25.10/18.12 YES 25.10/18.12 25.10/18.12 Ultimate: Cannot open display: 25.10/18.12 This is Ultimate 0.1.24-8dc7c08-m 25.10/18.12 [2019-03-29 02:06:01,467 INFO L170 SettingsManager]: Resetting all preferences to default values... 25.10/18.12 [2019-03-29 02:06:01,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 25.10/18.12 [2019-03-29 02:06:01,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 25.10/18.12 [2019-03-29 02:06:01,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 25.10/18.12 [2019-03-29 02:06:01,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 25.10/18.12 [2019-03-29 02:06:01,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 25.10/18.12 [2019-03-29 02:06:01,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 25.10/18.12 [2019-03-29 02:06:01,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 25.10/18.12 [2019-03-29 02:06:01,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 25.10/18.12 [2019-03-29 02:06:01,489 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 25.10/18.12 [2019-03-29 02:06:01,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 25.10/18.12 [2019-03-29 02:06:01,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 25.10/18.12 [2019-03-29 02:06:01,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 25.10/18.12 [2019-03-29 02:06:01,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 25.10/18.12 [2019-03-29 02:06:01,494 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 25.10/18.12 [2019-03-29 02:06:01,496 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 25.10/18.12 [2019-03-29 02:06:01,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 25.10/18.12 [2019-03-29 02:06:01,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 25.10/18.12 [2019-03-29 02:06:01,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 25.10/18.12 [2019-03-29 02:06:01,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 25.10/18.12 [2019-03-29 02:06:01,503 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 25.10/18.12 [2019-03-29 02:06:01,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 25.10/18.12 [2019-03-29 02:06:01,504 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 25.10/18.12 [2019-03-29 02:06:01,505 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 25.10/18.12 [2019-03-29 02:06:01,505 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 25.10/18.12 [2019-03-29 02:06:01,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 25.10/18.12 [2019-03-29 02:06:01,507 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,507 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 25.10/18.12 [2019-03-29 02:06:01,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 25.10/18.12 [2019-03-29 02:06:01,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 25.10/18.12 [2019-03-29 02:06:01,509 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 25.10/18.12 [2019-03-29 02:06:01,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 25.10/18.12 [2019-03-29 02:06:01,510 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 25.10/18.12 [2019-03-29 02:06:01,525 INFO L110 SettingsManager]: Loading preferences was successful 25.10/18.12 [2019-03-29 02:06:01,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 25.10/18.12 [2019-03-29 02:06:01,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 25.10/18.12 [2019-03-29 02:06:01,526 INFO L133 SettingsManager]: * Rewrite not-equals=true 25.10/18.12 [2019-03-29 02:06:01,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 25.10/18.12 [2019-03-29 02:06:01,527 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 25.10/18.12 [2019-03-29 02:06:01,527 INFO L133 SettingsManager]: * Use SBE=true 25.10/18.12 [2019-03-29 02:06:01,527 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 25.10/18.12 [2019-03-29 02:06:01,527 INFO L133 SettingsManager]: * Use old map elimination=false 25.10/18.12 [2019-03-29 02:06:01,527 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 25.10/18.12 [2019-03-29 02:06:01,527 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 25.10/18.12 [2019-03-29 02:06:01,528 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 25.10/18.12 [2019-03-29 02:06:01,528 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 25.10/18.12 [2019-03-29 02:06:01,528 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 25.10/18.12 [2019-03-29 02:06:01,528 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.12 [2019-03-29 02:06:01,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 25.10/18.12 [2019-03-29 02:06:01,528 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 25.10/18.12 [2019-03-29 02:06:01,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE 25.10/18.12 [2019-03-29 02:06:01,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 25.10/18.12 [2019-03-29 02:06:01,529 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 25.10/18.12 [2019-03-29 02:06:01,529 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 25.10/18.12 [2019-03-29 02:06:01,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 25.10/18.12 [2019-03-29 02:06:01,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 25.10/18.12 [2019-03-29 02:06:01,530 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 25.10/18.12 [2019-03-29 02:06:01,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.10/18.12 [2019-03-29 02:06:01,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 25.10/18.12 [2019-03-29 02:06:01,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 25.10/18.12 [2019-03-29 02:06:01,530 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 25.10/18.12 [2019-03-29 02:06:01,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 25.10/18.12 [2019-03-29 02:06:01,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 25.10/18.12 [2019-03-29 02:06:01,569 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 25.10/18.12 [2019-03-29 02:06:01,573 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 25.10/18.12 [2019-03-29 02:06:01,574 INFO L271 PluginConnector]: Initializing CDTParser... 25.10/18.12 [2019-03-29 02:06:01,575 INFO L276 PluginConnector]: CDTParser initialized 25.10/18.12 [2019-03-29 02:06:01,575 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 25.10/18.12 [2019-03-29 02:06:01,633 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7fdcad70168145a6a0c9c2a065628ba2/FLAGb62622197 25.10/18.12 [2019-03-29 02:06:01,973 INFO L307 CDTParser]: Found 1 translation units. 25.10/18.12 [2019-03-29 02:06:01,974 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 25.10/18.12 [2019-03-29 02:06:01,980 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7fdcad70168145a6a0c9c2a065628ba2/FLAGb62622197 25.10/18.12 [2019-03-29 02:06:02,393 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7fdcad70168145a6a0c9c2a065628ba2 25.10/18.12 [2019-03-29 02:06:02,405 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 25.10/18.12 [2019-03-29 02:06:02,406 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 25.10/18.12 [2019-03-29 02:06:02,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 25.10/18.12 [2019-03-29 02:06:02,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 25.10/18.12 [2019-03-29 02:06:02,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 25.10/18.12 [2019-03-29 02:06:02,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c88747c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02, skipping insertion in model container 25.10/18.12 [2019-03-29 02:06:02,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 25.10/18.12 [2019-03-29 02:06:02,440 INFO L176 MainTranslator]: Built tables and reachable declarations 25.10/18.12 [2019-03-29 02:06:02,595 INFO L206 PostProcessor]: Analyzing one entry point: main 25.10/18.12 [2019-03-29 02:06:02,602 INFO L191 MainTranslator]: Completed pre-run 25.10/18.12 [2019-03-29 02:06:02,618 INFO L206 PostProcessor]: Analyzing one entry point: main 25.10/18.12 [2019-03-29 02:06:02,687 INFO L195 MainTranslator]: Completed translation 25.10/18.12 [2019-03-29 02:06:02,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02 WrapperNode 25.10/18.12 [2019-03-29 02:06:02,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 25.10/18.12 [2019-03-29 02:06:02,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 25.10/18.12 [2019-03-29 02:06:02,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 25.10/18.12 [2019-03-29 02:06:02,689 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 25.10/18.12 [2019-03-29 02:06:02,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 25.10/18.12 [2019-03-29 02:06:02,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 25.10/18.12 [2019-03-29 02:06:02,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 25.10/18.12 [2019-03-29 02:06:02,724 INFO L276 PluginConnector]: Boogie Preprocessor initialized 25.10/18.12 [2019-03-29 02:06:02,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 25.10/18.12 [2019-03-29 02:06:02,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 25.10/18.12 [2019-03-29 02:06:02,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... 25.10/18.12 [2019-03-29 02:06:02,743 INFO L276 PluginConnector]: RCFGBuilder initialized 25.10/18.12 [2019-03-29 02:06:02,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (1/1) ... 25.10/18.12 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.10/18.12 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 25.10/18.12 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.10/18.12 [2019-03-29 02:06:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 25.10/18.12 [2019-03-29 02:06:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 25.10/18.12 [2019-03-29 02:06:02,942 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 25.10/18.12 [2019-03-29 02:06:02,943 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 25.10/18.12 [2019-03-29 02:06:02,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02 BoogieIcfgContainer 25.10/18.12 [2019-03-29 02:06:02,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 25.10/18.12 [2019-03-29 02:06:02,945 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 25.10/18.12 [2019-03-29 02:06:02,945 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 25.10/18.12 [2019-03-29 02:06:02,947 INFO L276 PluginConnector]: BlockEncodingV2 initialized 25.10/18.12 [2019-03-29 02:06:02,948 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (1/1) ... 25.10/18.12 [2019-03-29 02:06:02,962 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 25.10/18.12 [2019-03-29 02:06:02,964 INFO L258 BlockEncoder]: Using Remove infeasible edges 25.10/18.12 [2019-03-29 02:06:02,964 INFO L263 BlockEncoder]: Using Maximize final states 25.10/18.12 [2019-03-29 02:06:02,965 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 25.10/18.12 [2019-03-29 02:06:02,965 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 25.10/18.12 [2019-03-29 02:06:02,967 INFO L296 BlockEncoder]: Using Remove sink states 25.10/18.12 [2019-03-29 02:06:02,968 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 25.10/18.12 [2019-03-29 02:06:02,968 INFO L179 BlockEncoder]: Using Rewrite not-equals 25.10/18.12 [2019-03-29 02:06:02,982 INFO L185 BlockEncoder]: Using Use SBE 25.10/18.12 [2019-03-29 02:06:02,995 INFO L200 BlockEncoder]: SBE split 1 edges 25.10/18.12 [2019-03-29 02:06:03,000 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 25.10/18.12 [2019-03-29 02:06:03,001 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.10/18.12 [2019-03-29 02:06:03,010 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 25.10/18.12 [2019-03-29 02:06:03,012 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 25.10/18.12 [2019-03-29 02:06:03,013 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 25.10/18.12 [2019-03-29 02:06:03,013 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.10/18.13 [2019-03-29 02:06:03,014 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 25.10/18.13 [2019-03-29 02:06:03,014 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 25.10/18.13 [2019-03-29 02:06:03,014 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 25.10/18.13 [2019-03-29 02:06:03,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:03 BasicIcfg 25.10/18.13 [2019-03-29 02:06:03,015 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 25.10/18.13 [2019-03-29 02:06:03,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 25.10/18.13 [2019-03-29 02:06:03,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... 25.10/18.13 [2019-03-29 02:06:03,019 INFO L276 PluginConnector]: TraceAbstraction initialized 25.10/18.13 [2019-03-29 02:06:03,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:02" (1/4) ... 25.10/18.13 [2019-03-29 02:06:03,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bac7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (2/4) ... 25.10/18.13 [2019-03-29 02:06:03,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bac7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (3/4) ... 25.10/18.13 [2019-03-29 02:06:03,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59bac7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:03" (4/4) ... 25.10/18.13 [2019-03-29 02:06:03,023 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.10/18.13 [2019-03-29 02:06:03,033 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 25.10/18.13 [2019-03-29 02:06:03,040 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 25.10/18.13 [2019-03-29 02:06:03,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 25.10/18.13 [2019-03-29 02:06:03,087 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.10/18.13 [2019-03-29 02:06:03,088 INFO L382 AbstractCegarLoop]: Interprodecural is true 25.10/18.13 [2019-03-29 02:06:03,088 INFO L383 AbstractCegarLoop]: Hoare is true 25.10/18.13 [2019-03-29 02:06:03,088 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 25.10/18.13 [2019-03-29 02:06:03,088 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 25.10/18.13 [2019-03-29 02:06:03,088 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.10/18.13 [2019-03-29 02:06:03,088 INFO L387 AbstractCegarLoop]: Difference is false 25.10/18.13 [2019-03-29 02:06:03,089 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 25.10/18.13 [2019-03-29 02:06:03,089 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 25.10/18.13 [2019-03-29 02:06:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 25.10/18.13 [2019-03-29 02:06:03,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 25.10/18.13 [2019-03-29 02:06:03,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 25.10/18.13 [2019-03-29 02:06:03,160 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 25.10/18.13 [2019-03-29 02:06:03,160 INFO L451 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: true 25.10/18.13 [2019-03-29 02:06:03,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:03 BasicIcfg 25.10/18.13 [2019-03-29 02:06:03,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 25.10/18.13 [2019-03-29 02:06:03,169 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 25.10/18.13 [2019-03-29 02:06:03,169 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 25.10/18.13 [2019-03-29 02:06:03,173 INFO L276 PluginConnector]: BuchiAutomizer initialized 25.10/18.13 [2019-03-29 02:06:03,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.10/18.13 [2019-03-29 02:06:03,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:02" (1/5) ... 25.10/18.13 [2019-03-29 02:06:03,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20494bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.10/18.13 [2019-03-29 02:06:03,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02" (2/5) ... 25.10/18.13 [2019-03-29 02:06:03,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20494bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.10/18.13 [2019-03-29 02:06:03,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:02" (3/5) ... 25.10/18.13 [2019-03-29 02:06:03,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20494bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.10/18.13 [2019-03-29 02:06:03,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:03" (4/5) ... 25.10/18.13 [2019-03-29 02:06:03,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20494bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:03, skipping insertion in model container 25.10/18.13 [2019-03-29 02:06:03,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.10/18.13 [2019-03-29 02:06:03,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:03" (5/5) ... 25.10/18.13 [2019-03-29 02:06:03,179 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.10/18.13 [2019-03-29 02:06:03,206 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.10/18.13 [2019-03-29 02:06:03,206 INFO L374 BuchiCegarLoop]: Interprodecural is true 25.10/18.13 [2019-03-29 02:06:03,206 INFO L375 BuchiCegarLoop]: Hoare is true 25.10/18.13 [2019-03-29 02:06:03,206 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 25.10/18.13 [2019-03-29 02:06:03,207 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 25.10/18.13 [2019-03-29 02:06:03,207 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.10/18.13 [2019-03-29 02:06:03,207 INFO L379 BuchiCegarLoop]: Difference is false 25.10/18.13 [2019-03-29 02:06:03,207 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 25.10/18.13 [2019-03-29 02:06:03,208 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 25.10/18.13 [2019-03-29 02:06:03,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 25.10/18.13 [2019-03-29 02:06:03,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.10/18.13 [2019-03-29 02:06:03,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.10/18.13 [2019-03-29 02:06:03,229 INFO L119 BuchiIsEmpty]: Starting construction of run 25.10/18.13 [2019-03-29 02:06:03,234 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.10/18.13 [2019-03-29 02:06:03,235 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.10/18.13 [2019-03-29 02:06:03,235 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 25.10/18.13 [2019-03-29 02:06:03,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 25.10/18.13 [2019-03-29 02:06:03,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.10/18.13 [2019-03-29 02:06:03,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.10/18.13 [2019-03-29 02:06:03,236 INFO L119 BuchiIsEmpty]: Starting construction of run 25.10/18.13 [2019-03-29 02:06:03,236 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.10/18.13 [2019-03-29 02:06:03,236 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.10/18.13 [2019-03-29 02:06:03,241 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L28-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet3_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet3_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L28-2true 25.10/18.13 [2019-03-29 02:06:03,242 INFO L796 eck$LassoCheckResult]: Loop: 3#L28-2true [20] L28-2-->L28-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~n~0_7) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (* 2 v_ULTIMATE.start_main_~x~0_8))) (= v_ULTIMATE.start_main_~z~0_6 (+ v_ULTIMATE.start_main_~z~0_8 1)) (<= 0 (+ v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~y~0_7 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L28-2true 25.10/18.13 [2019-03-29 02:06:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.10/18.13 [2019-03-29 02:06:03,248 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times 25.10/18.13 [2019-03-29 02:06:03,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.10/18.13 [2019-03-29 02:06:03,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.10/18.13 [2019-03-29 02:06:03,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.10/18.13 [2019-03-29 02:06:03,326 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times 25.10/18.13 [2019-03-29 02:06:03,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.10/18.13 [2019-03-29 02:06:03,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.10/18.13 [2019-03-29 02:06:03,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.10/18.13 [2019-03-29 02:06:03,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1632, now seen corresponding path program 1 times 25.10/18.13 [2019-03-29 02:06:03,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.10/18.13 [2019-03-29 02:06:03,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.10/18.13 [2019-03-29 02:06:03,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.10/18.13 [2019-03-29 02:06:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.10/18.13 [2019-03-29 02:06:03,429 INFO L216 LassoAnalysis]: Preferences: 25.10/18.13 [2019-03-29 02:06:03,430 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.10/18.13 [2019-03-29 02:06:03,430 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.10/18.13 [2019-03-29 02:06:03,430 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.10/18.13 [2019-03-29 02:06:03,430 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.10/18.13 [2019-03-29 02:06:03,431 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:03,431 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.10/18.13 [2019-03-29 02:06:03,431 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.10/18.13 [2019-03-29 02:06:03,431 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 25.10/18.13 [2019-03-29 02:06:03,431 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.10/18.13 [2019-03-29 02:06:03,432 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.10/18.13 [2019-03-29 02:06:03,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:03,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:03,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:03,576 INFO L300 LassoAnalysis]: Preprocessing complete. 25.10/18.13 [2019-03-29 02:06:03,577 INFO L412 LassoAnalysis]: Checking for nontermination... 25.10/18.13 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.10/18.13 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.10/18.13 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:03,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.10/18.13 [2019-03-29 02:06:03,585 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.10/18.13 [2019-03-29 02:06:03,618 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.10/18.13 [2019-03-29 02:06:03,618 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.10/18.13 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.10/18.13 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.10/18.13 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:03,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.10/18.13 [2019-03-29 02:06:03,627 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.10/18.13 [2019-03-29 02:06:03,655 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.10/18.13 [2019-03-29 02:06:03,655 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.10/18.13 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.10/18.13 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.10/18.13 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:03,660 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.10/18.13 [2019-03-29 02:06:03,660 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.10/18.13 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.10/18.13 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.10/18.13 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:03,692 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.10/18.13 [2019-03-29 02:06:03,693 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.10/18.13 [2019-03-29 02:06:15,704 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 25.10/18.13 [2019-03-29 02:06:15,708 INFO L216 LassoAnalysis]: Preferences: 25.10/18.13 [2019-03-29 02:06:15,708 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.10/18.13 [2019-03-29 02:06:15,708 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.10/18.13 [2019-03-29 02:06:15,708 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.10/18.13 [2019-03-29 02:06:15,708 INFO L127 ssoRankerPreferences]: Use exernal solver: false 25.10/18.13 [2019-03-29 02:06:15,708 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 25.10/18.13 [2019-03-29 02:06:15,709 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.10/18.13 [2019-03-29 02:06:15,709 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.10/18.13 [2019-03-29 02:06:15,709 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 25.10/18.13 [2019-03-29 02:06:15,709 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.10/18.13 [2019-03-29 02:06:15,709 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.10/18.13 [2019-03-29 02:06:15,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:15,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:15,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.10/18.13 [2019-03-29 02:06:15,798 INFO L300 LassoAnalysis]: Preprocessing complete. 25.10/18.13 [2019-03-29 02:06:15,804 INFO L497 LassoAnalysis]: Using template 'affine'. 25.10/18.13 [2019-03-29 02:06:15,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,808 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,813 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,813 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,826 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,826 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.10/18.13 [2019-03-29 02:06:15,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,835 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,837 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,847 INFO L497 LassoAnalysis]: Using template '2-nested'. 25.10/18.13 [2019-03-29 02:06:15,847 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,848 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,849 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,852 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,852 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,859 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,862 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,862 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.10/18.13 [2019-03-29 02:06:15,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,875 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,877 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,890 INFO L497 LassoAnalysis]: Using template '3-nested'. 25.10/18.13 [2019-03-29 02:06:15,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,892 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,896 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,896 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,904 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,907 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,907 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.10/18.13 [2019-03-29 02:06:15,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.10/18.13 Termination analysis: LINEAR_WITH_GUESSES 25.10/18.13 Number of strict supporting invariants: 0 25.10/18.13 Number of non-strict supporting invariants: 1 25.10/18.13 Consider only non-deceasing supporting invariants: true 25.10/18.13 Simplify termination arguments: true 25.10/18.13 Simplify supporting invariants: trueOverapproximate stem: false 25.10/18.13 [2019-03-29 02:06:15,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.10/18.13 [2019-03-29 02:06:15,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.10/18.13 [2019-03-29 02:06:15,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.10/18.13 [2019-03-29 02:06:15,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.10/18.13 [2019-03-29 02:06:15,919 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 25.10/18.13 [2019-03-29 02:06:15,921 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 25.10/18.13 [2019-03-29 02:06:15,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.10/18.13 [2019-03-29 02:06:15,938 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 25.10/18.13 [2019-03-29 02:06:15,960 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 25.10/18.13 [2019-03-29 02:06:15,961 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 25.10/18.13 [2019-03-29 02:06:15,963 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 25.10/18.13 [2019-03-29 02:06:15,963 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 25.10/18.13 [2019-03-29 02:06:15,964 INFO L518 LassoAnalysis]: Proved termination. 25.10/18.13 [2019-03-29 02:06:15,964 INFO L520 LassoAnalysis]: Termination argument consisting of: 25.10/18.13 Ranking function 3-nested ranking function: 25.10/18.13 f0 = -2*ULTIMATE.start_main_~z~0 - 2*ULTIMATE.start_main_~x~0 + 3 25.10/18.13 f1 = 2*ULTIMATE.start_main_~n~0 + 2*ULTIMATE.start_main_~z~0 - 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 25.10/18.13 f2 = 2*ULTIMATE.start_main_~n~0 + 2*ULTIMATE.start_main_~y~0 + 1 25.10/18.13 Supporting invariants [] 25.10/18.13 [2019-03-29 02:06:15,966 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 25.10/18.13 [2019-03-29 02:06:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.10/18.13 [2019-03-29 02:06:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.10/18.13 [2019-03-29 02:06:16,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 25.10/18.13 [2019-03-29 02:06:16,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.10/18.13 [2019-03-29 02:06:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.10/18.13 [2019-03-29 02:06:16,064 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 10 conjunts are in the unsatisfiable core 25.10/18.13 [2019-03-29 02:06:16,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.10/18.13 [2019-03-29 02:06:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.10/18.13 [2019-03-29 02:06:16,111 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 25.10/18.13 [2019-03-29 02:06:16,116 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 25.10/18.13 [2019-03-29 02:06:16,118 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 25.10/18.13 [2019-03-29 02:06:16,139 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 25.10/18.13 [2019-03-29 02:06:16,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 25.10/18.13 [2019-03-29 02:06:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 25.10/18.13 [2019-03-29 02:06:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 25.10/18.13 [2019-03-29 02:06:16,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 25.10/18.13 [2019-03-29 02:06:16,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.10/18.13 [2019-03-29 02:06:16,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 25.10/18.13 [2019-03-29 02:06:16,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.10/18.13 [2019-03-29 02:06:16,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 25.10/18.13 [2019-03-29 02:06:16,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.10/18.13 [2019-03-29 02:06:16,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 25.10/18.13 [2019-03-29 02:06:16,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.10/18.13 [2019-03-29 02:06:16,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 25.10/18.13 [2019-03-29 02:06:16,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 25.10/18.13 [2019-03-29 02:06:16,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 25.10/18.13 [2019-03-29 02:06:16,156 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,156 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,156 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,156 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 25.10/18.13 [2019-03-29 02:06:16,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 25.10/18.13 [2019-03-29 02:06:16,157 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.10/18.13 [2019-03-29 02:06:16,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 25.10/18.13 [2019-03-29 02:06:16,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:16 BasicIcfg 25.10/18.13 [2019-03-29 02:06:16,163 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 25.10/18.13 [2019-03-29 02:06:16,163 INFO L168 Benchmark]: Toolchain (without parser) took 13757.92 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 558.0 MB in the beginning and 503.8 MB in the end (delta: 54.2 MB). Peak memory consumption was 74.1 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,165 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.97 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 558.0 MB in the beginning and 637.3 MB in the end (delta: -79.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 669.5 MB. Free memory was 637.3 MB in the beginning and 636.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,167 INFO L168 Benchmark]: Boogie Preprocessor took 19.20 ms. Allocated memory is still 669.5 MB. Free memory was 636.2 MB in the beginning and 633.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,168 INFO L168 Benchmark]: RCFGBuilder took 201.13 ms. Allocated memory is still 669.5 MB. Free memory was 633.3 MB in the beginning and 619.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,169 INFO L168 Benchmark]: BlockEncodingV2 took 70.32 ms. Allocated memory is still 669.5 MB. Free memory was 619.6 MB in the beginning and 615.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,169 INFO L168 Benchmark]: TraceAbstraction took 152.90 ms. Allocated memory is still 669.5 MB. Free memory was 614.2 MB in the beginning and 605.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,170 INFO L168 Benchmark]: BuchiAutomizer took 12993.68 ms. Allocated memory is still 669.5 MB. Free memory was 605.5 MB in the beginning and 503.8 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 50.3 GB. 25.10/18.13 [2019-03-29 02:06:16,174 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 25.10/18.13 --- Results --- 25.10/18.13 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 25.10/18.13 - StatisticsResult: Initial Icfg 25.10/18.13 6 locations, 7 edges 25.10/18.13 - StatisticsResult: Encoded RCFG 25.10/18.13 2 locations, 2 edges 25.10/18.13 * Results from de.uni_freiburg.informatik.ultimate.core: 25.10/18.13 - StatisticsResult: Toolchain Benchmarks 25.10/18.13 Benchmark results are: 25.10/18.13 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.10/18.13 * CACSL2BoogieTranslator took 280.97 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 558.0 MB in the beginning and 637.3 MB in the end (delta: -79.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 25.10/18.13 * Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 669.5 MB. Free memory was 637.3 MB in the beginning and 636.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 25.10/18.13 * Boogie Preprocessor took 19.20 ms. Allocated memory is still 669.5 MB. Free memory was 636.2 MB in the beginning and 633.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.10/18.13 * RCFGBuilder took 201.13 ms. Allocated memory is still 669.5 MB. Free memory was 633.3 MB in the beginning and 619.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. 25.10/18.13 * BlockEncodingV2 took 70.32 ms. Allocated memory is still 669.5 MB. Free memory was 619.6 MB in the beginning and 615.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 25.10/18.13 * TraceAbstraction took 152.90 ms. Allocated memory is still 669.5 MB. Free memory was 614.2 MB in the beginning and 605.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 25.10/18.13 * BuchiAutomizer took 12993.68 ms. Allocated memory is still 669.5 MB. Free memory was 605.5 MB in the beginning and 503.8 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 50.3 GB. 25.10/18.13 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 25.10/18.13 - AllSpecificationsHoldResult: All specifications hold 25.10/18.13 We were not able to verify any specifiation because the program does not contain any specification. 25.10/18.13 - InvariantResult [Line: 28]: Loop Invariant 25.10/18.13 Derived loop invariant: 1 25.10/18.13 - StatisticsResult: Ultimate Automizer benchmark data 25.10/18.13 CFG has 1 procedures, 2 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=2occurred 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 25.10/18.13 - StatisticsResult: Constructed decomposition of program 25.10/18.13 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 3-nested ranking function (if -2 * z + -2 * x + 3 > 0 then 2 else (if 2 * n + 2 * z + -2 * x + -2 * y + 1 > 0 then 1 else 0)), (if -2 * z + -2 * x + 3 > 0 then -2 * z + -2 * x + 3 else (if 2 * n + 2 * z + -2 * x + -2 * y + 1 > 0 then 2 * n + 2 * z + -2 * x + -2 * y + 1 else 2 * n + 2 * y + 1)) and consists of 2 locations. 25.10/18.13 - StatisticsResult: Timing statistics 25.10/18.13 BüchiAutomizer plugin needed 12.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s 25.10/18.13 - TerminationAnalysisResult: Termination proven 25.10/18.13 Buchi Automizer proved that your program is terminating 25.10/18.13 RESULT: Ultimate proved your program to be correct! 25.10/18.13 !SESSION 2019-03-29 02:05:59.151 ----------------------------------------------- 25.10/18.13 eclipse.buildId=unknown 25.10/18.13 java.version=1.8.0_181 25.10/18.13 java.vendor=Oracle Corporation 25.10/18.13 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 25.10/18.13 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 25.10/18.13 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 25.10/18.13 25.10/18.13 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:16.408 25.10/18.13 !MESSAGE The workspace will exit with unsaved changes in this session. 25.10/18.13 Received shutdown request... 25.10/18.13 Ultimate: 25.10/18.13 GTK+ Version Check 25.10/18.13 EOF