14.44/6.60 YES 14.44/6.60 14.44/6.60 Ultimate: Cannot open display: 14.44/6.60 This is Ultimate 0.1.24-8dc7c08-m 14.44/6.60 [2019-03-29 02:06:01,514 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.44/6.60 [2019-03-29 02:06:01,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.44/6.60 [2019-03-29 02:06:01,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.44/6.60 [2019-03-29 02:06:01,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.44/6.60 [2019-03-29 02:06:01,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.44/6.60 [2019-03-29 02:06:01,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.44/6.60 [2019-03-29 02:06:01,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.44/6.60 [2019-03-29 02:06:01,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.44/6.60 [2019-03-29 02:06:01,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.44/6.60 [2019-03-29 02:06:01,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.44/6.60 [2019-03-29 02:06:01,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.44/6.60 [2019-03-29 02:06:01,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.44/6.60 [2019-03-29 02:06:01,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.44/6.60 [2019-03-29 02:06:01,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.44/6.60 [2019-03-29 02:06:01,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.44/6.60 [2019-03-29 02:06:01,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.44/6.60 [2019-03-29 02:06:01,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.44/6.60 [2019-03-29 02:06:01,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.44/6.60 [2019-03-29 02:06:01,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.44/6.60 [2019-03-29 02:06:01,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.44/6.60 [2019-03-29 02:06:01,550 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.44/6.60 [2019-03-29 02:06:01,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.44/6.60 [2019-03-29 02:06:01,551 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,551 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.44/6.60 [2019-03-29 02:06:01,552 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.44/6.60 [2019-03-29 02:06:01,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.44/6.60 [2019-03-29 02:06:01,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.44/6.60 [2019-03-29 02:06:01,554 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.44/6.60 [2019-03-29 02:06:01,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.44/6.60 [2019-03-29 02:06:01,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.44/6.60 [2019-03-29 02:06:01,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.44/6.60 [2019-03-29 02:06:01,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.44/6.60 [2019-03-29 02:06:01,557 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.44/6.60 [2019-03-29 02:06:01,572 INFO L110 SettingsManager]: Loading preferences was successful 14.44/6.60 [2019-03-29 02:06:01,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.44/6.60 [2019-03-29 02:06:01,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.44/6.60 [2019-03-29 02:06:01,574 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.44/6.60 [2019-03-29 02:06:01,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.44/6.60 [2019-03-29 02:06:01,574 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.44/6.60 [2019-03-29 02:06:01,574 INFO L133 SettingsManager]: * Use SBE=true 14.44/6.60 [2019-03-29 02:06:01,575 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.44/6.60 [2019-03-29 02:06:01,575 INFO L133 SettingsManager]: * Use old map elimination=false 14.44/6.60 [2019-03-29 02:06:01,575 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.44/6.60 [2019-03-29 02:06:01,575 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.44/6.60 [2019-03-29 02:06:01,575 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.44/6.60 [2019-03-29 02:06:01,575 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.44/6.60 [2019-03-29 02:06:01,576 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.44/6.60 [2019-03-29 02:06:01,576 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:01,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.44/6.60 [2019-03-29 02:06:01,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.44/6.60 [2019-03-29 02:06:01,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.44/6.60 [2019-03-29 02:06:01,576 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.44/6.60 [2019-03-29 02:06:01,577 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.44/6.60 [2019-03-29 02:06:01,577 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.44/6.60 [2019-03-29 02:06:01,577 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.44/6.60 [2019-03-29 02:06:01,577 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.44/6.60 [2019-03-29 02:06:01,577 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.44/6.60 [2019-03-29 02:06:01,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.44/6.60 [2019-03-29 02:06:01,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.44/6.60 [2019-03-29 02:06:01,578 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.44/6.60 [2019-03-29 02:06:01,578 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.44/6.60 [2019-03-29 02:06:01,578 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.44/6.60 [2019-03-29 02:06:01,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.44/6.60 [2019-03-29 02:06:01,617 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.44/6.60 [2019-03-29 02:06:01,621 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.44/6.60 [2019-03-29 02:06:01,622 INFO L271 PluginConnector]: Initializing CDTParser... 14.44/6.60 [2019-03-29 02:06:01,622 INFO L276 PluginConnector]: CDTParser initialized 14.44/6.60 [2019-03-29 02:06:01,623 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.44/6.60 [2019-03-29 02:06:01,690 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/fbceeb3710e344d4a35080b3559ad3ad/FLAGdcaf70160 14.44/6.60 [2019-03-29 02:06:02,037 INFO L307 CDTParser]: Found 1 translation units. 14.44/6.60 [2019-03-29 02:06:02,037 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.44/6.60 [2019-03-29 02:06:02,044 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/fbceeb3710e344d4a35080b3559ad3ad/FLAGdcaf70160 14.44/6.60 [2019-03-29 02:06:02,455 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/fbceeb3710e344d4a35080b3559ad3ad 14.44/6.60 [2019-03-29 02:06:02,467 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.44/6.60 [2019-03-29 02:06:02,469 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.44/6.60 [2019-03-29 02:06:02,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.44/6.60 [2019-03-29 02:06:02,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.44/6.60 [2019-03-29 02:06:02,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.44/6.60 [2019-03-29 02:06:02,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 14.44/6.60 [2019-03-29 02:06:02,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf63845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:02,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:02" (1/1) ... 14.44/6.60 [2019-03-29 02:06:02,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.44/6.60 [2019-03-29 02:06:02,504 INFO L176 MainTranslator]: Built tables and reachable declarations 14.44/6.60 [2019-03-29 02:06:02,663 INFO L206 PostProcessor]: Analyzing one entry point: main 14.44/6.60 [2019-03-29 02:06:02,668 INFO L191 MainTranslator]: Completed pre-run 14.44/6.60 [2019-03-29 02:06:02,685 INFO L206 PostProcessor]: Analyzing one entry point: main 14.44/6.60 [2019-03-29 02:06:02,700 INFO L195 MainTranslator]: Completed translation 14.44/6.60 [2019-03-29 02:06:02,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:02 WrapperNode 14.44/6.60 [2019-03-29 02:06:02,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.44/6.60 [2019-03-29 02:06:02,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.44/6.60 [2019-03-29 02:06:02,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.44/6.60 [2019-03-29 02:06:02,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.44/6.60 [2019-03-29 02:06:02,775 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) ... 14.44/6.60 [2019-03-29 02:06:02,781 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) ... 14.44/6.60 [2019-03-29 02:06:02,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.44/6.60 [2019-03-29 02:06:02,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.44/6.60 [2019-03-29 02:06:02,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.44/6.60 [2019-03-29 02:06:02,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.44/6.60 [2019-03-29 02:06:02,813 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) ... 14.44/6.60 [2019-03-29 02:06:02,813 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) ... 14.44/6.60 [2019-03-29 02:06:02,813 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) ... 14.44/6.60 [2019-03-29 02:06:02,814 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) ... 14.44/6.60 [2019-03-29 02:06:02,816 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) ... 14.44/6.60 [2019-03-29 02:06:02,821 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) ... 14.44/6.60 [2019-03-29 02:06:02,822 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) ... 14.44/6.60 [2019-03-29 02:06:02,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.44/6.60 [2019-03-29 02:06:02,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.44/6.60 [2019-03-29 02:06:02,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.44/6.60 [2019-03-29 02:06:02,823 INFO L276 PluginConnector]: RCFGBuilder initialized 14.44/6.60 [2019-03-29 02:06:02,824 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) ... 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.44/6.60 [2019-03-29 02:06:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.44/6.60 [2019-03-29 02:06:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.44/6.60 [2019-03-29 02:06:03,017 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.44/6.60 [2019-03-29 02:06:03,018 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 14.44/6.60 [2019-03-29 02:06:03,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:03 BoogieIcfgContainer 14.44/6.60 [2019-03-29 02:06:03,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.44/6.60 [2019-03-29 02:06:03,020 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.44/6.60 [2019-03-29 02:06:03,020 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.44/6.60 [2019-03-29 02:06:03,022 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.44/6.60 [2019-03-29 02:06:03,023 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:03" (1/1) ... 14.44/6.60 [2019-03-29 02:06:03,038 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 14.44/6.60 [2019-03-29 02:06:03,039 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.44/6.60 [2019-03-29 02:06:03,040 INFO L263 BlockEncoder]: Using Maximize final states 14.44/6.60 [2019-03-29 02:06:03,040 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.44/6.60 [2019-03-29 02:06:03,041 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.44/6.60 [2019-03-29 02:06:03,043 INFO L296 BlockEncoder]: Using Remove sink states 14.44/6.60 [2019-03-29 02:06:03,043 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.44/6.60 [2019-03-29 02:06:03,044 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.44/6.60 [2019-03-29 02:06:03,058 INFO L185 BlockEncoder]: Using Use SBE 14.44/6.60 [2019-03-29 02:06:03,065 INFO L200 BlockEncoder]: SBE split 0 edges 14.44/6.60 [2019-03-29 02:06:03,070 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.44/6.60 [2019-03-29 02:06:03,072 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.44/6.60 [2019-03-29 02:06:03,086 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 14.44/6.60 [2019-03-29 02:06:03,089 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.44/6.60 [2019-03-29 02:06:03,091 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.44/6.60 [2019-03-29 02:06:03,091 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.44/6.60 [2019-03-29 02:06:03,091 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.44/6.60 [2019-03-29 02:06:03,091 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.44/6.60 [2019-03-29 02:06:03,092 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.44/6.60 [2019-03-29 02:06:03,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:03 BasicIcfg 14.44/6.60 [2019-03-29 02:06:03,092 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.44/6.60 [2019-03-29 02:06:03,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.44/6.60 [2019-03-29 02:06:03,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.44/6.60 [2019-03-29 02:06:03,097 INFO L276 PluginConnector]: TraceAbstraction initialized 14.44/6.60 [2019-03-29 02:06:03,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:02" (1/4) ... 14.44/6.60 [2019-03-29 02:06:03,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82d19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,098 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) ... 14.44/6.60 [2019-03-29 02:06:03,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82d19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:03" (3/4) ... 14.44/6.60 [2019-03-29 02:06:03,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82d19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,099 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) ... 14.44/6.60 [2019-03-29 02:06:03,101 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.44/6.60 [2019-03-29 02:06:03,111 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.44/6.60 [2019-03-29 02:06:03,120 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.44/6.60 [2019-03-29 02:06:03,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.44/6.60 [2019-03-29 02:06:03,168 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.44/6.60 [2019-03-29 02:06:03,169 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.44/6.60 [2019-03-29 02:06:03,169 INFO L383 AbstractCegarLoop]: Hoare is true 14.44/6.60 [2019-03-29 02:06:03,169 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.44/6.60 [2019-03-29 02:06:03,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.44/6.60 [2019-03-29 02:06:03,169 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.44/6.60 [2019-03-29 02:06:03,170 INFO L387 AbstractCegarLoop]: Difference is false 14.44/6.60 [2019-03-29 02:06:03,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.44/6.60 [2019-03-29 02:06:03,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.44/6.60 [2019-03-29 02:06:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.44/6.60 [2019-03-29 02:06:03,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.44/6.60 [2019-03-29 02:06:03,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.44/6.60 [2019-03-29 02:06:03,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.44/6.60 [2019-03-29 02:06:03,248 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 16) the Hoare annotation is: true 14.44/6.60 [2019-03-29 02:06:03,249 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 18) the Hoare annotation is: true 14.44/6.60 [2019-03-29 02:06:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:03 BasicIcfg 14.44/6.60 [2019-03-29 02:06:03,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.44/6.60 [2019-03-29 02:06:03,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.44/6.60 [2019-03-29 02:06:03,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.44/6.60 [2019-03-29 02:06:03,262 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.44/6.60 [2019-03-29 02:06:03,263 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.44/6.60 [2019-03-29 02:06:03,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:02" (1/5) ... 14.44/6.60 [2019-03-29 02:06:03,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30766e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.44/6.60 [2019-03-29 02:06:03,264 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) ... 14.44/6.60 [2019-03-29 02:06:03,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30766e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.44/6.60 [2019-03-29 02:06:03,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:03" (3/5) ... 14.44/6.60 [2019-03-29 02:06:03,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30766e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.44/6.60 [2019-03-29 02:06:03,265 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) ... 14.44/6.60 [2019-03-29 02:06:03,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30766e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:03, skipping insertion in model container 14.44/6.60 [2019-03-29 02:06:03,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.44/6.60 [2019-03-29 02:06:03,266 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) ... 14.44/6.60 [2019-03-29 02:06:03,268 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.44/6.60 [2019-03-29 02:06:03,295 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.44/6.60 [2019-03-29 02:06:03,295 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.44/6.60 [2019-03-29 02:06:03,296 INFO L375 BuchiCegarLoop]: Hoare is true 14.44/6.60 [2019-03-29 02:06:03,296 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.44/6.60 [2019-03-29 02:06:03,296 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.44/6.60 [2019-03-29 02:06:03,296 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.44/6.60 [2019-03-29 02:06:03,296 INFO L379 BuchiCegarLoop]: Difference is false 14.44/6.60 [2019-03-29 02:06:03,296 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.44/6.60 [2019-03-29 02:06:03,297 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.44/6.60 [2019-03-29 02:06:03,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.44/6.60 [2019-03-29 02:06:03,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.44/6.60 [2019-03-29 02:06:03,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.44/6.60 [2019-03-29 02:06:03,317 INFO L119 BuchiIsEmpty]: Starting construction of run 14.44/6.60 [2019-03-29 02:06:03,322 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.44/6.60 [2019-03-29 02:06:03,323 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.44/6.60 [2019-03-29 02:06:03,323 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.44/6.60 [2019-03-29 02:06:03,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.44/6.60 [2019-03-29 02:06:03,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.44/6.60 [2019-03-29 02:06:03,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.44/6.60 [2019-03-29 02:06:03,324 INFO L119 BuchiIsEmpty]: Starting construction of run 14.44/6.60 [2019-03-29 02:06:03,324 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.44/6.60 [2019-03-29 02:06:03,324 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.44/6.60 [2019-03-29 02:06:03,329 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L10-2true 14.44/6.60 [2019-03-29 02:06:03,330 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L13-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~y~0_9 1) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L13-2true [45] L13-2-->L10-2: Formula: (and (<= v_ULTIMATE.start_main_~x~0_15 v_ULTIMATE.start_main_~y~0_10) (= (+ v_ULTIMATE.start_main_~x~0_15 (- 2)) v_ULTIMATE.start_main_~x~0_14)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_15} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L10-2true 14.44/6.60 [2019-03-29 02:06:03,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:03,336 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:03,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:03,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:03,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:03,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:03,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:03,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:03,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:03,425 INFO L82 PathProgramCache]: Analyzing trace with hash 61797, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:03,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:03,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:03,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:03,494 INFO L216 LassoAnalysis]: Preferences: 14.44/6.60 [2019-03-29 02:06:03,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.44/6.60 [2019-03-29 02:06:03,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.44/6.60 [2019-03-29 02:06:03,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.44/6.60 [2019-03-29 02:06:03,495 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.44/6.60 [2019-03-29 02:06:03,495 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.44/6.60 [2019-03-29 02:06:03,496 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.44/6.60 [2019-03-29 02:06:03,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.44/6.60 [2019-03-29 02:06:03,496 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.44/6.60 [2019-03-29 02:06:03,497 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.44/6.60 [2019-03-29 02:06:03,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,631 INFO L300 LassoAnalysis]: Preprocessing complete. 14.44/6.60 [2019-03-29 02:06:03,632 INFO L412 LassoAnalysis]: Checking for nontermination... 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:03,638 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 [2019-03-29 02:06:03,671 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.44/6.60 [2019-03-29 02:06:03,672 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: [] 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,678 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:03,679 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 [2019-03-29 02:06:03,706 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.44/6.60 [2019-03-29 02:06:03,706 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: [] 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:03,711 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:03,741 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 [2019-03-29 02:06:03,774 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.44/6.60 [2019-03-29 02:06:03,776 INFO L216 LassoAnalysis]: Preferences: 14.44/6.60 [2019-03-29 02:06:03,777 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.44/6.60 [2019-03-29 02:06:03,777 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.44/6.60 [2019-03-29 02:06:03,777 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.44/6.60 [2019-03-29 02:06:03,777 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.44/6.60 [2019-03-29 02:06:03,777 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:03,777 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.44/6.60 [2019-03-29 02:06:03,777 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.44/6.60 [2019-03-29 02:06:03,778 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.44/6.60 [2019-03-29 02:06:03,778 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.44/6.60 [2019-03-29 02:06:03,778 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.44/6.60 [2019-03-29 02:06:03,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:03,883 INFO L300 LassoAnalysis]: Preprocessing complete. 14.44/6.60 [2019-03-29 02:06:03,889 INFO L497 LassoAnalysis]: Using template 'affine'. 14.44/6.60 [2019-03-29 02:06:03,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.44/6.60 Termination analysis: LINEAR_WITH_GUESSES 14.44/6.60 Number of strict supporting invariants: 0 14.44/6.60 Number of non-strict supporting invariants: 1 14.44/6.60 Consider only non-deceasing supporting invariants: true 14.44/6.60 Simplify termination arguments: true 14.44/6.60 Simplify supporting invariants: trueOverapproximate stem: false 14.44/6.60 [2019-03-29 02:06:03,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.44/6.60 [2019-03-29 02:06:03,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.44/6.60 [2019-03-29 02:06:03,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.44/6.60 [2019-03-29 02:06:03,894 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.44/6.60 [2019-03-29 02:06:03,898 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.44/6.60 [2019-03-29 02:06:03,898 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.44/6.60 [2019-03-29 02:06:03,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.44/6.60 [2019-03-29 02:06:03,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.44/6.60 Termination analysis: LINEAR_WITH_GUESSES 14.44/6.60 Number of strict supporting invariants: 0 14.44/6.60 Number of non-strict supporting invariants: 1 14.44/6.60 Consider only non-deceasing supporting invariants: true 14.44/6.60 Simplify termination arguments: true 14.44/6.60 Simplify supporting invariants: trueOverapproximate stem: false 14.44/6.60 [2019-03-29 02:06:03,908 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.44/6.60 [2019-03-29 02:06:03,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.44/6.60 [2019-03-29 02:06:03,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.44/6.60 [2019-03-29 02:06:03,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.44/6.60 [2019-03-29 02:06:03,909 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.44/6.60 [2019-03-29 02:06:03,910 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.44/6.60 [2019-03-29 02:06:03,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.44/6.60 [2019-03-29 02:06:03,918 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.44/6.60 [2019-03-29 02:06:03,924 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.44/6.60 [2019-03-29 02:06:03,925 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.44/6.60 [2019-03-29 02:06:03,927 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.44/6.60 [2019-03-29 02:06:03,927 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.44/6.60 [2019-03-29 02:06:03,927 INFO L518 LassoAnalysis]: Proved termination. 14.44/6.60 [2019-03-29 02:06:03,928 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.44/6.60 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 14.44/6.60 Supporting invariants [] 14.44/6.60 [2019-03-29 02:06:03,929 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.44/6.60 [2019-03-29 02:06:03,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.44/6.60 [2019-03-29 02:06:03,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 14.44/6.60 [2019-03-29 02:06:03,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.44/6.60 [2019-03-29 02:06:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.44/6.60 [2019-03-29 02:06:03,985 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 14.44/6.60 [2019-03-29 02:06:04,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.44/6.60 [2019-03-29 02:06:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.44/6.60 [2019-03-29 02:06:04,052 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.44/6.60 [2019-03-29 02:06:04,057 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 14.44/6.60 [2019-03-29 02:06:04,058 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.44/6.60 [2019-03-29 02:06:04,090 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.44/6.60 [2019-03-29 02:06:04,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.44/6.60 [2019-03-29 02:06:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.44/6.60 [2019-03-29 02:06:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.44/6.60 [2019-03-29 02:06:04,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.44/6.60 [2019-03-29 02:06:04,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.44/6.60 [2019-03-29 02:06:04,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.44/6.60 [2019-03-29 02:06:04,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.44/6.60 [2019-03-29 02:06:04,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.44/6.60 [2019-03-29 02:06:04,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.44/6.60 [2019-03-29 02:06:04,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.44/6.60 [2019-03-29 02:06:04,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.44/6.60 [2019-03-29 02:06:04,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.44/6.60 [2019-03-29 02:06:04,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.44/6.60 [2019-03-29 02:06:04,110 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.44/6.60 [2019-03-29 02:06:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.44/6.60 [2019-03-29 02:06:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.44/6.60 [2019-03-29 02:06:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.44/6.60 [2019-03-29 02:06:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.44/6.60 [2019-03-29 02:06:04,140 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.44/6.60 [2019-03-29 02:06:04,140 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.44/6.60 [2019-03-29 02:06:04,140 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.44/6.60 [2019-03-29 02:06:04,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.44/6.60 [2019-03-29 02:06:04,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.44/6.60 [2019-03-29 02:06:04,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.44/6.60 [2019-03-29 02:06:04,141 INFO L119 BuchiIsEmpty]: Starting construction of run 14.44/6.60 [2019-03-29 02:06:04,141 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.44/6.60 [2019-03-29 02:06:04,141 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.44/6.60 [2019-03-29 02:06:04,142 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 42#L10-2 [39] L10-2-->L13-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~y~0_9 1) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 43#L13-2 14.44/6.60 [2019-03-29 02:06:04,142 INFO L796 eck$LassoCheckResult]: Loop: 43#L13-2 [35] L13-2-->L13-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0] 43#L13-2 14.44/6.60 [2019-03-29 02:06:04,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:04,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1992, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:04,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:04,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:04,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:04,152 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:04,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:04,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:04,159 INFO L82 PathProgramCache]: Analyzing trace with hash 61787, now seen corresponding path program 1 times 14.44/6.60 [2019-03-29 02:06:04,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.44/6.60 [2019-03-29 02:06:04,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.44/6.60 [2019-03-29 02:06:04,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.44/6.60 [2019-03-29 02:06:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.44/6.60 [2019-03-29 02:06:04,185 INFO L216 LassoAnalysis]: Preferences: 14.44/6.60 [2019-03-29 02:06:04,185 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.44/6.60 [2019-03-29 02:06:04,185 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.44/6.60 [2019-03-29 02:06:04,185 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.44/6.60 [2019-03-29 02:06:04,185 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.44/6.60 [2019-03-29 02:06:04,185 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:04,186 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.44/6.60 [2019-03-29 02:06:04,186 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.44/6.60 [2019-03-29 02:06:04,186 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.44/6.60 [2019-03-29 02:06:04,186 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.44/6.60 [2019-03-29 02:06:04,186 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.44/6.60 [2019-03-29 02:06:04,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,246 INFO L300 LassoAnalysis]: Preprocessing complete. 14.44/6.60 [2019-03-29 02:06:04,247 INFO L412 LassoAnalysis]: Checking for nontermination... 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:04,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:04,250 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 [2019-03-29 02:06:04,277 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.44/6.60 [2019-03-29 02:06:04,277 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:04,282 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:04,282 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.44/6.60 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.44/6.60 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:04,312 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.44/6.60 [2019-03-29 02:06:04,312 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.44/6.60 [2019-03-29 02:06:04,524 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.44/6.60 [2019-03-29 02:06:04,526 INFO L216 LassoAnalysis]: Preferences: 14.44/6.60 [2019-03-29 02:06:04,527 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.44/6.60 [2019-03-29 02:06:04,527 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.44/6.60 [2019-03-29 02:06:04,527 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.44/6.60 [2019-03-29 02:06:04,527 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.44/6.60 [2019-03-29 02:06:04,527 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.44/6.60 [2019-03-29 02:06:04,527 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.44/6.60 [2019-03-29 02:06:04,527 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.44/6.60 [2019-03-29 02:06:04,528 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.44/6.60 [2019-03-29 02:06:04,528 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.44/6.60 [2019-03-29 02:06:04,528 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.44/6.60 [2019-03-29 02:06:04,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.44/6.60 [2019-03-29 02:06:04,604 INFO L300 LassoAnalysis]: Preprocessing complete. 14.44/6.60 [2019-03-29 02:06:04,604 INFO L497 LassoAnalysis]: Using template 'affine'. 14.44/6.60 [2019-03-29 02:06:04,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.44/6.60 Termination analysis: LINEAR_WITH_GUESSES 14.44/6.60 Number of strict supporting invariants: 0 14.44/6.60 Number of non-strict supporting invariants: 1 14.44/6.60 Consider only non-deceasing supporting invariants: true 14.44/6.60 Simplify termination arguments: true 14.44/6.60 Simplify supporting invariants: trueOverapproximate stem: false 14.44/6.60 [2019-03-29 02:06:04,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.44/6.60 [2019-03-29 02:06:04,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.44/6.60 [2019-03-29 02:06:04,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.44/6.60 [2019-03-29 02:06:04,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.44/6.60 [2019-03-29 02:06:04,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.44/6.60 [2019-03-29 02:06:04,608 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.44/6.60 [2019-03-29 02:06:04,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.44/6.60 [2019-03-29 02:06:04,614 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.44/6.60 [2019-03-29 02:06:04,619 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.44/6.60 [2019-03-29 02:06:04,620 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.44/6.60 [2019-03-29 02:06:04,620 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.44/6.60 [2019-03-29 02:06:04,620 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.44/6.60 [2019-03-29 02:06:04,621 INFO L518 LassoAnalysis]: Proved termination. 14.44/6.60 [2019-03-29 02:06:04,621 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.44/6.60 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 14.44/6.60 Supporting invariants [] 14.44/6.60 [2019-03-29 02:06:04,621 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.44/6.60 [2019-03-29 02:06:04,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.44/6.60 [2019-03-29 02:06:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.44/6.60 [2019-03-29 02:06:04,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 14.44/6.60 [2019-03-29 02:06:04,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.44/6.60 [2019-03-29 02:06:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.44/6.60 [2019-03-29 02:06:04,656 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.44/6.60 [2019-03-29 02:06:04,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.44/6.60 [2019-03-29 02:06:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.44/6.60 [2019-03-29 02:06:04,657 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.44/6.60 [2019-03-29 02:06:04,658 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 1 loop predicates 14.44/6.60 [2019-03-29 02:06:04,658 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.44/6.60 [2019-03-29 02:06:04,682 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. 14.44/6.60 [2019-03-29 02:06:04,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.44/6.60 [2019-03-29 02:06:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.44/6.60 [2019-03-29 02:06:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.44/6.60 [2019-03-29 02:06:04,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.44/6.60 [2019-03-29 02:06:04,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.44/6.60 [2019-03-29 02:06:04,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.44/6.60 [2019-03-29 02:06:04,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.44/6.60 [2019-03-29 02:06:04,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.44/6.60 [2019-03-29 02:06:04,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.44/6.60 [2019-03-29 02:06:04,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.44/6.60 [2019-03-29 02:06:04,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.44/6.60 [2019-03-29 02:06:04,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.44/6.60 [2019-03-29 02:06:04,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.44/6.60 [2019-03-29 02:06:04,689 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.44/6.60 [2019-03-29 02:06:04,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.44/6.60 [2019-03-29 02:06:04,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:04 BasicIcfg 14.44/6.60 [2019-03-29 02:06:04,696 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.44/6.60 [2019-03-29 02:06:04,696 INFO L168 Benchmark]: Toolchain (without parser) took 2228.93 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 565.2 MB in the beginning and 470.4 MB in the end (delta: 94.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,698 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.81 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.75 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 554.4 MB in the beginning and 637.8 MB in the end (delta: -83.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,700 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 671.6 MB. Free memory was 637.8 MB in the beginning and 636.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,701 INFO L168 Benchmark]: RCFGBuilder took 196.36 ms. Allocated memory is still 671.6 MB. Free memory was 636.1 MB in the beginning and 621.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,702 INFO L168 Benchmark]: BlockEncodingV2 took 72.71 ms. Allocated memory is still 671.6 MB. Free memory was 621.8 MB in the beginning and 616.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,702 INFO L168 Benchmark]: TraceAbstraction took 164.17 ms. Allocated memory is still 671.6 MB. Free memory was 615.3 MB in the beginning and 607.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,703 INFO L168 Benchmark]: BuchiAutomizer took 1437.84 ms. Allocated memory is still 671.6 MB. Free memory was 607.1 MB in the beginning and 470.4 MB in the end (delta: 136.7 MB). Peak memory consumption was 136.7 MB. Max. memory is 50.3 GB. 14.44/6.60 [2019-03-29 02:06:04,708 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.44/6.60 --- Results --- 14.44/6.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.44/6.60 - StatisticsResult: Initial Icfg 14.44/6.60 8 locations, 11 edges 14.44/6.60 - StatisticsResult: Encoded RCFG 14.44/6.60 3 locations, 4 edges 14.44/6.60 * Results from de.uni_freiburg.informatik.ultimate.core: 14.44/6.60 - StatisticsResult: Toolchain Benchmarks 14.44/6.60 Benchmark results are: 14.44/6.60 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.44/6.60 * CACSL2BoogieTranslator took 231.81 ms. Allocated memory is still 649.6 MB. Free memory was 563.9 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.44/6.60 * Boogie Procedure Inliner took 100.75 ms. Allocated memory was 649.6 MB in the beginning and 671.6 MB in the end (delta: 22.0 MB). Free memory was 554.4 MB in the beginning and 637.8 MB in the end (delta: -83.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 14.44/6.60 * Boogie Preprocessor took 20.01 ms. Allocated memory is still 671.6 MB. Free memory was 637.8 MB in the beginning and 636.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.44/6.60 * RCFGBuilder took 196.36 ms. Allocated memory is still 671.6 MB. Free memory was 636.1 MB in the beginning and 621.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 14.44/6.60 * BlockEncodingV2 took 72.71 ms. Allocated memory is still 671.6 MB. Free memory was 621.8 MB in the beginning and 616.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 14.44/6.60 * TraceAbstraction took 164.17 ms. Allocated memory is still 671.6 MB. Free memory was 615.3 MB in the beginning and 607.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 14.44/6.60 * BuchiAutomizer took 1437.84 ms. Allocated memory is still 671.6 MB. Free memory was 607.1 MB in the beginning and 470.4 MB in the end (delta: 136.7 MB). Peak memory consumption was 136.7 MB. Max. memory is 50.3 GB. 14.44/6.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.44/6.60 - AllSpecificationsHoldResult: All specifications hold 14.44/6.60 We were not able to verify any specifiation because the program does not contain any specification. 14.44/6.60 - InvariantResult [Line: 13]: Loop Invariant 14.44/6.60 Derived loop invariant: 1 14.44/6.60 - InvariantResult [Line: 10]: Loop Invariant 14.44/6.60 Derived loop invariant: 1 14.44/6.60 - StatisticsResult: Ultimate Automizer benchmark data 14.44/6.60 CFG has 1 procedures, 3 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=3occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.44/6.60 - StatisticsResult: Constructed decomposition of program 14.44/6.60 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 3 locations. 14.44/6.60 - StatisticsResult: Timing statistics 14.44/6.60 BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax173 hnf100 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf93 smp94 dnf100 smp100 tf111 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.44/6.60 - TerminationAnalysisResult: Termination proven 14.44/6.60 Buchi Automizer proved that your program is terminating 14.44/6.60 RESULT: Ultimate proved your program to be correct! 14.44/6.60 !SESSION 2019-03-29 02:05:59.179 ----------------------------------------------- 14.44/6.60 eclipse.buildId=unknown 14.44/6.60 java.version=1.8.0_181 14.44/6.60 java.vendor=Oracle Corporation 14.44/6.60 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.44/6.60 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.44/6.60 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.44/6.60 14.44/6.60 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:04.946 14.44/6.60 !MESSAGE The workspace will exit with unsaved changes in this session. 14.44/6.60 Received shutdown request... 14.44/6.60 Ultimate: 14.44/6.60 GTK+ Version Check 14.44/6.60 EOF