13.02/6.33 YES 13.02/6.33 13.02/6.33 Ultimate: Cannot open display: 13.02/6.33 This is Ultimate 0.1.24-8dc7c08-m 13.02/6.33 [2019-03-28 12:18:02,020 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.02/6.33 [2019-03-28 12:18:02,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.02/6.33 [2019-03-28 12:18:02,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.02/6.33 [2019-03-28 12:18:02,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.02/6.33 [2019-03-28 12:18:02,036 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.02/6.33 [2019-03-28 12:18:02,038 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.02/6.33 [2019-03-28 12:18:02,040 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.02/6.33 [2019-03-28 12:18:02,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.02/6.33 [2019-03-28 12:18:02,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.02/6.33 [2019-03-28 12:18:02,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.02/6.33 [2019-03-28 12:18:02,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.02/6.33 [2019-03-28 12:18:02,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.02/6.33 [2019-03-28 12:18:02,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.02/6.33 [2019-03-28 12:18:02,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.02/6.33 [2019-03-28 12:18:02,047 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.02/6.33 [2019-03-28 12:18:02,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.02/6.33 [2019-03-28 12:18:02,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.02/6.33 [2019-03-28 12:18:02,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.02/6.33 [2019-03-28 12:18:02,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.02/6.33 [2019-03-28 12:18:02,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.02/6.33 [2019-03-28 12:18:02,056 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.02/6.33 [2019-03-28 12:18:02,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.02/6.33 [2019-03-28 12:18:02,057 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.02/6.33 [2019-03-28 12:18:02,058 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.02/6.33 [2019-03-28 12:18:02,059 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.02/6.33 [2019-03-28 12:18:02,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.02/6.33 [2019-03-28 12:18:02,060 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.02/6.33 [2019-03-28 12:18:02,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,061 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.02/6.33 [2019-03-28 12:18:02,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.02/6.33 [2019-03-28 12:18:02,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.02/6.33 [2019-03-28 12:18:02,063 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.02/6.33 [2019-03-28 12:18:02,064 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.02/6.33 [2019-03-28 12:18:02,078 INFO L110 SettingsManager]: Loading preferences was successful 13.02/6.33 [2019-03-28 12:18:02,079 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.02/6.33 [2019-03-28 12:18:02,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.02/6.33 [2019-03-28 12:18:02,080 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.02/6.33 [2019-03-28 12:18:02,080 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.02/6.33 [2019-03-28 12:18:02,080 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.02/6.33 [2019-03-28 12:18:02,080 INFO L133 SettingsManager]: * Use SBE=true 13.02/6.33 [2019-03-28 12:18:02,081 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.02/6.33 [2019-03-28 12:18:02,081 INFO L133 SettingsManager]: * Use old map elimination=false 13.02/6.33 [2019-03-28 12:18:02,081 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.02/6.33 [2019-03-28 12:18:02,081 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.02/6.33 [2019-03-28 12:18:02,081 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.02/6.33 [2019-03-28 12:18:02,081 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.02/6.33 [2019-03-28 12:18:02,082 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.02/6.33 [2019-03-28 12:18:02,082 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.02/6.33 [2019-03-28 12:18:02,082 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.02/6.33 [2019-03-28 12:18:02,082 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.02/6.33 [2019-03-28 12:18:02,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.02/6.33 [2019-03-28 12:18:02,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.02/6.33 [2019-03-28 12:18:02,083 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.02/6.33 [2019-03-28 12:18:02,083 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.02/6.33 [2019-03-28 12:18:02,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.02/6.33 [2019-03-28 12:18:02,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.02/6.33 [2019-03-28 12:18:02,083 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.02/6.33 [2019-03-28 12:18:02,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.02/6.33 [2019-03-28 12:18:02,084 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.02/6.33 [2019-03-28 12:18:02,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.02/6.33 [2019-03-28 12:18:02,084 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.02/6.33 [2019-03-28 12:18:02,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.02/6.33 [2019-03-28 12:18:02,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.02/6.33 [2019-03-28 12:18:02,123 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.02/6.33 [2019-03-28 12:18:02,126 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.02/6.33 [2019-03-28 12:18:02,128 INFO L271 PluginConnector]: Initializing CDTParser... 13.02/6.33 [2019-03-28 12:18:02,128 INFO L276 PluginConnector]: CDTParser initialized 13.02/6.33 [2019-03-28 12:18:02,129 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.02/6.33 [2019-03-28 12:18:02,197 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/439f811a770b46c2925d572599cae019/FLAG8e975f47c 13.02/6.33 [2019-03-28 12:18:02,532 INFO L307 CDTParser]: Found 1 translation units. 13.02/6.33 [2019-03-28 12:18:02,533 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.02/6.33 [2019-03-28 12:18:02,549 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/439f811a770b46c2925d572599cae019/FLAG8e975f47c 13.02/6.33 [2019-03-28 12:18:02,959 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/439f811a770b46c2925d572599cae019 13.02/6.33 [2019-03-28 12:18:02,970 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.02/6.33 [2019-03-28 12:18:02,972 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.02/6.33 [2019-03-28 12:18:02,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.02/6.33 [2019-03-28 12:18:02,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.02/6.33 [2019-03-28 12:18:02,977 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.02/6.33 [2019-03-28 12:18:02,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:02" (1/1) ... 13.02/6.33 [2019-03-28 12:18:02,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60526d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:02, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:02,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:18:02" (1/1) ... 13.02/6.33 [2019-03-28 12:18:02,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.02/6.33 [2019-03-28 12:18:03,006 INFO L176 MainTranslator]: Built tables and reachable declarations 13.02/6.33 [2019-03-28 12:18:03,163 INFO L206 PostProcessor]: Analyzing one entry point: main 13.02/6.33 [2019-03-28 12:18:03,167 INFO L191 MainTranslator]: Completed pre-run 13.02/6.33 [2019-03-28 12:18:03,183 INFO L206 PostProcessor]: Analyzing one entry point: main 13.02/6.33 [2019-03-28 12:18:03,260 INFO L195 MainTranslator]: Completed translation 13.02/6.33 [2019-03-28 12:18:03,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03 WrapperNode 13.02/6.33 [2019-03-28 12:18:03,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.02/6.33 [2019-03-28 12:18:03,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.02/6.33 [2019-03-28 12:18:03,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.02/6.33 [2019-03-28 12:18:03,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.02/6.33 [2019-03-28 12:18:03,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.02/6.33 [2019-03-28 12:18:03,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.02/6.33 [2019-03-28 12:18:03,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.02/6.33 [2019-03-28 12:18:03,301 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.02/6.33 [2019-03-28 12:18:03,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.02/6.33 [2019-03-28 12:18:03,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.02/6.33 [2019-03-28 12:18:03,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.02/6.33 [2019-03-28 12:18:03,323 INFO L276 PluginConnector]: RCFGBuilder initialized 13.02/6.33 [2019-03-28 12:18:03,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (1/1) ... 13.02/6.33 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.02/6.33 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.02/6.33 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.02/6.33 [2019-03-28 12:18:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.02/6.33 [2019-03-28 12:18:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.02/6.33 [2019-03-28 12:18:03,539 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.02/6.33 [2019-03-28 12:18:03,539 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 13.02/6.33 [2019-03-28 12:18:03,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:03 BoogieIcfgContainer 13.02/6.33 [2019-03-28 12:18:03,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.02/6.33 [2019-03-28 12:18:03,541 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.02/6.33 [2019-03-28 12:18:03,541 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.02/6.33 [2019-03-28 12:18:03,544 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.02/6.33 [2019-03-28 12:18:03,545 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:03" (1/1) ... 13.02/6.33 [2019-03-28 12:18:03,560 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 13.02/6.33 [2019-03-28 12:18:03,562 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.02/6.33 [2019-03-28 12:18:03,563 INFO L263 BlockEncoder]: Using Maximize final states 13.02/6.33 [2019-03-28 12:18:03,564 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.02/6.33 [2019-03-28 12:18:03,564 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.02/6.33 [2019-03-28 12:18:03,566 INFO L296 BlockEncoder]: Using Remove sink states 13.02/6.33 [2019-03-28 12:18:03,567 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.02/6.33 [2019-03-28 12:18:03,567 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.02/6.33 [2019-03-28 12:18:03,583 INFO L185 BlockEncoder]: Using Use SBE 13.02/6.33 [2019-03-28 12:18:03,593 INFO L200 BlockEncoder]: SBE split 0 edges 13.02/6.33 [2019-03-28 12:18:03,598 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.02/6.33 [2019-03-28 12:18:03,600 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.02/6.33 [2019-03-28 12:18:03,612 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 13.02/6.33 [2019-03-28 12:18:03,614 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 13.02/6.33 [2019-03-28 12:18:03,616 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.02/6.33 [2019-03-28 12:18:03,616 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.02/6.33 [2019-03-28 12:18:03,622 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.02/6.33 [2019-03-28 12:18:03,623 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.02/6.33 [2019-03-28 12:18:03,623 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.02/6.33 [2019-03-28 12:18:03,623 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.02/6.33 [2019-03-28 12:18:03,623 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.02/6.33 [2019-03-28 12:18:03,624 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.02/6.33 [2019-03-28 12:18:03,624 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.02/6.33 [2019-03-28 12:18:03,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:03 BasicIcfg 13.02/6.33 [2019-03-28 12:18:03,625 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.02/6.33 [2019-03-28 12:18:03,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.02/6.33 [2019-03-28 12:18:03,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.02/6.33 [2019-03-28 12:18:03,629 INFO L276 PluginConnector]: TraceAbstraction initialized 13.02/6.33 [2019-03-28 12:18:03,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:18:02" (1/4) ... 13.02/6.33 [2019-03-28 12:18:03,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afedb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (2/4) ... 13.02/6.33 [2019-03-28 12:18:03,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afedb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:03" (3/4) ... 13.02/6.33 [2019-03-28 12:18:03,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afedb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:03" (4/4) ... 13.02/6.33 [2019-03-28 12:18:03,634 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.02/6.33 [2019-03-28 12:18:03,644 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.02/6.33 [2019-03-28 12:18:03,652 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.02/6.33 [2019-03-28 12:18:03,669 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.02/6.33 [2019-03-28 12:18:03,698 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.02/6.33 [2019-03-28 12:18:03,699 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.02/6.33 [2019-03-28 12:18:03,699 INFO L383 AbstractCegarLoop]: Hoare is true 13.02/6.33 [2019-03-28 12:18:03,699 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.02/6.33 [2019-03-28 12:18:03,699 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.02/6.33 [2019-03-28 12:18:03,700 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.02/6.33 [2019-03-28 12:18:03,700 INFO L387 AbstractCegarLoop]: Difference is false 13.02/6.33 [2019-03-28 12:18:03,700 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.02/6.33 [2019-03-28 12:18:03,700 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.02/6.33 [2019-03-28 12:18:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.02/6.33 [2019-03-28 12:18:03,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.02/6.33 [2019-03-28 12:18:03,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.02/6.33 [2019-03-28 12:18:03,772 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.02/6.33 [2019-03-28 12:18:03,773 INFO L451 ceAbstractionStarter]: At program point L9-2(lines 9 15) the Hoare annotation is: true 13.02/6.33 [2019-03-28 12:18:03,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:03 BasicIcfg 13.02/6.33 [2019-03-28 12:18:03,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.02/6.33 [2019-03-28 12:18:03,781 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.02/6.33 [2019-03-28 12:18:03,781 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.02/6.33 [2019-03-28 12:18:03,785 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.02/6.33 [2019-03-28 12:18:03,785 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/6.33 [2019-03-28 12:18:03,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:18:02" (1/5) ... 13.02/6.33 [2019-03-28 12:18:03,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,786 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/6.33 [2019-03-28 12:18:03,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:18:03" (2/5) ... 13.02/6.33 [2019-03-28 12:18:03,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,787 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/6.33 [2019-03-28 12:18:03,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:18:03" (3/5) ... 13.02/6.33 [2019-03-28 12:18:03,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,788 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/6.33 [2019-03-28 12:18:03,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:18:03" (4/5) ... 13.02/6.33 [2019-03-28 12:18:03,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a785e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:03, skipping insertion in model container 13.02/6.33 [2019-03-28 12:18:03,788 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.02/6.33 [2019-03-28 12:18:03,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:18:03" (5/5) ... 13.02/6.33 [2019-03-28 12:18:03,790 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.02/6.33 [2019-03-28 12:18:03,817 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.02/6.33 [2019-03-28 12:18:03,817 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.02/6.33 [2019-03-28 12:18:03,818 INFO L375 BuchiCegarLoop]: Hoare is true 13.02/6.33 [2019-03-28 12:18:03,818 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.02/6.33 [2019-03-28 12:18:03,818 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.02/6.33 [2019-03-28 12:18:03,818 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.02/6.33 [2019-03-28 12:18:03,818 INFO L379 BuchiCegarLoop]: Difference is false 13.02/6.33 [2019-03-28 12:18:03,818 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.02/6.33 [2019-03-28 12:18:03,819 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.02/6.33 [2019-03-28 12:18:03,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.02/6.33 [2019-03-28 12:18:03,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.02/6.33 [2019-03-28 12:18:03,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.02/6.33 [2019-03-28 12:18:03,841 INFO L119 BuchiIsEmpty]: Starting construction of run 13.02/6.33 [2019-03-28 12:18:03,846 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.02/6.33 [2019-03-28 12:18:03,847 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.02/6.33 [2019-03-28 12:18:03,847 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.02/6.33 [2019-03-28 12:18:03,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.02/6.33 [2019-03-28 12:18:03,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.02/6.33 [2019-03-28 12:18:03,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.02/6.33 [2019-03-28 12:18:03,848 INFO L119 BuchiIsEmpty]: Starting construction of run 13.02/6.33 [2019-03-28 12:18:03,848 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.02/6.33 [2019-03-28 12:18:03,848 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.02/6.33 [2019-03-28 12:18:03,853 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L9-2: Formula: (and (= |v_ULTIMATE.start_test_fun_#in~z_2| v_ULTIMATE.start_test_fun_~z_11) (= |v_ULTIMATE.start_test_fun_#in~x_2| |v_ULTIMATE.start_main_#t~nondet0_5|) (= |v_ULTIMATE.start_test_fun_#in~y_2| |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_test_fun_~x_6 |v_ULTIMATE.start_test_fun_#in~x_2|) (= v_ULTIMATE.start_test_fun_~y_7 |v_ULTIMATE.start_test_fun_#in~y_2|) (< 0 v_ULTIMATE.start_test_fun_~y_7) (= |v_ULTIMATE.start_test_fun_#in~z_2| |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_9|, ULTIMATE.start_test_fun_#in~z=|v_ULTIMATE.start_test_fun_#in~z_2|, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_2|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_6|, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_11, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_2|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_#in~z, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_test_fun_~z, ULTIMATE.start_test_fun_#in~x] 4#L9-2true 13.02/6.33 [2019-03-28 12:18:03,854 INFO L796 eck$LassoCheckResult]: Loop: 4#L9-2true [49] L9-2-->L9-2: Formula: (and (<= v_ULTIMATE.start_test_fun_~z_13 v_ULTIMATE.start_test_fun_~x_7) (= (+ v_ULTIMATE.start_test_fun_~y_8 v_ULTIMATE.start_test_fun_~z_13) v_ULTIMATE.start_test_fun_~z_12) (< 0 v_ULTIMATE.start_test_fun_~y_8)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_8, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_13} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_8, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7, ULTIMATE.start_test_fun_~z=v_ULTIMATE.start_test_fun_~z_12} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~z] 4#L9-2true 13.02/6.33 [2019-03-28 12:18:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/6.33 [2019-03-28 12:18:03,860 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 13.02/6.33 [2019-03-28 12:18:03,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/6.33 [2019-03-28 12:18:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/6.33 [2019-03-28 12:18:03,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/6.33 [2019-03-28 12:18:03,943 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 1 times 13.02/6.33 [2019-03-28 12:18:03,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/6.33 [2019-03-28 12:18:03,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/6.33 [2019-03-28 12:18:03,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/6.33 [2019-03-28 12:18:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2498, now seen corresponding path program 1 times 13.02/6.33 [2019-03-28 12:18:03,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.02/6.33 [2019-03-28 12:18:03,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.02/6.33 [2019-03-28 12:18:03,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.02/6.33 [2019-03-28 12:18:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.02/6.33 [2019-03-28 12:18:04,015 INFO L216 LassoAnalysis]: Preferences: 13.02/6.33 [2019-03-28 12:18:04,017 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.02/6.33 [2019-03-28 12:18:04,017 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.02/6.33 [2019-03-28 12:18:04,017 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.02/6.33 [2019-03-28 12:18:04,017 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.02/6.33 [2019-03-28 12:18:04,017 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.02/6.33 [2019-03-28 12:18:04,018 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.02/6.33 [2019-03-28 12:18:04,018 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.02/6.33 [2019-03-28 12:18:04,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.02/6.33 [2019-03-28 12:18:04,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.02/6.33 [2019-03-28 12:18:04,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.02/6.33 [2019-03-28 12:18:04,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.02/6.33 [2019-03-28 12:18:04,096 INFO L300 LassoAnalysis]: Preprocessing complete. 13.02/6.33 [2019-03-28 12:18:04,097 INFO L412 LassoAnalysis]: Checking for nontermination... 13.02/6.33 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.02/6.33 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.02/6.33 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.02/6.33 [2019-03-28 12:18:04,104 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.02/6.33 [2019-03-28 12:18:04,104 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.02/6.33 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.02/6.33 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.02/6.33 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.02/6.33 [2019-03-28 12:18:04,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.02/6.33 [2019-03-28 12:18:04,141 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.02/6.33 [2019-03-28 12:18:04,636 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.02/6.33 [2019-03-28 12:18:04,639 INFO L216 LassoAnalysis]: Preferences: 13.02/6.33 [2019-03-28 12:18:04,639 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.02/6.33 [2019-03-28 12:18:04,639 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.02/6.33 [2019-03-28 12:18:04,640 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.02/6.33 [2019-03-28 12:18:04,640 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.02/6.33 [2019-03-28 12:18:04,640 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.02/6.33 [2019-03-28 12:18:04,640 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.02/6.33 [2019-03-28 12:18:04,640 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.02/6.33 [2019-03-28 12:18:04,640 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.02/6.33 [2019-03-28 12:18:04,640 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.02/6.33 [2019-03-28 12:18:04,641 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.02/6.33 [2019-03-28 12:18:04,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.02/6.33 [2019-03-28 12:18:04,676 INFO L300 LassoAnalysis]: Preprocessing complete. 13.02/6.33 [2019-03-28 12:18:04,683 INFO L497 LassoAnalysis]: Using template 'affine'. 13.02/6.33 [2019-03-28 12:18:04,684 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.02/6.33 Termination analysis: LINEAR_WITH_GUESSES 13.02/6.33 Number of strict supporting invariants: 0 13.02/6.33 Number of non-strict supporting invariants: 1 13.02/6.33 Consider only non-deceasing supporting invariants: true 13.02/6.33 Simplify termination arguments: true 13.02/6.33 Simplify supporting invariants: trueOverapproximate stem: false 13.02/6.33 [2019-03-28 12:18:04,686 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.02/6.33 [2019-03-28 12:18:04,686 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.02/6.33 [2019-03-28 12:18:04,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.02/6.33 [2019-03-28 12:18:04,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.02/6.33 [2019-03-28 12:18:04,687 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.02/6.33 [2019-03-28 12:18:04,690 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.02/6.33 [2019-03-28 12:18:04,690 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.02/6.33 [2019-03-28 12:18:04,698 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.02/6.33 [2019-03-28 12:18:04,709 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.02/6.33 [2019-03-28 12:18:04,709 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 13.02/6.33 [2019-03-28 12:18:04,711 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.02/6.33 [2019-03-28 12:18:04,711 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.02/6.33 [2019-03-28 12:18:04,712 INFO L518 LassoAnalysis]: Proved termination. 13.02/6.33 [2019-03-28 12:18:04,713 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.02/6.33 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~z) = 2*ULTIMATE.start_test_fun_~x - 2*ULTIMATE.start_test_fun_~z + 1 13.02/6.33 Supporting invariants [] 13.02/6.33 [2019-03-28 12:18:04,714 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.02/6.33 [2019-03-28 12:18:04,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.02/6.33 [2019-03-28 12:18:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.02/6.33 [2019-03-28 12:18:04,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core 13.02/6.33 [2019-03-28 12:18:04,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.02/6.33 [2019-03-28 12:18:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.02/6.33 [2019-03-28 12:18:04,775 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 13.02/6.33 [2019-03-28 12:18:04,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.02/6.33 [2019-03-28 12:18:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.02/6.33 [2019-03-28 12:18:04,789 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.02/6.33 [2019-03-28 12:18:04,794 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 13.02/6.33 [2019-03-28 12:18:04,795 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.02/6.33 [2019-03-28 12:18:04,815 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. 13.02/6.33 [2019-03-28 12:18:04,816 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 13.02/6.33 [2019-03-28 12:18:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.02/6.33 [2019-03-28 12:18:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.02/6.33 [2019-03-28 12:18:04,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.02/6.33 [2019-03-28 12:18:04,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.02/6.33 [2019-03-28 12:18:04,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.02/6.33 [2019-03-28 12:18:04,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.02/6.33 [2019-03-28 12:18:04,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.02/6.33 [2019-03-28 12:18:04,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.02/6.33 [2019-03-28 12:18:04,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.02/6.33 [2019-03-28 12:18:04,827 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.02/6.33 [2019-03-28 12:18:04,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.02/6.33 [2019-03-28 12:18:04,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.02/6.33 [2019-03-28 12:18:04,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.02/6.33 [2019-03-28 12:18:04,832 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,833 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,833 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,833 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.02/6.33 [2019-03-28 12:18:04,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.02/6.33 [2019-03-28 12:18:04,833 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.02/6.33 [2019-03-28 12:18:04,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.02/6.33 [2019-03-28 12:18:04,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:18:04 BasicIcfg 13.02/6.33 [2019-03-28 12:18:04,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.02/6.33 [2019-03-28 12:18:04,840 INFO L168 Benchmark]: Toolchain (without parser) took 1868.96 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.5 MB in the beginning and 555.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,842 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.25 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.5 MB in the beginning and 641.8 MB in the end (delta: -83.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.20 ms. Allocated memory is still 674.2 MB. Free memory was 641.8 MB in the beginning and 640.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,844 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 ms. Allocated memory is still 674.2 MB. Free memory was 640.4 MB in the beginning and 637.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,844 INFO L168 Benchmark]: RCFGBuilder took 218.38 ms. Allocated memory is still 674.2 MB. Free memory was 637.3 MB in the beginning and 624.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,845 INFO L168 Benchmark]: BlockEncodingV2 took 83.40 ms. Allocated memory is still 674.2 MB. Free memory was 623.0 MB in the beginning and 617.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,846 INFO L168 Benchmark]: TraceAbstraction took 155.23 ms. Allocated memory is still 674.2 MB. Free memory was 617.6 MB in the beginning and 609.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,846 INFO L168 Benchmark]: BuchiAutomizer took 1058.24 ms. Allocated memory is still 674.2 MB. Free memory was 609.4 MB in the beginning and 555.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 50.3 GB. 13.02/6.33 [2019-03-28 12:18:04,851 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.02/6.33 --- Results --- 13.02/6.33 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.02/6.33 - StatisticsResult: Initial Icfg 13.02/6.33 9 locations, 12 edges 13.02/6.33 - StatisticsResult: Encoded RCFG 13.02/6.33 2 locations, 2 edges 13.02/6.33 * Results from de.uni_freiburg.informatik.ultimate.core: 13.02/6.33 - StatisticsResult: Toolchain Benchmarks 13.02/6.33 Benchmark results are: 13.02/6.33 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.02/6.33 * CACSL2BoogieTranslator took 288.25 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.5 MB in the beginning and 641.8 MB in the end (delta: -83.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 13.02/6.33 * Boogie Procedure Inliner took 39.20 ms. Allocated memory is still 674.2 MB. Free memory was 641.8 MB in the beginning and 640.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.02/6.33 * Boogie Preprocessor took 20.90 ms. Allocated memory is still 674.2 MB. Free memory was 640.4 MB in the beginning and 637.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.02/6.33 * RCFGBuilder took 218.38 ms. Allocated memory is still 674.2 MB. Free memory was 637.3 MB in the beginning and 624.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.02/6.33 * BlockEncodingV2 took 83.40 ms. Allocated memory is still 674.2 MB. Free memory was 623.0 MB in the beginning and 617.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.02/6.33 * TraceAbstraction took 155.23 ms. Allocated memory is still 674.2 MB. Free memory was 617.6 MB in the beginning and 609.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. 13.02/6.33 * BuchiAutomizer took 1058.24 ms. Allocated memory is still 674.2 MB. Free memory was 609.4 MB in the beginning and 555.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 50.3 GB. 13.02/6.33 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.02/6.33 - AllSpecificationsHoldResult: All specifications hold 13.02/6.33 We were not able to verify any specifiation because the program does not contain any specification. 13.02/6.33 - InvariantResult [Line: 9]: Loop Invariant 13.02/6.33 Derived loop invariant: 1 13.02/6.33 - StatisticsResult: Ultimate Automizer benchmark data 13.02/6.33 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 13.02/6.33 - StatisticsResult: Constructed decomposition of program 13.02/6.33 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 2 locations. 13.02/6.33 - StatisticsResult: Timing statistics 13.02/6.33 BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 13.02/6.33 - TerminationAnalysisResult: Termination proven 13.02/6.33 Buchi Automizer proved that your program is terminating 13.02/6.33 RESULT: Ultimate proved your program to be correct! 13.02/6.33 !SESSION 2019-03-28 12:17:59.693 ----------------------------------------------- 13.02/6.33 eclipse.buildId=unknown 13.02/6.33 java.version=1.8.0_181 13.02/6.33 java.vendor=Oracle Corporation 13.02/6.33 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.02/6.33 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.02/6.33 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.02/6.33 13.02/6.33 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:18:05.083 13.02/6.33 !MESSAGE The workspace will exit with unsaved changes in this session. 13.02/6.33 Received shutdown request... 13.02/6.33 Ultimate: 13.02/6.33 GTK+ Version Check 13.02/6.33 EOF