24.62/19.09 YES 24.62/19.09 24.62/19.09 Ultimate: Cannot open display: 24.62/19.09 This is Ultimate 0.1.24-8dc7c08-m 24.62/19.09 [2019-03-28 12:01:32,657 INFO L170 SettingsManager]: Resetting all preferences to default values... 24.62/19.09 [2019-03-28 12:01:32,659 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 24.62/19.09 [2019-03-28 12:01:32,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 24.62/19.09 [2019-03-28 12:01:32,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 24.62/19.09 [2019-03-28 12:01:32,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 24.62/19.09 [2019-03-28 12:01:32,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 24.62/19.09 [2019-03-28 12:01:32,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 24.62/19.09 [2019-03-28 12:01:32,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 24.62/19.09 [2019-03-28 12:01:32,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 24.62/19.09 [2019-03-28 12:01:32,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 24.62/19.09 [2019-03-28 12:01:32,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 24.62/19.09 [2019-03-28 12:01:32,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 24.62/19.09 [2019-03-28 12:01:32,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 24.62/19.09 [2019-03-28 12:01:32,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 24.62/19.09 [2019-03-28 12:01:32,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 24.62/19.09 [2019-03-28 12:01:32,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 24.62/19.09 [2019-03-28 12:01:32,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 24.62/19.09 [2019-03-28 12:01:32,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 24.62/19.09 [2019-03-28 12:01:32,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 24.62/19.09 [2019-03-28 12:01:32,691 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 24.62/19.09 [2019-03-28 12:01:32,692 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 24.62/19.09 [2019-03-28 12:01:32,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 24.62/19.09 [2019-03-28 12:01:32,694 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,694 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 24.62/19.09 [2019-03-28 12:01:32,694 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 24.62/19.09 [2019-03-28 12:01:32,695 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 24.62/19.09 [2019-03-28 12:01:32,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 24.62/19.09 [2019-03-28 12:01:32,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 24.62/19.09 [2019-03-28 12:01:32,698 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 24.62/19.09 [2019-03-28 12:01:32,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 24.62/19.09 [2019-03-28 12:01:32,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 24.62/19.09 [2019-03-28 12:01:32,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 24.62/19.09 [2019-03-28 12:01:32,700 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 24.62/19.09 [2019-03-28 12:01:32,714 INFO L110 SettingsManager]: Loading preferences was successful 24.62/19.09 [2019-03-28 12:01:32,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 24.62/19.09 [2019-03-28 12:01:32,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 24.62/19.09 [2019-03-28 12:01:32,716 INFO L133 SettingsManager]: * Rewrite not-equals=true 24.62/19.09 [2019-03-28 12:01:32,716 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 24.62/19.09 [2019-03-28 12:01:32,716 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 24.62/19.09 [2019-03-28 12:01:32,716 INFO L133 SettingsManager]: * Use SBE=true 24.62/19.09 [2019-03-28 12:01:32,716 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 24.62/19.09 [2019-03-28 12:01:32,717 INFO L133 SettingsManager]: * Use old map elimination=false 24.62/19.09 [2019-03-28 12:01:32,717 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 24.62/19.09 [2019-03-28 12:01:32,717 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 24.62/19.09 [2019-03-28 12:01:32,717 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 24.62/19.09 [2019-03-28 12:01:32,717 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 24.62/19.09 [2019-03-28 12:01:32,718 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 24.62/19.09 [2019-03-28 12:01:32,718 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 24.62/19.09 [2019-03-28 12:01:32,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 24.62/19.09 [2019-03-28 12:01:32,718 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 24.62/19.09 [2019-03-28 12:01:32,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE 24.62/19.09 [2019-03-28 12:01:32,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 24.62/19.09 [2019-03-28 12:01:32,719 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 24.62/19.09 [2019-03-28 12:01:32,719 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 24.62/19.09 [2019-03-28 12:01:32,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 24.62/19.09 [2019-03-28 12:01:32,719 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 24.62/19.09 [2019-03-28 12:01:32,720 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 24.62/19.09 [2019-03-28 12:01:32,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 24.62/19.09 [2019-03-28 12:01:32,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 24.62/19.09 [2019-03-28 12:01:32,720 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 24.62/19.09 [2019-03-28 12:01:32,720 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 24.62/19.09 [2019-03-28 12:01:32,721 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 24.62/19.09 [2019-03-28 12:01:32,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 24.62/19.09 [2019-03-28 12:01:32,762 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 24.62/19.09 [2019-03-28 12:01:32,765 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 24.62/19.09 [2019-03-28 12:01:32,767 INFO L271 PluginConnector]: Initializing CDTParser... 24.62/19.09 [2019-03-28 12:01:32,767 INFO L276 PluginConnector]: CDTParser initialized 24.62/19.09 [2019-03-28 12:01:32,768 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 24.62/19.09 [2019-03-28 12:01:32,832 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3f84b54ffceb4b9a8d2b7f8981bc5671/FLAG05124a7a0 24.62/19.09 [2019-03-28 12:01:33,362 INFO L307 CDTParser]: Found 1 translation units. 24.62/19.09 [2019-03-28 12:01:33,363 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 24.62/19.09 [2019-03-28 12:01:33,369 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3f84b54ffceb4b9a8d2b7f8981bc5671/FLAG05124a7a0 24.62/19.09 [2019-03-28 12:01:33,778 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3f84b54ffceb4b9a8d2b7f8981bc5671 24.62/19.09 [2019-03-28 12:01:33,789 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 24.62/19.09 [2019-03-28 12:01:33,791 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 24.62/19.09 [2019-03-28 12:01:33,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 24.62/19.09 [2019-03-28 12:01:33,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 24.62/19.09 [2019-03-28 12:01:33,796 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 24.62/19.09 [2019-03-28 12:01:33,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:33" (1/1) ... 24.62/19.09 [2019-03-28 12:01:33,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b494062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:33, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:33,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:33" (1/1) ... 24.62/19.09 [2019-03-28 12:01:33,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 24.62/19.09 [2019-03-28 12:01:33,825 INFO L176 MainTranslator]: Built tables and reachable declarations 24.62/19.09 [2019-03-28 12:01:33,982 INFO L206 PostProcessor]: Analyzing one entry point: main 24.62/19.09 [2019-03-28 12:01:33,986 INFO L191 MainTranslator]: Completed pre-run 24.62/19.09 [2019-03-28 12:01:34,002 INFO L206 PostProcessor]: Analyzing one entry point: main 24.62/19.09 [2019-03-28 12:01:34,017 INFO L195 MainTranslator]: Completed translation 24.62/19.09 [2019-03-28 12:01:34,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34 WrapperNode 24.62/19.09 [2019-03-28 12:01:34,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 24.62/19.09 [2019-03-28 12:01:34,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 24.62/19.09 [2019-03-28 12:01:34,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 24.62/19.09 [2019-03-28 12:01:34,019 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 24.62/19.09 [2019-03-28 12:01:34,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 24.62/19.09 [2019-03-28 12:01:34,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 24.62/19.09 [2019-03-28 12:01:34,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 24.62/19.09 [2019-03-28 12:01:34,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized 24.62/19.09 [2019-03-28 12:01:34,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 24.62/19.09 [2019-03-28 12:01:34,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 24.62/19.09 [2019-03-28 12:01:34,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... 24.62/19.09 [2019-03-28 12:01:34,127 INFO L276 PluginConnector]: RCFGBuilder initialized 24.62/19.09 [2019-03-28 12:01:34,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (1/1) ... 24.62/19.09 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 24.62/19.09 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 24.62/19.09 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 24.62/19.09 [2019-03-28 12:01:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 24.62/19.09 [2019-03-28 12:01:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 24.62/19.09 [2019-03-28 12:01:34,346 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 24.62/19.09 [2019-03-28 12:01:34,346 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 24.62/19.09 [2019-03-28 12:01:34,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:34 BoogieIcfgContainer 24.62/19.09 [2019-03-28 12:01:34,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 24.62/19.09 [2019-03-28 12:01:34,348 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 24.62/19.09 [2019-03-28 12:01:34,348 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 24.62/19.09 [2019-03-28 12:01:34,350 INFO L276 PluginConnector]: BlockEncodingV2 initialized 24.62/19.09 [2019-03-28 12:01:34,351 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:34" (1/1) ... 24.62/19.09 [2019-03-28 12:01:34,365 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 24.62/19.09 [2019-03-28 12:01:34,367 INFO L258 BlockEncoder]: Using Remove infeasible edges 24.62/19.09 [2019-03-28 12:01:34,368 INFO L263 BlockEncoder]: Using Maximize final states 24.62/19.09 [2019-03-28 12:01:34,369 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 24.62/19.09 [2019-03-28 12:01:34,370 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 24.62/19.09 [2019-03-28 12:01:34,371 INFO L296 BlockEncoder]: Using Remove sink states 24.62/19.09 [2019-03-28 12:01:34,372 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 24.62/19.09 [2019-03-28 12:01:34,373 INFO L179 BlockEncoder]: Using Rewrite not-equals 24.62/19.09 [2019-03-28 12:01:34,386 INFO L185 BlockEncoder]: Using Use SBE 24.62/19.09 [2019-03-28 12:01:34,400 INFO L200 BlockEncoder]: SBE split 1 edges 24.62/19.09 [2019-03-28 12:01:34,405 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 24.62/19.09 [2019-03-28 12:01:34,406 INFO L71 MaximizeFinalStates]: 0 new accepting states 24.62/19.09 [2019-03-28 12:01:34,415 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 24.62/19.09 [2019-03-28 12:01:34,417 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 24.62/19.09 [2019-03-28 12:01:34,418 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 24.62/19.09 [2019-03-28 12:01:34,418 INFO L71 MaximizeFinalStates]: 0 new accepting states 24.62/19.09 [2019-03-28 12:01:34,418 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 24.62/19.09 [2019-03-28 12:01:34,419 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 24.62/19.09 [2019-03-28 12:01:34,419 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 24.62/19.09 [2019-03-28 12:01:34,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:34 BasicIcfg 24.62/19.09 [2019-03-28 12:01:34,420 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 24.62/19.09 [2019-03-28 12:01:34,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 24.62/19.09 [2019-03-28 12:01:34,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... 24.62/19.09 [2019-03-28 12:01:34,424 INFO L276 PluginConnector]: TraceAbstraction initialized 24.62/19.09 [2019-03-28 12:01:34,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:01:33" (1/4) ... 24.62/19.09 [2019-03-28 12:01:34,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e70988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (2/4) ... 24.62/19.09 [2019-03-28 12:01:34,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e70988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:34" (3/4) ... 24.62/19.09 [2019-03-28 12:01:34,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e70988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:34" (4/4) ... 24.62/19.09 [2019-03-28 12:01:34,428 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 24.62/19.09 [2019-03-28 12:01:34,437 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 24.62/19.09 [2019-03-28 12:01:34,445 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 24.62/19.09 [2019-03-28 12:01:34,462 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 24.62/19.09 [2019-03-28 12:01:34,490 INFO L133 ementStrategyFactory]: Using default assertion order modulation 24.62/19.09 [2019-03-28 12:01:34,490 INFO L382 AbstractCegarLoop]: Interprodecural is true 24.62/19.09 [2019-03-28 12:01:34,490 INFO L383 AbstractCegarLoop]: Hoare is true 24.62/19.09 [2019-03-28 12:01:34,491 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 24.62/19.09 [2019-03-28 12:01:34,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 24.62/19.09 [2019-03-28 12:01:34,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 24.62/19.09 [2019-03-28 12:01:34,491 INFO L387 AbstractCegarLoop]: Difference is false 24.62/19.09 [2019-03-28 12:01:34,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 24.62/19.09 [2019-03-28 12:01:34,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 24.62/19.09 [2019-03-28 12:01:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 24.62/19.09 [2019-03-28 12:01:34,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 24.62/19.09 [2019-03-28 12:01:34,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 24.62/19.09 [2019-03-28 12:01:34,562 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 21) the Hoare annotation is: true 24.62/19.09 [2019-03-28 12:01:34,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 24.62/19.09 [2019-03-28 12:01:34,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:34 BasicIcfg 24.62/19.09 [2019-03-28 12:01:34,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 24.62/19.09 [2019-03-28 12:01:34,571 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 24.62/19.09 [2019-03-28 12:01:34,571 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 24.62/19.09 [2019-03-28 12:01:34,574 INFO L276 PluginConnector]: BuchiAutomizer initialized 24.62/19.09 [2019-03-28 12:01:34,575 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 24.62/19.09 [2019-03-28 12:01:34,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:01:33" (1/5) ... 24.62/19.09 [2019-03-28 12:01:34,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383f4381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,576 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 24.62/19.09 [2019-03-28 12:01:34,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:34" (2/5) ... 24.62/19.09 [2019-03-28 12:01:34,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383f4381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,577 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 24.62/19.09 [2019-03-28 12:01:34,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:34" (3/5) ... 24.62/19.09 [2019-03-28 12:01:34,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383f4381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,578 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 24.62/19.09 [2019-03-28 12:01:34,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:34" (4/5) ... 24.62/19.09 [2019-03-28 12:01:34,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383f4381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:34, skipping insertion in model container 24.62/19.09 [2019-03-28 12:01:34,578 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 24.62/19.09 [2019-03-28 12:01:34,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:34" (5/5) ... 24.62/19.09 [2019-03-28 12:01:34,580 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 24.62/19.09 [2019-03-28 12:01:34,606 INFO L133 ementStrategyFactory]: Using default assertion order modulation 24.62/19.09 [2019-03-28 12:01:34,607 INFO L374 BuchiCegarLoop]: Interprodecural is true 24.62/19.09 [2019-03-28 12:01:34,607 INFO L375 BuchiCegarLoop]: Hoare is true 24.62/19.09 [2019-03-28 12:01:34,607 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 24.62/19.09 [2019-03-28 12:01:34,607 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 24.62/19.09 [2019-03-28 12:01:34,607 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 24.62/19.09 [2019-03-28 12:01:34,607 INFO L379 BuchiCegarLoop]: Difference is false 24.62/19.09 [2019-03-28 12:01:34,608 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 24.62/19.09 [2019-03-28 12:01:34,608 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 24.62/19.09 [2019-03-28 12:01:34,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 24.62/19.09 [2019-03-28 12:01:34,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 24.62/19.09 [2019-03-28 12:01:34,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 24.62/19.09 [2019-03-28 12:01:34,628 INFO L119 BuchiIsEmpty]: Starting construction of run 24.62/19.09 [2019-03-28 12:01:34,633 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 24.62/19.09 [2019-03-28 12:01:34,633 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 24.62/19.09 [2019-03-28 12:01:34,633 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 24.62/19.09 [2019-03-28 12:01:34,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 24.62/19.09 [2019-03-28 12:01:34,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 24.62/19.09 [2019-03-28 12:01:34,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 24.62/19.09 [2019-03-28 12:01:34,634 INFO L119 BuchiIsEmpty]: Starting construction of run 24.62/19.09 [2019-03-28 12:01:34,635 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 24.62/19.09 [2019-03-28 12:01:34,635 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 24.62/19.09 [2019-03-28 12:01:34,640 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L16-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~k~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~ell~0=v_ULTIMATE.start_main_~ell~0_1, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_~k~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~ell~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~i~0] 4#L16-2true 24.62/19.09 [2019-03-28 12:01:34,640 INFO L796 eck$LassoCheckResult]: Loop: 4#L16-2true [24] L16-2-->L16-2: Formula: (and (<= v_ULTIMATE.start_main_~j~0_6 v_ULTIMATE.start_main_~k~0_6) (= v_ULTIMATE.start_main_~i~0_5 v_ULTIMATE.start_main_~j~0_6) (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~ell~0_4 1)) (= v_ULTIMATE.start_main_~k~0_6 (+ v_ULTIMATE.start_main_~k~0_5 1)) (<= v_ULTIMATE.start_main_~i~0_6 100) (= v_ULTIMATE.start_main_~ell~0_4 v_ULTIMATE.start_main_~i~0_6)) InVars {ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_5, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5, ULTIMATE.start_main_~ell~0=v_ULTIMATE.start_main_~ell~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~ell~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~i~0] 4#L16-2true 24.62/19.09 [2019-03-28 12:01:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 24.62/19.09 [2019-03-28 12:01:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 24.62/19.09 [2019-03-28 12:01:34,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 24.62/19.09 [2019-03-28 12:01:34,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 24.62/19.09 [2019-03-28 12:01:34,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 24.62/19.09 [2019-03-28 12:01:34,712 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 24.62/19.09 [2019-03-28 12:01:34,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 24.62/19.09 [2019-03-28 12:01:34,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 24.62/19.09 [2019-03-28 12:01:34,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 24.62/19.09 [2019-03-28 12:01:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times 24.62/19.09 [2019-03-28 12:01:34,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 24.62/19.09 [2019-03-28 12:01:34,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 24.62/19.09 [2019-03-28 12:01:34,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 24.62/19.09 [2019-03-28 12:01:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 24.62/19.09 [2019-03-28 12:01:34,826 INFO L216 LassoAnalysis]: Preferences: 24.62/19.09 [2019-03-28 12:01:34,827 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 24.62/19.09 [2019-03-28 12:01:34,827 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 24.62/19.09 [2019-03-28 12:01:34,827 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 24.62/19.09 [2019-03-28 12:01:34,827 INFO L127 ssoRankerPreferences]: Use exernal solver: true 24.62/19.09 [2019-03-28 12:01:34,827 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 24.62/19.09 [2019-03-28 12:01:34,828 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 24.62/19.09 [2019-03-28 12:01:34,828 INFO L130 ssoRankerPreferences]: Path of dumped script: 24.62/19.09 [2019-03-28 12:01:34,828 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 24.62/19.09 [2019-03-28 12:01:34,828 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 24.62/19.09 [2019-03-28 12:01:34,828 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 24.62/19.09 [2019-03-28 12:01:34,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 24.62/19.09 [2019-03-28 12:01:34,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 24.62/19.09 [2019-03-28 12:01:35,002 INFO L300 LassoAnalysis]: Preprocessing complete. 24.62/19.09 [2019-03-28 12:01:35,003 INFO L412 LassoAnalysis]: Checking for nontermination... 24.62/19.09 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 24.62/19.09 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 24.62/19.09 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 24.62/19.09 [2019-03-28 12:01:35,009 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 24.62/19.09 [2019-03-28 12:01:35,009 INFO L163 nArgumentSynthesizer]: Using integer mode. 24.62/19.09 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 24.62/19.09 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 24.62/19.09 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 24.62/19.09 [2019-03-28 12:01:35,044 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 24.62/19.09 [2019-03-28 12:01:35,044 INFO L163 nArgumentSynthesizer]: Using integer mode. 24.62/19.09 [2019-03-28 12:01:47,098 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 24.62/19.09 [2019-03-28 12:01:47,104 INFO L216 LassoAnalysis]: Preferences: 24.62/19.09 [2019-03-28 12:01:47,104 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 24.62/19.09 [2019-03-28 12:01:47,104 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 24.62/19.09 [2019-03-28 12:01:47,104 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 24.62/19.09 [2019-03-28 12:01:47,104 INFO L127 ssoRankerPreferences]: Use exernal solver: false 24.62/19.09 [2019-03-28 12:01:47,105 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 24.62/19.09 [2019-03-28 12:01:47,105 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 24.62/19.09 [2019-03-28 12:01:47,105 INFO L130 ssoRankerPreferences]: Path of dumped script: 24.62/19.09 [2019-03-28 12:01:47,105 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 24.62/19.09 [2019-03-28 12:01:47,105 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 24.62/19.09 [2019-03-28 12:01:47,105 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 24.62/19.09 [2019-03-28 12:01:47,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 24.62/19.09 [2019-03-28 12:01:47,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 24.62/19.09 [2019-03-28 12:01:47,188 INFO L300 LassoAnalysis]: Preprocessing complete. 24.62/19.09 [2019-03-28 12:01:47,194 INFO L497 LassoAnalysis]: Using template 'affine'. 24.62/19.09 [2019-03-28 12:01:47,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 24.62/19.09 Termination analysis: LINEAR_WITH_GUESSES 24.62/19.09 Number of strict supporting invariants: 0 24.62/19.09 Number of non-strict supporting invariants: 1 24.62/19.09 Consider only non-deceasing supporting invariants: true 24.62/19.09 Simplify termination arguments: true 24.62/19.09 Simplify supporting invariants: trueOverapproximate stem: false 24.62/19.09 [2019-03-28 12:01:47,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. 24.62/19.09 [2019-03-28 12:01:47,198 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 24.62/19.09 [2019-03-28 12:01:47,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 24.62/19.09 [2019-03-28 12:01:47,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 24.62/19.09 [2019-03-28 12:01:47,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 24.62/19.09 [2019-03-28 12:01:47,202 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 24.62/19.09 [2019-03-28 12:01:47,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 24.62/19.09 [2019-03-28 12:01:47,219 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 24.62/19.09 [2019-03-28 12:01:47,234 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 24.62/19.09 [2019-03-28 12:01:47,234 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. 24.62/19.09 [2019-03-28 12:01:47,236 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 24.62/19.09 [2019-03-28 12:01:47,237 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 24.62/19.09 [2019-03-28 12:01:47,237 INFO L518 LassoAnalysis]: Proved termination. 24.62/19.09 [2019-03-28 12:01:47,238 INFO L520 LassoAnalysis]: Termination argument consisting of: 24.62/19.09 Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~j~0 + 101 24.62/19.09 Supporting invariants [] 24.62/19.09 [2019-03-28 12:01:47,240 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 24.62/19.09 [2019-03-28 12:01:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 24.62/19.09 [2019-03-28 12:01:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 24.62/19.09 [2019-03-28 12:01:47,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 24.62/19.09 [2019-03-28 12:01:47,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... 24.62/19.09 [2019-03-28 12:01:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 24.62/19.09 [2019-03-28 12:01:47,294 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core 24.62/19.09 [2019-03-28 12:01:47,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... 24.62/19.09 [2019-03-28 12:01:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 24.62/19.09 [2019-03-28 12:01:47,307 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 24.62/19.09 [2019-03-28 12:01:47,312 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 24.62/19.09 [2019-03-28 12:01:47,313 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 24.62/19.09 [2019-03-28 12:01:47,332 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. 24.62/19.09 [2019-03-28 12:01:47,332 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 24.62/19.09 [2019-03-28 12:01:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 24.62/19.09 [2019-03-28 12:01:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 24.62/19.09 [2019-03-28 12:01:47,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 24.62/19.09 [2019-03-28 12:01:47,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. 24.62/19.09 [2019-03-28 12:01:47,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 24.62/19.09 [2019-03-28 12:01:47,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. 24.62/19.09 [2019-03-28 12:01:47,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 24.62/19.09 [2019-03-28 12:01:47,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. 24.62/19.09 [2019-03-28 12:01:47,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 24.62/19.09 [2019-03-28 12:01:47,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 24.62/19.09 [2019-03-28 12:01:47,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 24.62/19.09 [2019-03-28 12:01:47,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 24.62/19.09 [2019-03-28 12:01:47,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 24.62/19.09 [2019-03-28 12:01:47,348 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,348 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,348 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,349 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 24.62/19.09 [2019-03-28 12:01:47,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 24.62/19.09 [2019-03-28 12:01:47,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 24.62/19.09 [2019-03-28 12:01:47,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 24.62/19.09 [2019-03-28 12:01:47,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:47 BasicIcfg 24.62/19.09 [2019-03-28 12:01:47,355 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 24.62/19.09 [2019-03-28 12:01:47,355 INFO L168 Benchmark]: Toolchain (without parser) took 13565.36 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 559.8 MB in the beginning and 541.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 44.7 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,357 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.78 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 548.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.17 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 548.9 MB in the beginning and 640.4 MB in the end (delta: -91.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,359 INFO L168 Benchmark]: Boogie Preprocessor took 19.51 ms. Allocated memory is still 675.8 MB. Free memory is still 640.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,359 INFO L168 Benchmark]: RCFGBuilder took 221.29 ms. Allocated memory is still 675.8 MB. Free memory was 640.4 MB in the beginning and 627.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,360 INFO L168 Benchmark]: BlockEncodingV2 took 71.65 ms. Allocated memory is still 675.8 MB. Free memory was 627.4 MB in the beginning and 622.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,361 INFO L168 Benchmark]: TraceAbstraction took 150.12 ms. Allocated memory is still 675.8 MB. Free memory was 622.0 MB in the beginning and 612.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,361 INFO L168 Benchmark]: BuchiAutomizer took 12783.75 ms. Allocated memory is still 675.8 MB. Free memory was 612.6 MB in the beginning and 541.4 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 50.3 GB. 24.62/19.09 [2019-03-28 12:01:47,366 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 24.62/19.09 --- Results --- 24.62/19.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 24.62/19.09 - StatisticsResult: Initial Icfg 24.62/19.09 6 locations, 7 edges 24.62/19.09 - StatisticsResult: Encoded RCFG 24.62/19.09 2 locations, 2 edges 24.62/19.09 * Results from de.uni_freiburg.informatik.ultimate.core: 24.62/19.09 - StatisticsResult: Toolchain Benchmarks 24.62/19.09 Benchmark results are: 24.62/19.09 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 24.62/19.09 * CACSL2BoogieTranslator took 225.78 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 548.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 50.3 GB. 24.62/19.09 * Boogie Procedure Inliner took 88.17 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 548.9 MB in the beginning and 640.4 MB in the end (delta: -91.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 24.62/19.09 * Boogie Preprocessor took 19.51 ms. Allocated memory is still 675.8 MB. Free memory is still 640.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 24.62/19.09 * RCFGBuilder took 221.29 ms. Allocated memory is still 675.8 MB. Free memory was 640.4 MB in the beginning and 627.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 24.62/19.09 * BlockEncodingV2 took 71.65 ms. Allocated memory is still 675.8 MB. Free memory was 627.4 MB in the beginning and 622.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 24.62/19.09 * TraceAbstraction took 150.12 ms. Allocated memory is still 675.8 MB. Free memory was 622.0 MB in the beginning and 612.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 24.62/19.09 * BuchiAutomizer took 12783.75 ms. Allocated memory is still 675.8 MB. Free memory was 612.6 MB in the beginning and 541.4 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 50.3 GB. 24.62/19.09 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 24.62/19.09 - AllSpecificationsHoldResult: All specifications hold 24.62/19.09 We were not able to verify any specifiation because the program does not contain any specification. 24.62/19.09 - InvariantResult [Line: 16]: Loop Invariant 24.62/19.09 Derived loop invariant: 1 24.62/19.09 - StatisticsResult: Ultimate Automizer benchmark data 24.62/19.09 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 24.62/19.09 - StatisticsResult: Constructed decomposition of program 24.62/19.09 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function k + -1 * i + -1 * j + 101 and consists of 2 locations. 24.62/19.09 - StatisticsResult: Timing statistics 24.62/19.09 BüchiAutomizer plugin needed 12.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf90 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s 24.62/19.09 - TerminationAnalysisResult: Termination proven 24.62/19.09 Buchi Automizer proved that your program is terminating 24.62/19.09 RESULT: Ultimate proved your program to be correct! 24.62/19.09 !SESSION 2019-03-28 12:01:30.060 ----------------------------------------------- 24.62/19.09 eclipse.buildId=unknown 24.62/19.09 java.version=1.8.0_181 24.62/19.09 java.vendor=Oracle Corporation 24.62/19.09 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 24.62/19.09 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 24.62/19.09 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 24.62/19.09 24.62/19.09 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:01:47.597 24.62/19.09 !MESSAGE The workspace will exit with unsaved changes in this session. 24.62/19.09 Received shutdown request... 24.62/19.09 Ultimate: 24.62/19.09 GTK+ Version Check 24.62/19.09 EOF