15.21/7.14 NO 15.21/7.14 15.21/7.14 Ultimate: Cannot open display: 15.21/7.14 This is Ultimate 0.1.24-8dc7c08-m 15.21/7.14 [2019-03-29 02:03:15,767 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.21/7.14 [2019-03-29 02:03:15,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.21/7.14 [2019-03-29 02:03:15,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.21/7.14 [2019-03-29 02:03:15,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.21/7.14 [2019-03-29 02:03:15,783 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.21/7.14 [2019-03-29 02:03:15,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.21/7.14 [2019-03-29 02:03:15,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.21/7.14 [2019-03-29 02:03:15,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.21/7.14 [2019-03-29 02:03:15,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.21/7.14 [2019-03-29 02:03:15,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.21/7.14 [2019-03-29 02:03:15,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.21/7.14 [2019-03-29 02:03:15,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.21/7.14 [2019-03-29 02:03:15,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.21/7.14 [2019-03-29 02:03:15,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.21/7.14 [2019-03-29 02:03:15,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.21/7.14 [2019-03-29 02:03:15,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.21/7.14 [2019-03-29 02:03:15,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.21/7.14 [2019-03-29 02:03:15,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.21/7.14 [2019-03-29 02:03:15,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.21/7.14 [2019-03-29 02:03:15,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.21/7.14 [2019-03-29 02:03:15,804 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.21/7.14 [2019-03-29 02:03:15,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.21/7.14 [2019-03-29 02:03:15,805 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.21/7.14 [2019-03-29 02:03:15,806 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.21/7.14 [2019-03-29 02:03:15,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.21/7.14 [2019-03-29 02:03:15,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.21/7.14 [2019-03-29 02:03:15,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.21/7.14 [2019-03-29 02:03:15,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.21/7.14 [2019-03-29 02:03:15,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.21/7.14 [2019-03-29 02:03:15,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.21/7.14 [2019-03-29 02:03:15,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.21/7.14 [2019-03-29 02:03:15,811 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.21/7.14 [2019-03-29 02:03:15,826 INFO L110 SettingsManager]: Loading preferences was successful 15.21/7.14 [2019-03-29 02:03:15,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.21/7.14 [2019-03-29 02:03:15,828 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.21/7.14 [2019-03-29 02:03:15,828 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.21/7.14 [2019-03-29 02:03:15,828 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.21/7.14 [2019-03-29 02:03:15,828 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.21/7.14 [2019-03-29 02:03:15,828 INFO L133 SettingsManager]: * Use SBE=true 15.21/7.14 [2019-03-29 02:03:15,829 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.21/7.14 [2019-03-29 02:03:15,829 INFO L133 SettingsManager]: * Use old map elimination=false 15.21/7.14 [2019-03-29 02:03:15,829 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.21/7.14 [2019-03-29 02:03:15,829 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.21/7.14 [2019-03-29 02:03:15,829 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.21/7.14 [2019-03-29 02:03:15,829 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.21/7.14 [2019-03-29 02:03:15,830 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.21/7.14 [2019-03-29 02:03:15,830 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:15,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.21/7.14 [2019-03-29 02:03:15,830 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.21/7.14 [2019-03-29 02:03:15,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.21/7.14 [2019-03-29 02:03:15,830 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.21/7.14 [2019-03-29 02:03:15,831 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.21/7.14 [2019-03-29 02:03:15,831 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.21/7.14 [2019-03-29 02:03:15,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.21/7.14 [2019-03-29 02:03:15,831 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.21/7.14 [2019-03-29 02:03:15,831 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.21/7.14 [2019-03-29 02:03:15,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.21/7.14 [2019-03-29 02:03:15,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.21/7.14 [2019-03-29 02:03:15,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.21/7.14 [2019-03-29 02:03:15,832 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.21/7.14 [2019-03-29 02:03:15,832 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.21/7.14 [2019-03-29 02:03:15,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.21/7.14 [2019-03-29 02:03:15,871 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.21/7.14 [2019-03-29 02:03:15,875 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.21/7.14 [2019-03-29 02:03:15,876 INFO L271 PluginConnector]: Initializing CDTParser... 15.21/7.14 [2019-03-29 02:03:15,877 INFO L276 PluginConnector]: CDTParser initialized 15.21/7.14 [2019-03-29 02:03:15,877 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.21/7.14 [2019-03-29 02:03:15,938 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ff7950b7eb1a4c4983a4f3fcb5435bce/FLAGce92c4848 15.21/7.14 [2019-03-29 02:03:16,271 INFO L307 CDTParser]: Found 1 translation units. 15.21/7.14 [2019-03-29 02:03:16,272 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.21/7.14 [2019-03-29 02:03:16,279 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ff7950b7eb1a4c4983a4f3fcb5435bce/FLAGce92c4848 15.21/7.14 [2019-03-29 02:03:16,675 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ff7950b7eb1a4c4983a4f3fcb5435bce 15.21/7.14 [2019-03-29 02:03:16,686 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.21/7.14 [2019-03-29 02:03:16,688 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.21/7.14 [2019-03-29 02:03:16,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.21/7.14 [2019-03-29 02:03:16,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.21/7.14 [2019-03-29 02:03:16,693 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.21/7.14 [2019-03-29 02:03:16,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:16,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@959d60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:16,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:16,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.21/7.14 [2019-03-29 02:03:16,723 INFO L176 MainTranslator]: Built tables and reachable declarations 15.21/7.14 [2019-03-29 02:03:16,880 INFO L206 PostProcessor]: Analyzing one entry point: main 15.21/7.14 [2019-03-29 02:03:16,885 INFO L191 MainTranslator]: Completed pre-run 15.21/7.14 [2019-03-29 02:03:16,903 INFO L206 PostProcessor]: Analyzing one entry point: main 15.21/7.14 [2019-03-29 02:03:16,918 INFO L195 MainTranslator]: Completed translation 15.21/7.14 [2019-03-29 02:03:16,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16 WrapperNode 15.21/7.14 [2019-03-29 02:03:16,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.21/7.14 [2019-03-29 02:03:16,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.21/7.14 [2019-03-29 02:03:16,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.21/7.14 [2019-03-29 02:03:16,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.21/7.14 [2019-03-29 02:03:16,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.21/7.14 [2019-03-29 02:03:17,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.21/7.14 [2019-03-29 02:03:17,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.21/7.14 [2019-03-29 02:03:17,028 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.21/7.14 [2019-03-29 02:03:17,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.21/7.14 [2019-03-29 02:03:17,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.21/7.14 [2019-03-29 02:03:17,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.21/7.14 [2019-03-29 02:03:17,050 INFO L276 PluginConnector]: RCFGBuilder initialized 15.21/7.14 [2019-03-29 02:03:17,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (1/1) ... 15.21/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.21/7.14 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.21/7.14 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.21/7.14 [2019-03-29 02:03:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.21/7.14 [2019-03-29 02:03:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.21/7.14 [2019-03-29 02:03:17,274 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.21/7.14 [2019-03-29 02:03:17,275 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 15.21/7.14 [2019-03-29 02:03:17,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:17 BoogieIcfgContainer 15.21/7.14 [2019-03-29 02:03:17,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.21/7.14 [2019-03-29 02:03:17,277 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.21/7.14 [2019-03-29 02:03:17,277 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.21/7.14 [2019-03-29 02:03:17,280 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.21/7.14 [2019-03-29 02:03:17,281 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:17" (1/1) ... 15.21/7.14 [2019-03-29 02:03:17,298 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges 15.21/7.14 [2019-03-29 02:03:17,299 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.21/7.14 [2019-03-29 02:03:17,300 INFO L263 BlockEncoder]: Using Maximize final states 15.21/7.14 [2019-03-29 02:03:17,301 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.21/7.14 [2019-03-29 02:03:17,301 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.21/7.14 [2019-03-29 02:03:17,303 INFO L296 BlockEncoder]: Using Remove sink states 15.21/7.14 [2019-03-29 02:03:17,304 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.21/7.14 [2019-03-29 02:03:17,305 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.21/7.14 [2019-03-29 02:03:17,323 INFO L185 BlockEncoder]: Using Use SBE 15.21/7.14 [2019-03-29 02:03:17,340 INFO L200 BlockEncoder]: SBE split 3 edges 15.21/7.14 [2019-03-29 02:03:17,345 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 15.21/7.14 [2019-03-29 02:03:17,347 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.21/7.14 [2019-03-29 02:03:17,362 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.21/7.14 [2019-03-29 02:03:17,364 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.21/7.14 [2019-03-29 02:03:17,365 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.21/7.14 [2019-03-29 02:03:17,366 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.21/7.14 [2019-03-29 02:03:17,366 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.21/7.14 [2019-03-29 02:03:17,366 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.21/7.14 [2019-03-29 02:03:17,367 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 12 edges 15.21/7.14 [2019-03-29 02:03:17,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:17 BasicIcfg 15.21/7.14 [2019-03-29 02:03:17,367 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.21/7.14 [2019-03-29 02:03:17,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.21/7.14 [2019-03-29 02:03:17,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.21/7.14 [2019-03-29 02:03:17,372 INFO L276 PluginConnector]: TraceAbstraction initialized 15.21/7.14 [2019-03-29 02:03:17,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:03:16" (1/4) ... 15.21/7.14 [2019-03-29 02:03:17,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdb3e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (2/4) ... 15.21/7.14 [2019-03-29 02:03:17,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdb3e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:17" (3/4) ... 15.21/7.14 [2019-03-29 02:03:17,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdb3e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:17" (4/4) ... 15.21/7.14 [2019-03-29 02:03:17,375 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.21/7.14 [2019-03-29 02:03:17,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.21/7.14 [2019-03-29 02:03:17,393 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.21/7.14 [2019-03-29 02:03:17,411 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.21/7.14 [2019-03-29 02:03:17,443 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.21/7.14 [2019-03-29 02:03:17,444 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.21/7.14 [2019-03-29 02:03:17,444 INFO L383 AbstractCegarLoop]: Hoare is true 15.21/7.14 [2019-03-29 02:03:17,444 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.21/7.14 [2019-03-29 02:03:17,444 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.21/7.14 [2019-03-29 02:03:17,444 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.21/7.14 [2019-03-29 02:03:17,445 INFO L387 AbstractCegarLoop]: Difference is false 15.21/7.14 [2019-03-29 02:03:17,445 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.21/7.14 [2019-03-29 02:03:17,445 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.21/7.14 [2019-03-29 02:03:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. 15.21/7.14 [2019-03-29 02:03:17,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.21/7.14 [2019-03-29 02:03:17,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. 15.21/7.14 [2019-03-29 02:03:17,519 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 27) no Hoare annotation was computed. 15.21/7.14 [2019-03-29 02:03:17,519 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.21/7.14 [2019-03-29 02:03:17,520 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 31) the Hoare annotation is: true 15.21/7.14 [2019-03-29 02:03:17,520 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 25) the Hoare annotation is: true 15.21/7.14 [2019-03-29 02:03:17,520 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 17 27) no Hoare annotation was computed. 15.21/7.14 [2019-03-29 02:03:17,520 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 26) no Hoare annotation was computed. 15.21/7.14 [2019-03-29 02:03:17,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:17 BasicIcfg 15.21/7.14 [2019-03-29 02:03:17,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.21/7.14 [2019-03-29 02:03:17,529 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.21/7.14 [2019-03-29 02:03:17,529 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.21/7.14 [2019-03-29 02:03:17,533 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.21/7.14 [2019-03-29 02:03:17,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/7.14 [2019-03-29 02:03:17,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:03:16" (1/5) ... 15.21/7.14 [2019-03-29 02:03:17,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63dce963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,535 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/7.14 [2019-03-29 02:03:17,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:16" (2/5) ... 15.21/7.14 [2019-03-29 02:03:17,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63dce963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,535 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/7.14 [2019-03-29 02:03:17,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:17" (3/5) ... 15.21/7.14 [2019-03-29 02:03:17,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63dce963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/7.14 [2019-03-29 02:03:17,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:17" (4/5) ... 15.21/7.14 [2019-03-29 02:03:17,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63dce963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:17, skipping insertion in model container 15.21/7.14 [2019-03-29 02:03:17,537 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.21/7.14 [2019-03-29 02:03:17,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:17" (5/5) ... 15.21/7.14 [2019-03-29 02:03:17,538 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.21/7.14 [2019-03-29 02:03:17,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.21/7.14 [2019-03-29 02:03:17,566 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.21/7.14 [2019-03-29 02:03:17,566 INFO L375 BuchiCegarLoop]: Hoare is true 15.21/7.14 [2019-03-29 02:03:17,566 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.21/7.14 [2019-03-29 02:03:17,566 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.21/7.14 [2019-03-29 02:03:17,566 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.21/7.14 [2019-03-29 02:03:17,566 INFO L379 BuchiCegarLoop]: Difference is false 15.21/7.14 [2019-03-29 02:03:17,566 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.21/7.14 [2019-03-29 02:03:17,567 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.21/7.14 [2019-03-29 02:03:17,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 15.21/7.14 [2019-03-29 02:03:17,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.21/7.14 [2019-03-29 02:03:17,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/7.14 [2019-03-29 02:03:17,588 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/7.14 [2019-03-29 02:03:17,595 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/7.14 [2019-03-29 02:03:17,596 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/7.14 [2019-03-29 02:03:17,596 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.21/7.14 [2019-03-29 02:03:17,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 15.21/7.14 [2019-03-29 02:03:17,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 15.21/7.14 [2019-03-29 02:03:17,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/7.14 [2019-03-29 02:03:17,597 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/7.14 [2019-03-29 02:03:17,597 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.21/7.14 [2019-03-29 02:03:17,598 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.21/7.14 [2019-03-29 02:03:17,603 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [45] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 5#L13-2true 15.21/7.14 [2019-03-29 02:03:17,603 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true [60] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~xtmp~0_5 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 6#L17true [62] L17-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 0) (<= v_ULTIMATE.start_main_~x~0_8 0)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 8#L23-3true [53] L23-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_4)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L13-2true 15.21/7.14 [2019-03-29 02:03:17,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:17,609 INFO L82 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:17,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:17,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:17,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:17,681 INFO L82 PathProgramCache]: Analyzing trace with hash 89426, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:17,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:17,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:17,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:17,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2323751, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:17,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:17,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:17,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:17,785 INFO L216 LassoAnalysis]: Preferences: 15.21/7.14 [2019-03-29 02:03:17,786 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.21/7.14 [2019-03-29 02:03:17,786 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.21/7.14 [2019-03-29 02:03:17,787 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.21/7.14 [2019-03-29 02:03:17,787 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.21/7.14 [2019-03-29 02:03:17,787 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:17,787 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.21/7.14 [2019-03-29 02:03:17,787 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.21/7.14 [2019-03-29 02:03:17,787 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.21/7.14 [2019-03-29 02:03:17,788 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.21/7.14 [2019-03-29 02:03:17,788 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.21/7.14 [2019-03-29 02:03:17,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:17,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:17,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:17,934 INFO L300 LassoAnalysis]: Preprocessing complete. 15.21/7.14 [2019-03-29 02:03:17,935 INFO L412 LassoAnalysis]: Checking for nontermination... 15.21/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.21/7.14 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/7.14 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:17,943 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/7.14 [2019-03-29 02:03:17,943 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/7.14 [2019-03-29 02:03:17,976 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.21/7.14 [2019-03-29 02:03:17,977 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.21/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.21/7.14 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/7.14 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:17,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/7.14 [2019-03-29 02:03:17,986 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/7.14 [2019-03-29 02:03:18,015 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.21/7.14 [2019-03-29 02:03:18,015 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.21/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.21/7.14 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/7.14 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:18,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.21/7.14 [2019-03-29 02:03:18,024 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/7.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.21/7.14 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.21/7.14 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:18,063 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.21/7.14 [2019-03-29 02:03:18,063 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.21/7.14 [2019-03-29 02:03:18,461 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.21/7.14 [2019-03-29 02:03:18,465 INFO L216 LassoAnalysis]: Preferences: 15.21/7.14 [2019-03-29 02:03:18,465 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.21/7.14 [2019-03-29 02:03:18,465 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.21/7.14 [2019-03-29 02:03:18,465 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.21/7.14 [2019-03-29 02:03:18,465 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.21/7.14 [2019-03-29 02:03:18,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.21/7.14 [2019-03-29 02:03:18,466 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.21/7.14 [2019-03-29 02:03:18,466 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.21/7.14 [2019-03-29 02:03:18,466 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.21/7.14 [2019-03-29 02:03:18,466 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.21/7.14 [2019-03-29 02:03:18,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.21/7.14 [2019-03-29 02:03:18,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:18,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:18,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.21/7.14 [2019-03-29 02:03:18,579 INFO L300 LassoAnalysis]: Preprocessing complete. 15.21/7.14 [2019-03-29 02:03:18,585 INFO L497 LassoAnalysis]: Using template 'affine'. 15.21/7.14 [2019-03-29 02:03:18,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.21/7.14 Termination analysis: LINEAR_WITH_GUESSES 15.21/7.14 Number of strict supporting invariants: 0 15.21/7.14 Number of non-strict supporting invariants: 1 15.21/7.14 Consider only non-deceasing supporting invariants: true 15.21/7.14 Simplify termination arguments: true 15.21/7.14 Simplify supporting invariants: trueOverapproximate stem: false 15.21/7.14 [2019-03-29 02:03:18,589 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.21/7.14 [2019-03-29 02:03:18,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.21/7.14 [2019-03-29 02:03:18,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.21/7.14 [2019-03-29 02:03:18,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.21/7.14 [2019-03-29 02:03:18,590 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.21/7.14 [2019-03-29 02:03:18,593 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.21/7.14 [2019-03-29 02:03:18,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.21/7.14 [2019-03-29 02:03:18,611 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.21/7.14 [2019-03-29 02:03:18,622 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.21/7.14 [2019-03-29 02:03:18,622 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. 15.21/7.14 [2019-03-29 02:03:18,624 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.21/7.14 [2019-03-29 02:03:18,624 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.21/7.14 [2019-03-29 02:03:18,625 INFO L518 LassoAnalysis]: Proved termination. 15.21/7.14 [2019-03-29 02:03:18,626 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.21/7.14 Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 1 15.21/7.14 Supporting invariants [] 15.21/7.14 [2019-03-29 02:03:18,627 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.21/7.14 [2019-03-29 02:03:18,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/7.14 [2019-03-29 02:03:18,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.21/7.14 [2019-03-29 02:03:18,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.21/7.14 [2019-03-29 02:03:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.21/7.14 [2019-03-29 02:03:18,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core 15.21/7.14 [2019-03-29 02:03:18,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.21/7.14 [2019-03-29 02:03:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.21/7.14 [2019-03-29 02:03:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:18,777 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 15.21/7.14 [2019-03-29 02:03:18,797 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.21/7.14 [2019-03-29 02:03:18,802 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 3 loop predicates 15.21/7.14 [2019-03-29 02:03:18,804 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states. Second operand 4 states. 15.21/7.14 [2019-03-29 02:03:19,079 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states.. Second operand 4 states. Result 54 states and 114 transitions. Complement of second has 17 states. 15.21/7.14 [2019-03-29 02:03:19,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 2 accepting loop states 15.21/7.14 [2019-03-29 02:03:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.21/7.14 [2019-03-29 02:03:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62 transitions. 15.21/7.14 [2019-03-29 02:03:19,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62 transitions. Stem has 1 letters. Loop has 3 letters. 15.21/7.14 [2019-03-29 02:03:19,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/7.14 [2019-03-29 02:03:19,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62 transitions. Stem has 4 letters. Loop has 3 letters. 15.21/7.14 [2019-03-29 02:03:19,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/7.14 [2019-03-29 02:03:19,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 62 transitions. Stem has 1 letters. Loop has 6 letters. 15.21/7.14 [2019-03-29 02:03:19,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.21/7.14 [2019-03-29 02:03:19,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 114 transitions. 15.21/7.14 [2019-03-29 02:03:19,101 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 15.21/7.14 [2019-03-29 02:03:19,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 40 states and 79 transitions. 15.21/7.14 [2019-03-29 02:03:19,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 15.21/7.14 [2019-03-29 02:03:19,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 15.21/7.14 [2019-03-29 02:03:19,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 79 transitions. 15.21/7.14 [2019-03-29 02:03:19,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.21/7.14 [2019-03-29 02:03:19,111 INFO L706 BuchiCegarLoop]: Abstraction has 40 states and 79 transitions. 15.21/7.14 [2019-03-29 02:03:19,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 79 transitions. 15.21/7.14 [2019-03-29 02:03:19,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 20. 15.21/7.14 [2019-03-29 02:03:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. 15.21/7.14 [2019-03-29 02:03:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 41 transitions. 15.21/7.14 [2019-03-29 02:03:19,146 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 41 transitions. 15.21/7.14 [2019-03-29 02:03:19,146 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 41 transitions. 15.21/7.14 [2019-03-29 02:03:19,146 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.21/7.14 [2019-03-29 02:03:19,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 41 transitions. 15.21/7.14 [2019-03-29 02:03:19,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 15.21/7.14 [2019-03-29 02:03:19,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.21/7.14 [2019-03-29 02:03:19,147 INFO L119 BuchiIsEmpty]: Starting construction of run 15.21/7.14 [2019-03-29 02:03:19,148 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.21/7.14 [2019-03-29 02:03:19,148 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.21/7.14 [2019-03-29 02:03:19,148 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY [45] ULTIMATE.startENTRY-->L13-2: 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|)) 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_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 126#L13-2 [60] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~xtmp~0_5 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 131#L17 [57] L17-->L20: Formula: (and (> v_ULTIMATE.start_main_~x~0_9 0) (> v_ULTIMATE.start_main_~y~0_11 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 134#L20 15.21/7.14 [2019-03-29 02:03:19,149 INFO L796 eck$LassoCheckResult]: Loop: 134#L20 [54] L20-->L23-3: Formula: (and (= v_ULTIMATE.start_main_~y~0_12 0) (= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 124#L23-3 [53] L23-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_4)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 136#L13-2 [60] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~xtmp~0_5 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 141#L17 [57] L17-->L20: Formula: (and (> v_ULTIMATE.start_main_~x~0_9 0) (> v_ULTIMATE.start_main_~y~0_11 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 134#L20 15.21/7.14 [2019-03-29 02:03:19,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:19,149 INFO L82 PathProgramCache]: Analyzing trace with hash 74953, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:19,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:19,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:19,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2585085, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:19,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:19,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:19,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.21/7.14 [2019-03-29 02:03:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 502854341, now seen corresponding path program 1 times 15.21/7.14 [2019-03-29 02:03:19,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.21/7.14 [2019-03-29 02:03:19,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.21/7.14 [2019-03-29 02:03:19,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.21/7.14 [2019-03-29 02:03:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.21/7.14 [2019-03-29 02:03:19,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:19 BasicIcfg 15.21/7.14 [2019-03-29 02:03:19,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.21/7.14 [2019-03-29 02:03:19,294 INFO L168 Benchmark]: Toolchain (without parser) took 2606.56 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 564.9 MB in the beginning and 476.1 MB in the end (delta: 88.8 MB). Peak memory consumption was 120.8 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,296 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.83 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.87 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 555.3 MB in the beginning and 648.2 MB in the end (delta: -92.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,298 INFO L168 Benchmark]: Boogie Preprocessor took 21.70 ms. Allocated memory is still 681.6 MB. Free memory was 648.2 MB in the beginning and 646.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,298 INFO L168 Benchmark]: RCFGBuilder took 227.12 ms. Allocated memory is still 681.6 MB. Free memory was 646.8 MB in the beginning and 630.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,299 INFO L168 Benchmark]: BlockEncodingV2 took 90.20 ms. Allocated memory is still 681.6 MB. Free memory was 630.8 MB in the beginning and 625.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,299 INFO L168 Benchmark]: TraceAbstraction took 160.61 ms. Allocated memory is still 681.6 MB. Free memory was 625.4 MB in the beginning and 616.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,300 INFO L168 Benchmark]: BuchiAutomizer took 1763.78 ms. Allocated memory is still 681.6 MB. Free memory was 616.0 MB in the beginning and 476.1 MB in the end (delta: 139.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 50.3 GB. 15.21/7.14 [2019-03-29 02:03:19,305 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.21/7.14 --- Results --- 15.21/7.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.21/7.14 - StatisticsResult: Initial Icfg 15.21/7.14 10 locations, 15 edges 15.21/7.14 - StatisticsResult: Encoded RCFG 15.21/7.14 6 locations, 12 edges 15.21/7.14 * Results from de.uni_freiburg.informatik.ultimate.core: 15.21/7.14 - StatisticsResult: Toolchain Benchmarks 15.21/7.14 Benchmark results are: 15.21/7.14 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.21/7.14 * CACSL2BoogieTranslator took 229.83 ms. Allocated memory is still 649.6 MB. Free memory was 564.9 MB in the beginning and 555.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 15.21/7.14 * Boogie Procedure Inliner took 107.87 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 555.3 MB in the beginning and 648.2 MB in the end (delta: -92.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 15.21/7.14 * Boogie Preprocessor took 21.70 ms. Allocated memory is still 681.6 MB. Free memory was 648.2 MB in the beginning and 646.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.21/7.14 * RCFGBuilder took 227.12 ms. Allocated memory is still 681.6 MB. Free memory was 646.8 MB in the beginning and 630.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.21/7.14 * BlockEncodingV2 took 90.20 ms. Allocated memory is still 681.6 MB. Free memory was 630.8 MB in the beginning and 625.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.21/7.14 * TraceAbstraction took 160.61 ms. Allocated memory is still 681.6 MB. Free memory was 625.4 MB in the beginning and 616.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 15.27/7.14 * BuchiAutomizer took 1763.78 ms. Allocated memory is still 681.6 MB. Free memory was 616.0 MB in the beginning and 476.1 MB in the end (delta: 139.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 50.3 GB. 15.27/7.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.27/7.14 - AllSpecificationsHoldResult: All specifications hold 15.27/7.14 We were not able to verify any specifiation because the program does not contain any specification. 15.27/7.14 - InvariantResult [Line: 23]: Loop Invariant 15.27/7.14 Derived loop invariant: 1 15.27/7.14 - InvariantResult [Line: 13]: Loop Invariant 15.27/7.14 Derived loop invariant: 1 15.27/7.14 - StatisticsResult: Ultimate Automizer benchmark data 15.27/7.14 CFG has 1 procedures, 6 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=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.27/7.14 - StatisticsResult: Constructed decomposition of program 15.27/7.14 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * x + 1 and consists of 10 locations. The remainder module has 20 locations. 15.27/7.14 - StatisticsResult: Timing statistics 15.27/7.14 BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 55 SDslu, 18 SDs, 0 SdLazy, 84 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf106 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 15.27/7.14 - TerminationAnalysisResult: Nontermination possible 15.27/7.14 Buchi Automizer proved that your program is nonterminating for some inputs 15.27/7.14 - FixpointNonTerminationResult [Line: 20]: Nontermination argument in form of an infinite program execution. 15.27/7.14 Nontermination argument in form of an infinite execution 15.27/7.14 State at position 0 is 15.27/7.14 {} 15.27/7.14 State at position 1 is 15.27/7.14 {xtmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@499123f8=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27e49e1b=0, x=1, y=1} 15.27/7.14 - StatisticsResult: NonterminationArgumentStatistics 15.27/7.14 Fixpoint 15.27/7.14 - NonterminatingLassoResult [Line: 20]: Nonterminating execution 15.27/7.14 Found a nonterminating execution for the following lasso shaped sequence of statements. 15.27/7.14 Stem: 15.27/7.14 [L6] int x; 15.27/7.14 [L7] int y; 15.27/7.14 [L8] int tmp; 15.27/7.14 [L9] int xtmp; 15.27/7.14 [L10] x = __VERIFIER_nondet_int() 15.27/7.14 [L11] y = __VERIFIER_nondet_int() 15.27/7.14 [L13] COND TRUE y != 0 15.27/7.14 [L14] tmp = y 15.27/7.14 [L15] xtmp = x 15.27/7.14 [L17] COND FALSE !(x <= 0 || y <= 0) 15.27/7.14 Loop: 15.27/7.14 [L20] COND TRUE x == y 15.27/7.14 [L21] y = 0 15.27/7.14 [L29] y = xtmp 15.27/7.14 [L30] x = tmp 15.27/7.14 [L13] COND TRUE y != 0 15.27/7.14 [L14] tmp = y 15.27/7.14 [L15] xtmp = x 15.27/7.14 [L17] COND FALSE !(x <= 0 || y <= 0) 15.27/7.14 End of lasso representation. 15.27/7.14 RESULT: Ultimate proved your program to be incorrect! 15.27/7.14 !SESSION 2019-03-29 02:03:13.360 ----------------------------------------------- 15.27/7.14 eclipse.buildId=unknown 15.27/7.14 java.version=1.8.0_181 15.27/7.14 java.vendor=Oracle Corporation 15.27/7.14 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.27/7.14 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.27/7.14 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.27/7.14 15.27/7.14 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:03:19.547 15.27/7.14 !MESSAGE The workspace will exit with unsaved changes in this session. 15.27/7.14 Received shutdown request... 15.27/7.14 Ultimate: 15.27/7.14 GTK+ Version Check 15.27/7.14 EOF