13.11/6.34 YES 13.11/6.34 13.11/6.34 Ultimate: Cannot open display: 13.11/6.34 This is Ultimate 0.1.24-8dc7c08-m 13.11/6.34 [2019-03-28 11:58:00,656 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.11/6.34 [2019-03-28 11:58:00,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.11/6.34 [2019-03-28 11:58:00,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.11/6.34 [2019-03-28 11:58:00,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.11/6.34 [2019-03-28 11:58:00,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.11/6.34 [2019-03-28 11:58:00,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.11/6.34 [2019-03-28 11:58:00,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.11/6.34 [2019-03-28 11:58:00,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.11/6.34 [2019-03-28 11:58:00,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.11/6.34 [2019-03-28 11:58:00,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.11/6.34 [2019-03-28 11:58:00,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.11/6.34 [2019-03-28 11:58:00,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.11/6.34 [2019-03-28 11:58:00,680 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.11/6.34 [2019-03-28 11:58:00,681 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.11/6.34 [2019-03-28 11:58:00,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.11/6.34 [2019-03-28 11:58:00,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.11/6.34 [2019-03-28 11:58:00,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.11/6.34 [2019-03-28 11:58:00,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.11/6.34 [2019-03-28 11:58:00,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.11/6.34 [2019-03-28 11:58:00,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,691 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.11/6.34 [2019-03-28 11:58:00,692 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.11/6.34 [2019-03-28 11:58:00,692 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.11/6.34 [2019-03-28 11:58:00,693 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.11/6.34 [2019-03-28 11:58:00,694 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.11/6.34 [2019-03-28 11:58:00,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.11/6.34 [2019-03-28 11:58:00,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.11/6.34 [2019-03-28 11:58:00,696 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,696 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.11/6.34 [2019-03-28 11:58:00,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,697 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.11/6.34 [2019-03-28 11:58:00,697 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.11/6.34 [2019-03-28 11:58:00,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.11/6.34 [2019-03-28 11:58:00,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.11/6.34 [2019-03-28 11:58:00,699 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.11/6.34 [2019-03-28 11:58:00,713 INFO L110 SettingsManager]: Loading preferences was successful 13.11/6.34 [2019-03-28 11:58:00,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.11/6.34 [2019-03-28 11:58:00,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.11/6.34 [2019-03-28 11:58:00,715 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.11/6.34 [2019-03-28 11:58:00,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.11/6.34 [2019-03-28 11:58:00,715 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.11/6.34 [2019-03-28 11:58:00,715 INFO L133 SettingsManager]: * Use SBE=true 13.11/6.34 [2019-03-28 11:58:00,716 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.11/6.34 [2019-03-28 11:58:00,716 INFO L133 SettingsManager]: * Use old map elimination=false 13.11/6.34 [2019-03-28 11:58:00,716 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.11/6.34 [2019-03-28 11:58:00,716 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.11/6.34 [2019-03-28 11:58:00,716 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.11/6.34 [2019-03-28 11:58:00,716 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.11/6.34 [2019-03-28 11:58:00,717 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.11/6.34 [2019-03-28 11:58:00,717 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:00,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.11/6.34 [2019-03-28 11:58:00,717 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.11/6.34 [2019-03-28 11:58:00,717 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.11/6.34 [2019-03-28 11:58:00,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.11/6.34 [2019-03-28 11:58:00,718 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.11/6.34 [2019-03-28 11:58:00,718 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.11/6.34 [2019-03-28 11:58:00,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.11/6.34 [2019-03-28 11:58:00,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.11/6.34 [2019-03-28 11:58:00,718 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.11/6.34 [2019-03-28 11:58:00,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.11/6.34 [2019-03-28 11:58:00,719 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.11/6.34 [2019-03-28 11:58:00,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.11/6.34 [2019-03-28 11:58:00,719 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.11/6.34 [2019-03-28 11:58:00,719 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.11/6.34 [2019-03-28 11:58:00,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.11/6.34 [2019-03-28 11:58:00,758 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.11/6.34 [2019-03-28 11:58:00,761 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.11/6.34 [2019-03-28 11:58:00,763 INFO L271 PluginConnector]: Initializing CDTParser... 13.11/6.34 [2019-03-28 11:58:00,763 INFO L276 PluginConnector]: CDTParser initialized 13.11/6.34 [2019-03-28 11:58:00,764 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.34 [2019-03-28 11:58:00,830 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/39c193107ea14e2587cdca47fb68f6ee/FLAGc86fe540e 13.11/6.34 [2019-03-28 11:58:01,164 INFO L307 CDTParser]: Found 1 translation units. 13.11/6.34 [2019-03-28 11:58:01,164 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.34 [2019-03-28 11:58:01,171 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/39c193107ea14e2587cdca47fb68f6ee/FLAGc86fe540e 13.11/6.34 [2019-03-28 11:58:01,603 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/39c193107ea14e2587cdca47fb68f6ee 13.11/6.34 [2019-03-28 11:58:01,615 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.11/6.34 [2019-03-28 11:58:01,616 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.11/6.34 [2019-03-28 11:58:01,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.11/6.34 [2019-03-28 11:58:01,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.11/6.34 [2019-03-28 11:58:01,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.11/6.34 [2019-03-28 11:58:01,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844f2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:01,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.11/6.34 [2019-03-28 11:58:01,650 INFO L176 MainTranslator]: Built tables and reachable declarations 13.11/6.34 [2019-03-28 11:58:01,805 INFO L206 PostProcessor]: Analyzing one entry point: main 13.11/6.34 [2019-03-28 11:58:01,810 INFO L191 MainTranslator]: Completed pre-run 13.11/6.34 [2019-03-28 11:58:01,826 INFO L206 PostProcessor]: Analyzing one entry point: main 13.11/6.34 [2019-03-28 11:58:01,901 INFO L195 MainTranslator]: Completed translation 13.11/6.34 [2019-03-28 11:58:01,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01 WrapperNode 13.11/6.34 [2019-03-28 11:58:01,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.11/6.34 [2019-03-28 11:58:01,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.11/6.34 [2019-03-28 11:58:01,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.11/6.34 [2019-03-28 11:58:01,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.11/6.34 [2019-03-28 11:58:01,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.11/6.34 [2019-03-28 11:58:01,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.11/6.34 [2019-03-28 11:58:01,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.11/6.34 [2019-03-28 11:58:01,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.11/6.34 [2019-03-28 11:58:01,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 [2019-03-28 11:58:01,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.11/6.34 [2019-03-28 11:58:01,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.11/6.34 [2019-03-28 11:58:01,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.11/6.34 [2019-03-28 11:58:01,962 INFO L276 PluginConnector]: RCFGBuilder initialized 13.11/6.34 [2019-03-28 11:58:01,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (1/1) ... 13.11/6.34 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.34 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.11/6.34 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.11/6.34 [2019-03-28 11:58:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.11/6.34 [2019-03-28 11:58:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.11/6.34 [2019-03-28 11:58:02,172 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.11/6.34 [2019-03-28 11:58:02,173 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.11/6.34 [2019-03-28 11:58:02,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:58:02 BoogieIcfgContainer 13.11/6.34 [2019-03-28 11:58:02,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.11/6.34 [2019-03-28 11:58:02,175 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.11/6.34 [2019-03-28 11:58:02,175 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.11/6.34 [2019-03-28 11:58:02,177 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.11/6.34 [2019-03-28 11:58:02,178 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:58:02" (1/1) ... 13.11/6.34 [2019-03-28 11:58:02,194 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 13.11/6.34 [2019-03-28 11:58:02,195 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.11/6.34 [2019-03-28 11:58:02,196 INFO L263 BlockEncoder]: Using Maximize final states 13.11/6.34 [2019-03-28 11:58:02,197 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.11/6.34 [2019-03-28 11:58:02,197 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.11/6.34 [2019-03-28 11:58:02,199 INFO L296 BlockEncoder]: Using Remove sink states 13.11/6.34 [2019-03-28 11:58:02,200 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.11/6.34 [2019-03-28 11:58:02,200 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.11/6.34 [2019-03-28 11:58:02,216 INFO L185 BlockEncoder]: Using Use SBE 13.11/6.34 [2019-03-28 11:58:02,231 INFO L200 BlockEncoder]: SBE split 1 edges 13.11/6.34 [2019-03-28 11:58:02,236 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.11/6.34 [2019-03-28 11:58:02,237 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.11/6.34 [2019-03-28 11:58:02,249 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.11/6.34 [2019-03-28 11:58:02,251 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 13.11/6.34 [2019-03-28 11:58:02,252 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.11/6.34 [2019-03-28 11:58:02,252 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.11/6.34 [2019-03-28 11:58:02,255 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 13.11/6.34 [2019-03-28 11:58:02,256 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.11/6.34 [2019-03-28 11:58:02,256 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.11/6.34 [2019-03-28 11:58:02,256 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.11/6.34 [2019-03-28 11:58:02,256 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.11/6.34 [2019-03-28 11:58:02,257 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.11/6.34 [2019-03-28 11:58:02,257 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 13.11/6.34 [2019-03-28 11:58:02,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:58:02 BasicIcfg 13.11/6.34 [2019-03-28 11:58:02,258 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.11/6.34 [2019-03-28 11:58:02,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.11/6.34 [2019-03-28 11:58:02,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.11/6.34 [2019-03-28 11:58:02,262 INFO L276 PluginConnector]: TraceAbstraction initialized 13.11/6.34 [2019-03-28 11:58:02,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:58:01" (1/4) ... 13.11/6.34 [2019-03-28 11:58:02,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d148df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (2/4) ... 13.11/6.34 [2019-03-28 11:58:02,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d148df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:58:02" (3/4) ... 13.11/6.34 [2019-03-28 11:58:02,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d148df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:58:02" (4/4) ... 13.11/6.34 [2019-03-28 11:58:02,266 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.11/6.34 [2019-03-28 11:58:02,276 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.11/6.34 [2019-03-28 11:58:02,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.11/6.34 [2019-03-28 11:58:02,301 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.11/6.34 [2019-03-28 11:58:02,329 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.11/6.34 [2019-03-28 11:58:02,330 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.11/6.34 [2019-03-28 11:58:02,330 INFO L383 AbstractCegarLoop]: Hoare is true 13.11/6.34 [2019-03-28 11:58:02,331 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.11/6.34 [2019-03-28 11:58:02,331 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.11/6.34 [2019-03-28 11:58:02,331 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.11/6.34 [2019-03-28 11:58:02,331 INFO L387 AbstractCegarLoop]: Difference is false 13.11/6.34 [2019-03-28 11:58:02,331 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.11/6.34 [2019-03-28 11:58:02,331 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.11/6.34 [2019-03-28 11:58:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 13.11/6.34 [2019-03-28 11:58:02,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.11/6.34 [2019-03-28 11:58:02,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 13.11/6.34 [2019-03-28 11:58:02,403 INFO L451 ceAbstractionStarter]: At program point L18-1(lines 14 24) the Hoare annotation is: true 13.11/6.34 [2019-03-28 11:58:02,403 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 23) no Hoare annotation was computed. 13.11/6.34 [2019-03-28 11:58:02,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.11/6.34 [2019-03-28 11:58:02,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:58:02 BasicIcfg 13.11/6.34 [2019-03-28 11:58:02,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.11/6.34 [2019-03-28 11:58:02,412 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.11/6.34 [2019-03-28 11:58:02,412 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.11/6.34 [2019-03-28 11:58:02,415 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.11/6.34 [2019-03-28 11:58:02,416 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.34 [2019-03-28 11:58:02,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:58:01" (1/5) ... 13.11/6.34 [2019-03-28 11:58:02,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5799109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,417 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.34 [2019-03-28 11:58:02,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:58:01" (2/5) ... 13.11/6.34 [2019-03-28 11:58:02,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5799109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,418 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.34 [2019-03-28 11:58:02,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:58:02" (3/5) ... 13.11/6.34 [2019-03-28 11:58:02,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5799109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,419 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.34 [2019-03-28 11:58:02,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:58:02" (4/5) ... 13.11/6.34 [2019-03-28 11:58:02,419 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5799109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:58:02, skipping insertion in model container 13.11/6.34 [2019-03-28 11:58:02,419 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.11/6.34 [2019-03-28 11:58:02,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:58:02" (5/5) ... 13.11/6.34 [2019-03-28 11:58:02,421 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.11/6.34 [2019-03-28 11:58:02,448 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.11/6.34 [2019-03-28 11:58:02,449 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.11/6.34 [2019-03-28 11:58:02,449 INFO L375 BuchiCegarLoop]: Hoare is true 13.11/6.34 [2019-03-28 11:58:02,449 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.11/6.34 [2019-03-28 11:58:02,449 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.11/6.34 [2019-03-28 11:58:02,449 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.11/6.34 [2019-03-28 11:58:02,449 INFO L379 BuchiCegarLoop]: Difference is false 13.11/6.34 [2019-03-28 11:58:02,450 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.11/6.34 [2019-03-28 11:58:02,450 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.11/6.34 [2019-03-28 11:58:02,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.11/6.34 [2019-03-28 11:58:02,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.34 [2019-03-28 11:58:02,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.34 [2019-03-28 11:58:02,471 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.34 [2019-03-28 11:58:02,477 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.11/6.34 [2019-03-28 11:58:02,477 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.34 [2019-03-28 11:58:02,477 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.11/6.34 [2019-03-28 11:58:02,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 13.11/6.34 [2019-03-28 11:58:02,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.34 [2019-03-28 11:58:02,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.34 [2019-03-28 11:58:02,478 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.34 [2019-03-28 11:58:02,478 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.11/6.34 [2019-03-28 11:58:02,478 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.34 [2019-03-28 11:58:02,484 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [31] ULTIMATE.startENTRY-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~p~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_1, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~p~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#res] 5#L18-1true 13.11/6.34 [2019-03-28 11:58:02,484 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 3#L15true [29] L15-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 (+ v_ULTIMATE.start_main_~q~0_9 (- 1))) (< v_ULTIMATE.start_main_~q~0_9 v_ULTIMATE.start_main_~p~0_9)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0] 5#L18-1true 13.11/6.34 [2019-03-28 11:58:02,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:02,490 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:02,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:02,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:02,554 INFO L82 PathProgramCache]: Analyzing trace with hash 2044, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:02,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:02,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:02,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:02,577 INFO L82 PathProgramCache]: Analyzing trace with hash 60665, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:02,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:02,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:02,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:02,654 INFO L216 LassoAnalysis]: Preferences: 13.11/6.34 [2019-03-28 11:58:02,655 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.34 [2019-03-28 11:58:02,655 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.34 [2019-03-28 11:58:02,655 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.34 [2019-03-28 11:58:02,655 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.11/6.34 [2019-03-28 11:58:02,655 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:02,656 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.34 [2019-03-28 11:58:02,656 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.34 [2019-03-28 11:58:02,656 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.11/6.34 [2019-03-28 11:58:02,656 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.34 [2019-03-28 11:58:02,656 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.34 [2019-03-28 11:58:02,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.34 [2019-03-28 11:58:02,731 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.34 [2019-03-28 11:58:02,732 INFO L412 LassoAnalysis]: Checking for nontermination... 13.11/6.34 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.34 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.34 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:02,740 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.11/6.34 [2019-03-28 11:58:02,740 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.34 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.34 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.34 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:02,776 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.11/6.34 [2019-03-28 11:58:02,776 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.34 [2019-03-28 11:58:02,810 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.11/6.34 [2019-03-28 11:58:02,812 INFO L216 LassoAnalysis]: Preferences: 13.11/6.34 [2019-03-28 11:58:02,812 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.34 [2019-03-28 11:58:02,813 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.34 [2019-03-28 11:58:02,813 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.34 [2019-03-28 11:58:02,813 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.11/6.34 [2019-03-28 11:58:02,813 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:02,813 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.34 [2019-03-28 11:58:02,813 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.34 [2019-03-28 11:58:02,813 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.11/6.34 [2019-03-28 11:58:02,814 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.34 [2019-03-28 11:58:02,814 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.34 [2019-03-28 11:58:02,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.34 [2019-03-28 11:58:02,849 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.34 [2019-03-28 11:58:02,855 INFO L497 LassoAnalysis]: Using template 'affine'. 13.11/6.34 [2019-03-28 11:58:02,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.11/6.34 Termination analysis: LINEAR_WITH_GUESSES 13.11/6.34 Number of strict supporting invariants: 0 13.11/6.34 Number of non-strict supporting invariants: 1 13.11/6.34 Consider only non-deceasing supporting invariants: true 13.11/6.34 Simplify termination arguments: true 13.11/6.34 Simplify supporting invariants: trueOverapproximate stem: false 13.11/6.34 [2019-03-28 11:58:02,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.11/6.34 [2019-03-28 11:58:02,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.11/6.34 [2019-03-28 11:58:02,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.11/6.34 [2019-03-28 11:58:02,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.11/6.34 [2019-03-28 11:58:02,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.11/6.34 [2019-03-28 11:58:02,862 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.11/6.34 [2019-03-28 11:58:02,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.11/6.34 [2019-03-28 11:58:02,870 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.11/6.34 [2019-03-28 11:58:02,879 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.11/6.34 [2019-03-28 11:58:02,879 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.11/6.34 [2019-03-28 11:58:02,881 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.11/6.34 [2019-03-28 11:58:02,882 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.11/6.34 [2019-03-28 11:58:02,882 INFO L518 LassoAnalysis]: Proved termination. 13.11/6.34 [2019-03-28 11:58:02,883 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.11/6.34 Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 13.11/6.34 Supporting invariants [] 13.11/6.34 [2019-03-28 11:58:02,884 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.11/6.34 [2019-03-28 11:58:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.34 [2019-03-28 11:58:02,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 13.11/6.34 [2019-03-28 11:58:02,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.34 [2019-03-28 11:58:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.34 [2019-03-28 11:58:02,933 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 13.11/6.34 [2019-03-28 11:58:02,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.34 [2019-03-28 11:58:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.11/6.34 [2019-03-28 11:58:02,988 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.11/6.34 [2019-03-28 11:58:02,993 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 13.11/6.34 [2019-03-28 11:58:02,995 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 13.11/6.34 [2019-03-28 11:58:03,029 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 4 states. 13.11/6.34 [2019-03-28 11:58:03,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 13.11/6.34 [2019-03-28 11:58:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.11/6.34 [2019-03-28 11:58:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 13.11/6.34 [2019-03-28 11:58:03,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 13.11/6.34 [2019-03-28 11:58:03,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 13.11/6.34 [2019-03-28 11:58:03,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 13.11/6.34 [2019-03-28 11:58:03,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.34 [2019-03-28 11:58:03,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 13.11/6.34 [2019-03-28 11:58:03,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 13.11/6.34 [2019-03-28 11:58:03,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.11/6.34 [2019-03-28 11:58:03,050 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 13.11/6.34 [2019-03-28 11:58:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 13.11/6.34 [2019-03-28 11:58:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 13.11/6.34 [2019-03-28 11:58:03,079 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 13.11/6.34 [2019-03-28 11:58:03,079 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 13.11/6.34 [2019-03-28 11:58:03,079 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.11/6.34 [2019-03-28 11:58:03,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 13.11/6.34 [2019-03-28 11:58:03,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 13.11/6.34 [2019-03-28 11:58:03,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.11/6.34 [2019-03-28 11:58:03,080 INFO L119 BuchiIsEmpty]: Starting construction of run 13.11/6.34 [2019-03-28 11:58:03,080 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.11/6.34 [2019-03-28 11:58:03,080 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 13.11/6.34 [2019-03-28 11:58:03,081 INFO L794 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRY [31] ULTIMATE.startENTRY-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~p~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_1, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~p~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#res] 50#L18-1 [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L15 13.11/6.34 [2019-03-28 11:58:03,081 INFO L796 eck$LassoCheckResult]: Loop: 44#L15 [47] L15-->L18-1: Formula: (and (< v_ULTIMATE.start_main_~p~0_12 v_ULTIMATE.start_main_~q~0_11) (<= v_ULTIMATE.start_main_~p~0_12 v_ULTIMATE.start_main_~q~0_11) (= (+ v_ULTIMATE.start_main_~p~0_12 (- 1)) v_ULTIMATE.start_main_~p~0_11)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_12, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_11} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_11, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~p~0] 45#L18-1 [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L15 13.11/6.34 [2019-03-28 11:58:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:03,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:03,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:03,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:03,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:03,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2452, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:03,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:03,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:03,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:03,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1881207, now seen corresponding path program 1 times 13.11/6.34 [2019-03-28 11:58:03,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.11/6.34 [2019-03-28 11:58:03,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.11/6.34 [2019-03-28 11:58:03,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.11/6.34 [2019-03-28 11:58:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.11/6.34 [2019-03-28 11:58:03,132 INFO L216 LassoAnalysis]: Preferences: 13.11/6.34 [2019-03-28 11:58:03,132 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.34 [2019-03-28 11:58:03,132 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.34 [2019-03-28 11:58:03,133 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.34 [2019-03-28 11:58:03,133 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.11/6.34 [2019-03-28 11:58:03,133 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:03,133 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.34 [2019-03-28 11:58:03,133 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.34 [2019-03-28 11:58:03,133 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.11/6.34 [2019-03-28 11:58:03,133 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.34 [2019-03-28 11:58:03,134 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.34 [2019-03-28 11:58:03,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.34 [2019-03-28 11:58:03,163 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.34 [2019-03-28 11:58:03,163 INFO L412 LassoAnalysis]: Checking for nontermination... 13.11/6.34 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.34 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.34 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:03,167 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.11/6.34 [2019-03-28 11:58:03,168 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.34 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.11/6.34 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.11/6.34 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:03,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.11/6.34 [2019-03-28 11:58:03,200 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.11/6.34 [2019-03-28 11:58:03,307 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.11/6.34 [2019-03-28 11:58:03,310 INFO L216 LassoAnalysis]: Preferences: 13.11/6.34 [2019-03-28 11:58:03,310 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.11/6.34 [2019-03-28 11:58:03,310 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.11/6.34 [2019-03-28 11:58:03,310 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.11/6.34 [2019-03-28 11:58:03,310 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.11/6.34 [2019-03-28 11:58:03,310 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.11/6.34 [2019-03-28 11:58:03,311 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.11/6.34 [2019-03-28 11:58:03,311 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.11/6.34 [2019-03-28 11:58:03,311 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.11/6.34 [2019-03-28 11:58:03,311 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.11/6.34 [2019-03-28 11:58:03,311 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.11/6.34 [2019-03-28 11:58:03,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.11/6.34 [2019-03-28 11:58:03,345 INFO L300 LassoAnalysis]: Preprocessing complete. 13.11/6.34 [2019-03-28 11:58:03,345 INFO L497 LassoAnalysis]: Using template 'affine'. 13.11/6.34 [2019-03-28 11:58:03,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.11/6.34 Termination analysis: LINEAR_WITH_GUESSES 13.11/6.34 Number of strict supporting invariants: 0 13.11/6.34 Number of non-strict supporting invariants: 1 13.11/6.34 Consider only non-deceasing supporting invariants: true 13.11/6.34 Simplify termination arguments: true 13.11/6.34 Simplify supporting invariants: trueOverapproximate stem: false 13.11/6.34 [2019-03-28 11:58:03,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.11/6.34 [2019-03-28 11:58:03,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.11/6.34 [2019-03-28 11:58:03,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.11/6.34 [2019-03-28 11:58:03,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.11/6.34 [2019-03-28 11:58:03,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.11/6.34 [2019-03-28 11:58:03,348 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.11/6.34 [2019-03-28 11:58:03,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.11/6.34 [2019-03-28 11:58:03,355 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.11/6.34 [2019-03-28 11:58:03,360 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.11/6.34 [2019-03-28 11:58:03,360 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 13.11/6.34 [2019-03-28 11:58:03,361 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.11/6.34 [2019-03-28 11:58:03,361 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.11/6.34 [2019-03-28 11:58:03,361 INFO L518 LassoAnalysis]: Proved termination. 13.11/6.34 [2019-03-28 11:58:03,361 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.11/6.34 Ranking function f(ULTIMATE.start_main_~p~0) = 1*ULTIMATE.start_main_~p~0 13.11/6.34 Supporting invariants [] 13.11/6.34 [2019-03-28 11:58:03,362 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.11/6.34 [2019-03-28 11:58:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.11/6.34 [2019-03-28 11:58:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.34 [2019-03-28 11:58:03,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.11/6.34 [2019-03-28 11:58:03,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.34 [2019-03-28 11:58:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.11/6.34 [2019-03-28 11:58:03,387 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.11/6.34 [2019-03-28 11:58:03,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.11/6.34 [2019-03-28 11:58:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.11/6.34 [2019-03-28 11:58:03,411 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 13.11/6.34 [2019-03-28 11:58:03,412 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 13.11/6.34 [2019-03-28 11:58:03,412 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 13.11/6.34 [2019-03-28 11:58:03,433 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 8 states. 13.11/6.34 [2019-03-28 11:58:03,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 13.11/6.34 [2019-03-28 11:58:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 13.11/6.34 [2019-03-28 11:58:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 13.11/6.34 [2019-03-28 11:58:03,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 13.11/6.34 [2019-03-28 11:58:03,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 13.11/6.34 [2019-03-28 11:58:03,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 13.11/6.34 [2019-03-28 11:58:03,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.11/6.34 [2019-03-28 11:58:03,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. 13.11/6.34 [2019-03-28 11:58:03,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.11/6.34 [2019-03-28 11:58:03,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.11/6.34 [2019-03-28 11:58:03,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.11/6.34 [2019-03-28 11:58:03,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.11/6.34 [2019-03-28 11:58:03,440 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,440 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,440 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,440 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.11/6.34 [2019-03-28 11:58:03,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.11/6.34 [2019-03-28 11:58:03,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.11/6.34 [2019-03-28 11:58:03,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.11/6.34 [2019-03-28 11:58:03,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:58:03 BasicIcfg 13.11/6.34 [2019-03-28 11:58:03,447 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.11/6.34 [2019-03-28 11:58:03,447 INFO L168 Benchmark]: Toolchain (without parser) took 1832.30 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 488.5 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,449 INFO L168 Benchmark]: CDTParser took 0.18 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. 13.11/6.34 [2019-03-28 11:58:03,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.18 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 617.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 649.6 MB. Free memory was 617.2 MB in the beginning and 615.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,451 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 ms. Allocated memory is still 649.6 MB. Free memory was 615.9 MB in the beginning and 612.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,452 INFO L168 Benchmark]: RCFGBuilder took 213.02 ms. Allocated memory is still 649.6 MB. Free memory was 612.8 MB in the beginning and 599.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,452 INFO L168 Benchmark]: BlockEncodingV2 took 83.14 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 594.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,453 INFO L168 Benchmark]: TraceAbstraction took 153.08 ms. Allocated memory is still 649.6 MB. Free memory was 594.4 MB in the beginning and 585.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,453 INFO L168 Benchmark]: BuchiAutomizer took 1034.88 ms. Allocated memory is still 649.6 MB. Free memory was 585.0 MB in the beginning and 488.5 MB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 50.3 GB. 13.11/6.34 [2019-03-28 11:58:03,457 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.11/6.34 --- Results --- 13.11/6.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.11/6.34 - StatisticsResult: Initial Icfg 13.11/6.34 8 locations, 11 edges 13.11/6.34 - StatisticsResult: Encoded RCFG 13.11/6.34 3 locations, 4 edges 13.11/6.34 * Results from de.uni_freiburg.informatik.ultimate.core: 13.11/6.34 - StatisticsResult: Toolchain Benchmarks 13.11/6.34 Benchmark results are: 13.11/6.34 * CDTParser took 0.18 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. 13.11/6.34 * CACSL2BoogieTranslator took 285.18 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 617.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 50.3 GB. 13.11/6.34 * Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 649.6 MB. Free memory was 617.2 MB in the beginning and 615.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.11/6.34 * Boogie Preprocessor took 20.29 ms. Allocated memory is still 649.6 MB. Free memory was 615.9 MB in the beginning and 612.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.11/6.34 * RCFGBuilder took 213.02 ms. Allocated memory is still 649.6 MB. Free memory was 612.8 MB in the beginning and 599.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.11/6.34 * BlockEncodingV2 took 83.14 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 594.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.11/6.34 * TraceAbstraction took 153.08 ms. Allocated memory is still 649.6 MB. Free memory was 594.4 MB in the beginning and 585.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.11/6.34 * BuchiAutomizer took 1034.88 ms. Allocated memory is still 649.6 MB. Free memory was 585.0 MB in the beginning and 488.5 MB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 50.3 GB. 13.11/6.34 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.11/6.34 - AllSpecificationsHoldResult: All specifications hold 13.11/6.34 We were not able to verify any specifiation because the program does not contain any specification. 13.11/6.34 - InvariantResult [Line: 14]: Loop Invariant 13.11/6.34 Derived loop invariant: 1 13.11/6.34 - StatisticsResult: Ultimate Automizer benchmark data 13.11/6.34 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 13.11/6.34 - StatisticsResult: Constructed decomposition of program 13.11/6.34 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function p and consists of 4 locations. 13.11/6.34 - StatisticsResult: Timing statistics 13.11/6.34 BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 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 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.11/6.35 - TerminationAnalysisResult: Termination proven 13.11/6.35 Buchi Automizer proved that your program is terminating 13.11/6.35 RESULT: Ultimate proved your program to be correct! 13.11/6.35 !SESSION 2019-03-28 11:57:58.336 ----------------------------------------------- 13.11/6.35 eclipse.buildId=unknown 13.11/6.35 java.version=1.8.0_181 13.11/6.35 java.vendor=Oracle Corporation 13.11/6.35 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.11/6.35 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.11/6.35 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 13.11/6.35 13.11/6.35 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:58:03.689 13.11/6.35 !MESSAGE The workspace will exit with unsaved changes in this session. 13.11/6.35 Received shutdown request... 13.11/6.35 Ultimate: 13.11/6.35 GTK+ Version Check 13.11/6.35 EOF