loop has 5 letters. [2020-06-22 05:53:43,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:53:43,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 11 letters. Loop has 5 letters. [2020-06-22 05:53:43,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:53:43,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 31 transitions. Stem has 6 letters. Loop has 10 letters. [2020-06-22 05:53:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 05:53:43,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2020-06-22 05:53:43,578 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 05:53:43,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2020-06-22 05:53:43,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 05:53:43,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 05:53:43,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 05:53:43,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 05:53:43,584 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:53:43,584 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:53:43,584 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 05:53:43,584 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 05:53:43,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 05:53:43,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 05:53:43,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 05:53:43,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:53:43 BasicIcfg [2020-06-22 05:53:43,590 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 05:53:43,591 INFO L168 Benchmark]: Toolchain (without parser) took 3264.30 ms. Allocated memory was 649.6 MB in the beginning and 736.1 MB in the end (delta: 86.5 MB). Free memory was 563.2 MB in the beginning and 622.0 MB in the end (delta: -58.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,592 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 05:53:43,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.60 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 563.2 MB in the beginning and 627.9 MB in the end (delta: -64.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.07 ms. Allocated memory is still 661.7 MB. Free memory was 627.9 MB in the beginning and 626.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,594 INFO L168 Benchmark]: Boogie Preprocessor took 17.79 ms. Allocated memory is still 661.7 MB. Free memory was 626.6 MB in the beginning and 625.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,595 INFO L168 Benchmark]: RCFGBuilder took 225.87 ms. Allocated memory is still 661.7 MB. Free memory was 625.2 MB in the beginning and 607.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,595 INFO L168 Benchmark]: BlockEncodingV2 took 76.12 ms. Allocated memory is still 661.7 MB. Free memory was 607.9 MB in the beginning and 603.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,596 INFO L168 Benchmark]: TraceAbstraction took 177.51 ms. Allocated memory is still 661.7 MB. Free memory was 602.5 MB in the beginning and 591.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,597 INFO L168 Benchmark]: BuchiAutomizer took 2426.10 ms. Allocated memory was 661.7 MB in the beginning and 736.1 MB in the end (delta: 74.4 MB). Free memory was 591.7 MB in the beginning and 622.0 MB in the end (delta: -30.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 50.3 GB. [2020-06-22 05:53:43,601 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 17 locations, 21 edges - StatisticsResult: Encoded RCFG 13 locations, 17 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 299.60 ms. Allocated memory was 649.6 MB in the beginning and 661.7 MB in the end (delta: 12.1 MB). Free memory was 563.2 MB in the beginning and 627.9 MB in the end (delta: -64.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.07 ms. Allocated memory is still 661.7 MB. Free memory was 627.9 MB in the beginning and 626.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.79 ms. Allocated memory is still 661.7 MB. Free memory was 626.6 MB in the beginning and 625.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 225.87 ms. Allocated memory is still 661.7 MB. Free memory was 625.2 MB in the beginning and 607.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.12 ms. Allocated memory is still 661.7 MB. Free memory was 607.9 MB in the beginning and 603.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. * TraceAbstraction took 177.51 ms. Allocated memory is still 661.7 MB. Free memory was 602.5 MB in the beginning and 591.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2426.10 ms. Allocated memory was 661.7 MB in the beginning and 736.1 MB in the end (delta: 74.4 MB). Free memory was 591.7 MB in the beginning and 622.0 MB in the end (delta: -30.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 0 error locations. SAFE Result, 0.1s 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=13occurred 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, 6 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 6 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if \old(a) > 0 then 1 else 0), (if \old(a) > 0 then \old(a) else \old(b)) and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 77 SDslu, 39 SDs, 0 SdLazy, 67 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq130 hnf94 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 05:53:37.116 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 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 !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 05:53:43.832 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check