15.12/8.47 YES 15.12/8.47 15.12/8.47 Ultimate: Cannot open display: 15.12/8.47 This is Ultimate 0.1.24-8dc7c08-m 15.12/8.47 [2019-03-28 22:50:46,030 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.12/8.47 [2019-03-28 22:50:46,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.12/8.47 [2019-03-28 22:50:46,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.12/8.47 [2019-03-28 22:50:46,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.12/8.47 [2019-03-28 22:50:46,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.12/8.47 [2019-03-28 22:50:46,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.12/8.47 [2019-03-28 22:50:46,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.12/8.47 [2019-03-28 22:50:46,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.12/8.47 [2019-03-28 22:50:46,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.12/8.47 [2019-03-28 22:50:46,051 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.12/8.47 [2019-03-28 22:50:46,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.12/8.47 [2019-03-28 22:50:46,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.12/8.47 [2019-03-28 22:50:46,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.12/8.47 [2019-03-28 22:50:46,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.12/8.47 [2019-03-28 22:50:46,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.12/8.47 [2019-03-28 22:50:46,058 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.12/8.47 [2019-03-28 22:50:46,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.12/8.47 [2019-03-28 22:50:46,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.12/8.47 [2019-03-28 22:50:46,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.12/8.47 [2019-03-28 22:50:46,064 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,064 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,065 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.12/8.47 [2019-03-28 22:50:46,065 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.12/8.47 [2019-03-28 22:50:46,066 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.12/8.47 [2019-03-28 22:50:46,067 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,067 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.12/8.47 [2019-03-28 22:50:46,068 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.12/8.47 [2019-03-28 22:50:46,069 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.12/8.47 [2019-03-28 22:50:46,069 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.12/8.47 [2019-03-28 22:50:46,070 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,070 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.12/8.47 [2019-03-28 22:50:46,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,071 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.12/8.47 [2019-03-28 22:50:46,071 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.12/8.47 [2019-03-28 22:50:46,072 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.12/8.47 [2019-03-28 22:50:46,073 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.12/8.47 [2019-03-28 22:50:46,073 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.12/8.47 [2019-03-28 22:50:46,088 INFO L110 SettingsManager]: Loading preferences was successful 15.12/8.47 [2019-03-28 22:50:46,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.12/8.47 [2019-03-28 22:50:46,089 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.12/8.47 [2019-03-28 22:50:46,089 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.12/8.47 [2019-03-28 22:50:46,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.12/8.47 [2019-03-28 22:50:46,090 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.12/8.47 [2019-03-28 22:50:46,090 INFO L133 SettingsManager]: * Use SBE=true 15.12/8.47 [2019-03-28 22:50:46,090 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.12/8.47 [2019-03-28 22:50:46,090 INFO L133 SettingsManager]: * Use old map elimination=false 15.12/8.47 [2019-03-28 22:50:46,090 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.12/8.47 [2019-03-28 22:50:46,090 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.12/8.47 [2019-03-28 22:50:46,091 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.12/8.47 [2019-03-28 22:50:46,091 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.12/8.47 [2019-03-28 22:50:46,091 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.12/8.47 [2019-03-28 22:50:46,091 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.12/8.47 [2019-03-28 22:50:46,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.12/8.47 [2019-03-28 22:50:46,091 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.12/8.47 [2019-03-28 22:50:46,092 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.12/8.47 [2019-03-28 22:50:46,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.12/8.47 [2019-03-28 22:50:46,092 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.12/8.47 [2019-03-28 22:50:46,092 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.12/8.47 [2019-03-28 22:50:46,092 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.12/8.47 [2019-03-28 22:50:46,093 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.12/8.47 [2019-03-28 22:50:46,093 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.12/8.47 [2019-03-28 22:50:46,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.12/8.47 [2019-03-28 22:50:46,093 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.12/8.47 [2019-03-28 22:50:46,093 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.12/8.47 [2019-03-28 22:50:46,093 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.12/8.47 [2019-03-28 22:50:46,094 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.12/8.47 [2019-03-28 22:50:46,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.12/8.47 [2019-03-28 22:50:46,132 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.12/8.47 [2019-03-28 22:50:46,135 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.12/8.47 [2019-03-28 22:50:46,137 INFO L271 PluginConnector]: Initializing CDTParser... 15.12/8.47 [2019-03-28 22:50:46,137 INFO L276 PluginConnector]: CDTParser initialized 15.12/8.47 [2019-03-28 22:50:46,138 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.12/8.47 [2019-03-28 22:50:46,196 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d5decaa404f7495cb9117e114c3581e0/FLAG9a1e52b00 15.12/8.47 [2019-03-28 22:50:46,538 INFO L307 CDTParser]: Found 1 translation units. 15.12/8.47 [2019-03-28 22:50:46,539 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.12/8.47 [2019-03-28 22:50:46,546 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d5decaa404f7495cb9117e114c3581e0/FLAG9a1e52b00 15.12/8.47 [2019-03-28 22:50:47,215 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d5decaa404f7495cb9117e114c3581e0 15.12/8.47 [2019-03-28 22:50:47,226 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.12/8.47 [2019-03-28 22:50:47,228 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.12/8.47 [2019-03-28 22:50:47,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.12/8.47 [2019-03-28 22:50:47,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.12/8.47 [2019-03-28 22:50:47,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.12/8.47 [2019-03-28 22:50:47,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b208139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.12/8.47 [2019-03-28 22:50:47,264 INFO L176 MainTranslator]: Built tables and reachable declarations 15.12/8.47 [2019-03-28 22:50:47,423 INFO L206 PostProcessor]: Analyzing one entry point: main 15.12/8.47 [2019-03-28 22:50:47,427 INFO L191 MainTranslator]: Completed pre-run 15.12/8.47 [2019-03-28 22:50:47,444 INFO L206 PostProcessor]: Analyzing one entry point: main 15.12/8.47 [2019-03-28 22:50:47,459 INFO L195 MainTranslator]: Completed translation 15.12/8.47 [2019-03-28 22:50:47,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47 WrapperNode 15.12/8.47 [2019-03-28 22:50:47,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.12/8.47 [2019-03-28 22:50:47,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.12/8.47 [2019-03-28 22:50:47,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.12/8.47 [2019-03-28 22:50:47,461 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.12/8.47 [2019-03-28 22:50:47,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.12/8.47 [2019-03-28 22:50:47,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.12/8.47 [2019-03-28 22:50:47,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.12/8.47 [2019-03-28 22:50:47,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.12/8.47 [2019-03-28 22:50:47,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.12/8.47 [2019-03-28 22:50:47,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.12/8.47 [2019-03-28 22:50:47,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.12/8.47 [2019-03-28 22:50:47,575 INFO L276 PluginConnector]: RCFGBuilder initialized 15.12/8.47 [2019-03-28 22:50:47,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (1/1) ... 15.12/8.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.12/8.47 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.12/8.47 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.12/8.47 [2019-03-28 22:50:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.12/8.47 [2019-03-28 22:50:47,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.12/8.47 [2019-03-28 22:50:47,758 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.12/8.47 [2019-03-28 22:50:47,759 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.12/8.47 [2019-03-28 22:50:47,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:50:47 BoogieIcfgContainer 15.12/8.47 [2019-03-28 22:50:47,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.12/8.47 [2019-03-28 22:50:47,760 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.12/8.47 [2019-03-28 22:50:47,761 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.12/8.47 [2019-03-28 22:50:47,763 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.12/8.47 [2019-03-28 22:50:47,763 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:50:47" (1/1) ... 15.12/8.47 [2019-03-28 22:50:47,778 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 15.12/8.47 [2019-03-28 22:50:47,779 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.12/8.47 [2019-03-28 22:50:47,780 INFO L263 BlockEncoder]: Using Maximize final states 15.12/8.47 [2019-03-28 22:50:47,781 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.12/8.47 [2019-03-28 22:50:47,781 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.12/8.47 [2019-03-28 22:50:47,783 INFO L296 BlockEncoder]: Using Remove sink states 15.12/8.47 [2019-03-28 22:50:47,784 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.12/8.47 [2019-03-28 22:50:47,784 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.12/8.47 [2019-03-28 22:50:47,798 INFO L185 BlockEncoder]: Using Use SBE 15.12/8.47 [2019-03-28 22:50:47,812 INFO L200 BlockEncoder]: SBE split 1 edges 15.12/8.47 [2019-03-28 22:50:47,817 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.12/8.47 [2019-03-28 22:50:47,819 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.12/8.47 [2019-03-28 22:50:47,829 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.12/8.47 [2019-03-28 22:50:47,831 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 15.12/8.47 [2019-03-28 22:50:47,832 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.12/8.47 [2019-03-28 22:50:47,833 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.12/8.47 [2019-03-28 22:50:47,833 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.12/8.47 [2019-03-28 22:50:47,833 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.12/8.47 [2019-03-28 22:50:47,833 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 15.12/8.47 [2019-03-28 22:50:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:50:47 BasicIcfg 15.12/8.47 [2019-03-28 22:50:47,834 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.12/8.47 [2019-03-28 22:50:47,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.12/8.47 [2019-03-28 22:50:47,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.12/8.47 [2019-03-28 22:50:47,838 INFO L276 PluginConnector]: TraceAbstraction initialized 15.12/8.47 [2019-03-28 22:50:47,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:50:47" (1/4) ... 15.12/8.47 [2019-03-28 22:50:47,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7c24d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (2/4) ... 15.12/8.47 [2019-03-28 22:50:47,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7c24d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:50:47" (3/4) ... 15.12/8.47 [2019-03-28 22:50:47,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7c24d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:50:47" (4/4) ... 15.12/8.47 [2019-03-28 22:50:47,842 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.12/8.47 [2019-03-28 22:50:47,852 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.12/8.47 [2019-03-28 22:50:47,859 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.12/8.47 [2019-03-28 22:50:47,876 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.12/8.47 [2019-03-28 22:50:47,905 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.12/8.47 [2019-03-28 22:50:47,906 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.12/8.47 [2019-03-28 22:50:47,906 INFO L383 AbstractCegarLoop]: Hoare is true 15.12/8.47 [2019-03-28 22:50:47,906 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.12/8.47 [2019-03-28 22:50:47,906 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.12/8.47 [2019-03-28 22:50:47,906 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.12/8.47 [2019-03-28 22:50:47,906 INFO L387 AbstractCegarLoop]: Difference is false 15.12/8.47 [2019-03-28 22:50:47,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.12/8.47 [2019-03-28 22:50:47,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.12/8.47 [2019-03-28 22:50:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 15.12/8.47 [2019-03-28 22:50:47,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.12/8.47 [2019-03-28 22:50:47,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 15.12/8.47 [2019-03-28 22:50:47,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.12/8.47 [2019-03-28 22:50:47,979 INFO L451 ceAbstractionStarter]: At program point L27-2(lines 27 30) the Hoare annotation is: true 15.12/8.47 [2019-03-28 22:50:47,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:50:47 BasicIcfg 15.12/8.47 [2019-03-28 22:50:47,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.12/8.47 [2019-03-28 22:50:47,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.12/8.47 [2019-03-28 22:50:47,988 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.12/8.47 [2019-03-28 22:50:47,992 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.12/8.47 [2019-03-28 22:50:47,992 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.12/8.47 [2019-03-28 22:50:47,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:50:47" (1/5) ... 15.12/8.47 [2019-03-28 22:50:47,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444116ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,993 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.12/8.47 [2019-03-28 22:50:47,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:50:47" (2/5) ... 15.12/8.47 [2019-03-28 22:50:47,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444116ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.12/8.47 [2019-03-28 22:50:47,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:50:47" (3/5) ... 15.12/8.47 [2019-03-28 22:50:47,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444116ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.12/8.47 [2019-03-28 22:50:47,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:50:47" (4/5) ... 15.12/8.47 [2019-03-28 22:50:47,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@444116ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:50:47, skipping insertion in model container 15.12/8.47 [2019-03-28 22:50:47,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.12/8.47 [2019-03-28 22:50:47,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:50:47" (5/5) ... 15.12/8.47 [2019-03-28 22:50:47,997 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.12/8.47 [2019-03-28 22:50:48,024 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.12/8.47 [2019-03-28 22:50:48,025 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.12/8.47 [2019-03-28 22:50:48,025 INFO L375 BuchiCegarLoop]: Hoare is true 15.12/8.47 [2019-03-28 22:50:48,025 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.12/8.47 [2019-03-28 22:50:48,025 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.12/8.47 [2019-03-28 22:50:48,025 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.12/8.47 [2019-03-28 22:50:48,025 INFO L379 BuchiCegarLoop]: Difference is false 15.12/8.47 [2019-03-28 22:50:48,025 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.12/8.47 [2019-03-28 22:50:48,026 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.12/8.47 [2019-03-28 22:50:48,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.12/8.47 [2019-03-28 22:50:48,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.12/8.47 [2019-03-28 22:50:48,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.12/8.47 [2019-03-28 22:50:48,047 INFO L119 BuchiIsEmpty]: Starting construction of run 15.12/8.47 [2019-03-28 22:50:48,053 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.12/8.47 [2019-03-28 22:50:48,053 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.12/8.47 [2019-03-28 22:50:48,053 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.12/8.47 [2019-03-28 22:50:48,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 15.12/8.47 [2019-03-28 22:50:48,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.12/8.47 [2019-03-28 22:50:48,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.12/8.47 [2019-03-28 22:50:48,054 INFO L119 BuchiIsEmpty]: Starting construction of run 15.12/8.47 [2019-03-28 22:50:48,054 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.12/8.47 [2019-03-28 22:50:48,054 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.12/8.47 [2019-03-28 22:50:48,059 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [19] ULTIMATE.startENTRY-->L27-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L27-2true 15.12/8.47 [2019-03-28 22:50:48,060 INFO L796 eck$LassoCheckResult]: Loop: 4#L27-2true [24] L27-2-->L27-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~y~0_7 (* 2 v_ULTIMATE.start_main_~x~0_8))) (<= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~z~0_7) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L27-2true 15.12/8.47 [2019-03-28 22:50:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.12/8.47 [2019-03-28 22:50:48,066 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times 15.12/8.47 [2019-03-28 22:50:48,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.12/8.47 [2019-03-28 22:50:48,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.12/8.47 [2019-03-28 22:50:48,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.12/8.47 [2019-03-28 22:50:48,143 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 15.12/8.47 [2019-03-28 22:50:48,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.12/8.47 [2019-03-28 22:50:48,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.12/8.47 [2019-03-28 22:50:48,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.12/8.47 [2019-03-28 22:50:48,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times 15.12/8.47 [2019-03-28 22:50:48,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.12/8.47 [2019-03-28 22:50:48,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.12/8.47 [2019-03-28 22:50:48,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.12/8.47 [2019-03-28 22:50:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.12/8.47 [2019-03-28 22:50:48,234 INFO L216 LassoAnalysis]: Preferences: 15.12/8.47 [2019-03-28 22:50:48,235 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.12/8.47 [2019-03-28 22:50:48,258 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.12/8.47 [2019-03-28 22:50:48,258 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.12/8.47 [2019-03-28 22:50:48,258 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.12/8.47 [2019-03-28 22:50:48,258 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.12/8.47 [2019-03-28 22:50:48,259 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.12/8.47 [2019-03-28 22:50:48,259 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.12/8.47 [2019-03-28 22:50:48,259 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.12/8.47 [2019-03-28 22:50:48,259 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.12/8.47 [2019-03-28 22:50:48,259 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.12/8.47 [2019-03-28 22:50:48,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:48,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:48,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:48,406 INFO L300 LassoAnalysis]: Preprocessing complete. 15.12/8.47 [2019-03-28 22:50:48,406 INFO L412 LassoAnalysis]: Checking for nontermination... 15.12/8.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.12/8.47 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.12/8.47 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.12/8.47 [2019-03-28 22:50:48,412 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.12/8.47 [2019-03-28 22:50:48,412 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.12/8.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.12/8.47 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.12/8.47 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.12/8.47 [2019-03-28 22:50:48,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.12/8.47 [2019-03-28 22:50:48,446 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.12/8.47 [2019-03-28 22:50:50,587 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.12/8.47 [2019-03-28 22:50:50,589 INFO L216 LassoAnalysis]: Preferences: 15.12/8.47 [2019-03-28 22:50:50,590 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.12/8.47 [2019-03-28 22:50:50,590 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.12/8.47 [2019-03-28 22:50:50,590 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.12/8.47 [2019-03-28 22:50:50,590 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.12/8.47 [2019-03-28 22:50:50,590 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.12/8.47 [2019-03-28 22:50:50,590 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.12/8.47 [2019-03-28 22:50:50,591 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.12/8.47 [2019-03-28 22:50:50,591 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.12/8.47 [2019-03-28 22:50:50,591 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.12/8.47 [2019-03-28 22:50:50,591 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.12/8.47 [2019-03-28 22:50:50,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:50,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:50,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.12/8.47 [2019-03-28 22:50:50,685 INFO L300 LassoAnalysis]: Preprocessing complete. 15.12/8.47 [2019-03-28 22:50:50,691 INFO L497 LassoAnalysis]: Using template 'affine'. 15.12/8.47 [2019-03-28 22:50:50,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.12/8.47 Termination analysis: LINEAR_WITH_GUESSES 15.12/8.47 Number of strict supporting invariants: 0 15.12/8.47 Number of non-strict supporting invariants: 1 15.12/8.47 Consider only non-deceasing supporting invariants: true 15.12/8.47 Simplify termination arguments: true 15.12/8.47 Simplify supporting invariants: trueOverapproximate stem: false 15.12/8.47 [2019-03-28 22:50:50,694 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.12/8.47 [2019-03-28 22:50:50,695 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.12/8.47 [2019-03-28 22:50:50,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.12/8.47 [2019-03-28 22:50:50,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.12/8.47 [2019-03-28 22:50:50,696 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.12/8.47 [2019-03-28 22:50:50,699 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.12/8.47 [2019-03-28 22:50:50,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.12/8.47 [2019-03-28 22:50:50,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.12/8.47 [2019-03-28 22:50:50,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.12/8.47 Termination analysis: LINEAR_WITH_GUESSES 15.12/8.47 Number of strict supporting invariants: 0 15.12/8.47 Number of non-strict supporting invariants: 1 15.12/8.47 Consider only non-deceasing supporting invariants: true 15.12/8.47 Simplify termination arguments: true 15.12/8.47 Simplify supporting invariants: trueOverapproximate stem: false 15.12/8.47 [2019-03-28 22:50:50,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.12/8.47 [2019-03-28 22:50:50,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.12/8.47 [2019-03-28 22:50:50,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.12/8.47 [2019-03-28 22:50:50,713 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.12/8.47 [2019-03-28 22:50:50,716 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.12/8.47 [2019-03-28 22:50:50,717 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.12/8.47 [2019-03-28 22:50:50,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.12/8.47 [2019-03-28 22:50:50,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.12/8.47 Termination analysis: LINEAR_WITH_GUESSES 15.12/8.47 Number of strict supporting invariants: 0 15.12/8.47 Number of non-strict supporting invariants: 1 15.12/8.47 Consider only non-deceasing supporting invariants: true 15.12/8.47 Simplify termination arguments: true 15.12/8.47 Simplify supporting invariants: trueOverapproximate stem: false 15.12/8.47 [2019-03-28 22:50:50,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.12/8.47 [2019-03-28 22:50:50,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.12/8.47 [2019-03-28 22:50:50,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.12/8.47 [2019-03-28 22:50:50,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.12/8.47 [2019-03-28 22:50:50,726 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.12/8.47 [2019-03-28 22:50:50,726 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.12/8.47 [2019-03-28 22:50:50,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.12/8.47 [2019-03-28 22:50:50,734 INFO L497 LassoAnalysis]: Using template '2-nested'. 15.12/8.47 [2019-03-28 22:50:50,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.12/8.47 Termination analysis: LINEAR_WITH_GUESSES 15.12/8.47 Number of strict supporting invariants: 0 15.12/8.47 Number of non-strict supporting invariants: 1 15.12/8.47 Consider only non-deceasing supporting invariants: true 15.12/8.47 Simplify termination arguments: true 15.12/8.47 Simplify supporting invariants: trueOverapproximate stem: false 15.12/8.47 [2019-03-28 22:50:50,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.12/8.47 [2019-03-28 22:50:50,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.12/8.47 [2019-03-28 22:50:50,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.12/8.47 [2019-03-28 22:50:50,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.12/8.47 [2019-03-28 22:50:50,736 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 15.12/8.47 [2019-03-28 22:50:50,737 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 15.12/8.47 [2019-03-28 22:50:50,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.12/8.47 [2019-03-28 22:50:50,751 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.12/8.47 [2019-03-28 22:50:50,768 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.12/8.47 [2019-03-28 22:50:50,768 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 0 variables to zero. 15.12/8.47 [2019-03-28 22:50:50,770 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.12/8.47 [2019-03-28 22:50:50,770 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.12/8.47 [2019-03-28 22:50:50,771 INFO L518 LassoAnalysis]: Proved termination. 15.12/8.47 [2019-03-28 22:50:50,771 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.12/8.47 Ranking function 2-nested ranking function: 15.12/8.47 f0 = -2*ULTIMATE.start_main_~y~0 + 1 15.12/8.47 f1 = 2*ULTIMATE.start_main_~z~0 - 2*ULTIMATE.start_main_~x~0 + 1 15.12/8.47 Supporting invariants [] 15.12/8.47 [2019-03-28 22:50:50,773 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.12/8.47 [2019-03-28 22:50:50,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.12/8.47 [2019-03-28 22:50:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.12/8.47 [2019-03-28 22:50:50,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.12/8.47 [2019-03-28 22:50:50,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.12/8.47 [2019-03-28 22:50:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.12/8.47 [2019-03-28 22:50:50,866 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core 15.12/8.47 [2019-03-28 22:50:50,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.12/8.47 [2019-03-28 22:50:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.12/8.47 [2019-03-28 22:50:50,904 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.12/8.47 [2019-03-28 22:50:50,909 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.12/8.47 [2019-03-28 22:50:50,910 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 15.12/8.47 [2019-03-28 22:50:50,930 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. 15.12/8.47 [2019-03-28 22:50:50,931 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 15.12/8.47 [2019-03-28 22:50:50,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.12/8.47 [2019-03-28 22:50:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 15.12/8.47 [2019-03-28 22:50:50,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 15.12/8.47 [2019-03-28 22:50:50,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.12/8.47 [2019-03-28 22:50:50,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 15.12/8.47 [2019-03-28 22:50:50,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.12/8.47 [2019-03-28 22:50:50,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 15.12/8.47 [2019-03-28 22:50:50,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.12/8.47 [2019-03-28 22:50:50,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 15.12/8.47 [2019-03-28 22:50:50,942 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.12/8.47 [2019-03-28 22:50:50,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.12/8.47 [2019-03-28 22:50:50,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.12/8.47 [2019-03-28 22:50:50,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.12/8.47 [2019-03-28 22:50:50,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.12/8.47 [2019-03-28 22:50:50,947 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.12/8.47 [2019-03-28 22:50:50,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.12/8.47 [2019-03-28 22:50:50,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:50:50 BasicIcfg 15.12/8.47 [2019-03-28 22:50:50,953 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.12/8.47 [2019-03-28 22:50:50,954 INFO L168 Benchmark]: Toolchain (without parser) took 3727.07 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 558.5 MB in the beginning and 539.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 46.5 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,956 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.56 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 548.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.68 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 548.9 MB in the beginning and 644.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,958 INFO L168 Benchmark]: Boogie Preprocessor took 19.25 ms. Allocated memory is still 677.4 MB. Free memory was 644.9 MB in the beginning and 641.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,959 INFO L168 Benchmark]: RCFGBuilder took 185.46 ms. Allocated memory is still 677.4 MB. Free memory was 641.8 MB in the beginning and 628.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,959 INFO L168 Benchmark]: BlockEncodingV2 took 73.73 ms. Allocated memory is still 677.4 MB. Free memory was 628.9 MB in the beginning and 623.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,960 INFO L168 Benchmark]: TraceAbstraction took 152.74 ms. Allocated memory is still 677.4 MB. Free memory was 623.5 MB in the beginning and 615.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,961 INFO L168 Benchmark]: BuchiAutomizer took 2965.28 ms. Allocated memory is still 677.4 MB. Free memory was 614.0 MB in the beginning and 539.8 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 50.3 GB. 15.12/8.47 [2019-03-28 22:50:50,965 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.12/8.47 --- Results --- 15.12/8.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.12/8.47 - StatisticsResult: Initial Icfg 15.12/8.47 6 locations, 7 edges 15.12/8.47 - StatisticsResult: Encoded RCFG 15.12/8.47 2 locations, 2 edges 15.12/8.47 * Results from de.uni_freiburg.informatik.ultimate.core: 15.12/8.47 - StatisticsResult: Toolchain Benchmarks 15.12/8.47 Benchmark results are: 15.12/8.47 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.12/8.47 * CACSL2BoogieTranslator took 231.56 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 548.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.12/8.47 * Boogie Procedure Inliner took 93.68 ms. Allocated memory was 649.6 MB in the beginning and 677.4 MB in the end (delta: 27.8 MB). Free memory was 548.9 MB in the beginning and 644.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 15.12/8.47 * Boogie Preprocessor took 19.25 ms. Allocated memory is still 677.4 MB. Free memory was 644.9 MB in the beginning and 641.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 15.12/8.47 * RCFGBuilder took 185.46 ms. Allocated memory is still 677.4 MB. Free memory was 641.8 MB in the beginning and 628.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 15.12/8.47 * BlockEncodingV2 took 73.73 ms. Allocated memory is still 677.4 MB. Free memory was 628.9 MB in the beginning and 623.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.12/8.47 * TraceAbstraction took 152.74 ms. Allocated memory is still 677.4 MB. Free memory was 623.5 MB in the beginning and 615.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 15.12/8.47 * BuchiAutomizer took 2965.28 ms. Allocated memory is still 677.4 MB. Free memory was 614.0 MB in the beginning and 539.8 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 50.3 GB. 15.12/8.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.12/8.47 - AllSpecificationsHoldResult: All specifications hold 15.12/8.47 We were not able to verify any specifiation because the program does not contain any specification. 15.12/8.47 - InvariantResult [Line: 27]: Loop Invariant 15.12/8.47 Derived loop invariant: 1 15.12/8.47 - StatisticsResult: Ultimate Automizer benchmark data 15.12/8.47 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 15.12/8.47 - StatisticsResult: Constructed decomposition of program 15.12/8.47 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else 2 * z + -2 * x + 1) and consists of 2 locations. 15.12/8.47 - StatisticsResult: Timing statistics 15.12/8.47 BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.1s 15.12/8.47 - TerminationAnalysisResult: Termination proven 15.12/8.47 Buchi Automizer proved that your program is terminating 15.12/8.47 RESULT: Ultimate proved your program to be correct! 15.12/8.47 !SESSION 2019-03-28 22:50:43.708 ----------------------------------------------- 15.12/8.47 eclipse.buildId=unknown 15.12/8.47 java.version=1.8.0_181 15.12/8.47 java.vendor=Oracle Corporation 15.12/8.47 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.12/8.47 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.12/8.47 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 15.12/8.47 15.12/8.47 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:50:51.197 15.12/8.47 !MESSAGE The workspace will exit with unsaved changes in this session. 15.12/8.47 Received shutdown request... 15.12/8.47 Ultimate: 15.12/8.47 GTK+ Version Check 15.12/8.47 EOF