16.10/7.28 YES 16.10/7.28 16.10/7.28 Ultimate: Cannot open display: 16.10/7.28 This is Ultimate 0.1.24-8dc7c08-m 16.10/7.28 [2019-03-29 01:55:00,580 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.10/7.28 [2019-03-29 01:55:00,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.10/7.28 [2019-03-29 01:55:00,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,594 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.10/7.28 [2019-03-29 01:55:00,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.10/7.28 [2019-03-29 01:55:00,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.10/7.28 [2019-03-29 01:55:00,598 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.10/7.28 [2019-03-29 01:55:00,600 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.10/7.28 [2019-03-29 01:55:00,601 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.10/7.28 [2019-03-29 01:55:00,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,602 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.10/7.28 [2019-03-29 01:55:00,603 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.10/7.28 [2019-03-29 01:55:00,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.10/7.28 [2019-03-29 01:55:00,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.10/7.28 [2019-03-29 01:55:00,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.10/7.28 [2019-03-29 01:55:00,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.10/7.28 [2019-03-29 01:55:00,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.10/7.28 [2019-03-29 01:55:00,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.10/7.28 [2019-03-29 01:55:00,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.10/7.28 [2019-03-29 01:55:00,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.10/7.28 [2019-03-29 01:55:00,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.10/7.28 [2019-03-29 01:55:00,616 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.10/7.28 [2019-03-29 01:55:00,618 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.10/7.28 [2019-03-29 01:55:00,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.10/7.28 [2019-03-29 01:55:00,619 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.10/7.28 [2019-03-29 01:55:00,620 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.10/7.28 [2019-03-29 01:55:00,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.10/7.28 [2019-03-29 01:55:00,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.10/7.28 [2019-03-29 01:55:00,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.10/7.28 [2019-03-29 01:55:00,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.10/7.28 [2019-03-29 01:55:00,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.10/7.28 [2019-03-29 01:55:00,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.10/7.28 [2019-03-29 01:55:00,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.10/7.28 [2019-03-29 01:55:00,626 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.10/7.28 [2019-03-29 01:55:00,640 INFO L110 SettingsManager]: Loading preferences was successful 16.10/7.28 [2019-03-29 01:55:00,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.10/7.28 [2019-03-29 01:55:00,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.10/7.28 [2019-03-29 01:55:00,642 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.10/7.28 [2019-03-29 01:55:00,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.10/7.28 [2019-03-29 01:55:00,642 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.10/7.28 [2019-03-29 01:55:00,643 INFO L133 SettingsManager]: * Use SBE=true 16.10/7.28 [2019-03-29 01:55:00,643 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.10/7.28 [2019-03-29 01:55:00,643 INFO L133 SettingsManager]: * Use old map elimination=false 16.10/7.28 [2019-03-29 01:55:00,643 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.10/7.28 [2019-03-29 01:55:00,643 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.10/7.28 [2019-03-29 01:55:00,643 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.10/7.28 [2019-03-29 01:55:00,644 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.10/7.28 [2019-03-29 01:55:00,644 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.10/7.28 [2019-03-29 01:55:00,644 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:00,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.10/7.28 [2019-03-29 01:55:00,644 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.10/7.28 [2019-03-29 01:55:00,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.10/7.28 [2019-03-29 01:55:00,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.10/7.28 [2019-03-29 01:55:00,645 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.10/7.28 [2019-03-29 01:55:00,645 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.10/7.28 [2019-03-29 01:55:00,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.10/7.28 [2019-03-29 01:55:00,646 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.10/7.28 [2019-03-29 01:55:00,646 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.10/7.28 [2019-03-29 01:55:00,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.10/7.28 [2019-03-29 01:55:00,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.10/7.28 [2019-03-29 01:55:00,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.10/7.28 [2019-03-29 01:55:00,646 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.10/7.28 [2019-03-29 01:55:00,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.10/7.28 [2019-03-29 01:55:00,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.10/7.28 [2019-03-29 01:55:00,686 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.10/7.28 [2019-03-29 01:55:00,690 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.10/7.28 [2019-03-29 01:55:00,692 INFO L271 PluginConnector]: Initializing CDTParser... 16.10/7.28 [2019-03-29 01:55:00,692 INFO L276 PluginConnector]: CDTParser initialized 16.10/7.28 [2019-03-29 01:55:00,693 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.10/7.28 [2019-03-29 01:55:00,806 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e61014bb7b544b3bb53c950c7adb5dd4/FLAG272738937 16.10/7.28 [2019-03-29 01:55:01,144 INFO L307 CDTParser]: Found 1 translation units. 16.10/7.28 [2019-03-29 01:55:01,145 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.10/7.28 [2019-03-29 01:55:01,151 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e61014bb7b544b3bb53c950c7adb5dd4/FLAG272738937 16.10/7.28 [2019-03-29 01:55:01,563 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e61014bb7b544b3bb53c950c7adb5dd4 16.10/7.28 [2019-03-29 01:55:01,574 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.10/7.28 [2019-03-29 01:55:01,576 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.10/7.28 [2019-03-29 01:55:01,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.10/7.28 [2019-03-29 01:55:01,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.10/7.28 [2019-03-29 01:55:01,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.10/7.28 [2019-03-29 01:55:01,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d6f428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:01,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.10/7.28 [2019-03-29 01:55:01,609 INFO L176 MainTranslator]: Built tables and reachable declarations 16.10/7.28 [2019-03-29 01:55:01,765 INFO L206 PostProcessor]: Analyzing one entry point: main 16.10/7.28 [2019-03-29 01:55:01,770 INFO L191 MainTranslator]: Completed pre-run 16.10/7.28 [2019-03-29 01:55:01,787 INFO L206 PostProcessor]: Analyzing one entry point: main 16.10/7.28 [2019-03-29 01:55:01,802 INFO L195 MainTranslator]: Completed translation 16.10/7.28 [2019-03-29 01:55:01,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01 WrapperNode 16.10/7.28 [2019-03-29 01:55:01,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.10/7.28 [2019-03-29 01:55:01,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.10/7.28 [2019-03-29 01:55:01,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.10/7.28 [2019-03-29 01:55:01,804 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.10/7.28 [2019-03-29 01:55:01,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.10/7.28 [2019-03-29 01:55:01,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.10/7.28 [2019-03-29 01:55:01,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.10/7.28 [2019-03-29 01:55:01,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.10/7.28 [2019-03-29 01:55:01,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 [2019-03-29 01:55:01,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.10/7.28 [2019-03-29 01:55:01,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.10/7.28 [2019-03-29 01:55:01,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.10/7.28 [2019-03-29 01:55:01,925 INFO L276 PluginConnector]: RCFGBuilder initialized 16.10/7.28 [2019-03-29 01:55:01,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (1/1) ... 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.10/7.28 [2019-03-29 01:55:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.10/7.28 [2019-03-29 01:55:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.10/7.28 [2019-03-29 01:55:02,133 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.10/7.28 [2019-03-29 01:55:02,133 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.10/7.28 [2019-03-29 01:55:02,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02 BoogieIcfgContainer 16.10/7.28 [2019-03-29 01:55:02,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.10/7.28 [2019-03-29 01:55:02,135 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.10/7.28 [2019-03-29 01:55:02,136 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.10/7.28 [2019-03-29 01:55:02,138 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.10/7.28 [2019-03-29 01:55:02,139 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (1/1) ... 16.10/7.28 [2019-03-29 01:55:02,155 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 16.10/7.28 [2019-03-29 01:55:02,157 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.10/7.28 [2019-03-29 01:55:02,158 INFO L263 BlockEncoder]: Using Maximize final states 16.10/7.28 [2019-03-29 01:55:02,158 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.10/7.28 [2019-03-29 01:55:02,159 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.10/7.28 [2019-03-29 01:55:02,161 INFO L296 BlockEncoder]: Using Remove sink states 16.10/7.28 [2019-03-29 01:55:02,162 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.10/7.28 [2019-03-29 01:55:02,162 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.10/7.28 [2019-03-29 01:55:02,178 INFO L185 BlockEncoder]: Using Use SBE 16.10/7.28 [2019-03-29 01:55:02,193 INFO L200 BlockEncoder]: SBE split 1 edges 16.10/7.28 [2019-03-29 01:55:02,197 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.10/7.28 [2019-03-29 01:55:02,199 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.10/7.28 [2019-03-29 01:55:02,213 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.10/7.28 [2019-03-29 01:55:02,215 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.10/7.28 [2019-03-29 01:55:02,216 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.10/7.28 [2019-03-29 01:55:02,217 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.10/7.28 [2019-03-29 01:55:02,217 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.10/7.28 [2019-03-29 01:55:02,217 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.10/7.28 [2019-03-29 01:55:02,218 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 7 edges 16.10/7.28 [2019-03-29 01:55:02,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02 BasicIcfg 16.10/7.28 [2019-03-29 01:55:02,218 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.10/7.28 [2019-03-29 01:55:02,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.10/7.28 [2019-03-29 01:55:02,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.10/7.28 [2019-03-29 01:55:02,223 INFO L276 PluginConnector]: TraceAbstraction initialized 16.10/7.28 [2019-03-29 01:55:02,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:55:01" (1/4) ... 16.10/7.28 [2019-03-29 01:55:02,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (2/4) ... 16.10/7.28 [2019-03-29 01:55:02,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (3/4) ... 16.10/7.28 [2019-03-29 01:55:02,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807ac78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02" (4/4) ... 16.10/7.28 [2019-03-29 01:55:02,227 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.10/7.28 [2019-03-29 01:55:02,237 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.10/7.28 [2019-03-29 01:55:02,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.10/7.28 [2019-03-29 01:55:02,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.10/7.28 [2019-03-29 01:55:02,291 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.10/7.28 [2019-03-29 01:55:02,292 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.10/7.28 [2019-03-29 01:55:02,292 INFO L383 AbstractCegarLoop]: Hoare is true 16.10/7.28 [2019-03-29 01:55:02,292 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.10/7.28 [2019-03-29 01:55:02,293 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.10/7.28 [2019-03-29 01:55:02,293 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.10/7.28 [2019-03-29 01:55:02,293 INFO L387 AbstractCegarLoop]: Difference is false 16.10/7.28 [2019-03-29 01:55:02,293 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.10/7.28 [2019-03-29 01:55:02,293 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.10/7.28 [2019-03-29 01:55:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.10/7.28 [2019-03-29 01:55:02,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.10/7.28 [2019-03-29 01:55:02,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.10/7.28 [2019-03-29 01:55:02,365 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 16.10/7.28 [2019-03-29 01:55:02,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.10/7.28 [2019-03-29 01:55:02,366 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 11 21) the Hoare annotation is: true 16.10/7.28 [2019-03-29 01:55:02,366 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 20) no Hoare annotation was computed. 16.10/7.28 [2019-03-29 01:55:02,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02 BasicIcfg 16.10/7.28 [2019-03-29 01:55:02,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.10/7.28 [2019-03-29 01:55:02,375 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.10/7.28 [2019-03-29 01:55:02,376 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.10/7.28 [2019-03-29 01:55:02,379 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.10/7.28 [2019-03-29 01:55:02,380 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.10/7.28 [2019-03-29 01:55:02,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:55:01" (1/5) ... 16.10/7.28 [2019-03-29 01:55:02,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3237f22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,381 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.10/7.28 [2019-03-29 01:55:02,381 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:01" (2/5) ... 16.10/7.28 [2019-03-29 01:55:02,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3237f22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,382 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.10/7.28 [2019-03-29 01:55:02,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:02" (3/5) ... 16.10/7.28 [2019-03-29 01:55:02,382 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3237f22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,382 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.10/7.28 [2019-03-29 01:55:02,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:02" (4/5) ... 16.10/7.28 [2019-03-29 01:55:02,383 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3237f22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:02, skipping insertion in model container 16.10/7.28 [2019-03-29 01:55:02,383 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.10/7.28 [2019-03-29 01:55:02,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:02" (5/5) ... 16.10/7.28 [2019-03-29 01:55:02,385 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.10/7.28 [2019-03-29 01:55:02,413 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.10/7.28 [2019-03-29 01:55:02,413 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.10/7.28 [2019-03-29 01:55:02,414 INFO L375 BuchiCegarLoop]: Hoare is true 16.10/7.28 [2019-03-29 01:55:02,414 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.10/7.28 [2019-03-29 01:55:02,414 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.10/7.28 [2019-03-29 01:55:02,414 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.10/7.28 [2019-03-29 01:55:02,414 INFO L379 BuchiCegarLoop]: Difference is false 16.10/7.28 [2019-03-29 01:55:02,414 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.10/7.28 [2019-03-29 01:55:02,414 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.10/7.28 [2019-03-29 01:55:02,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.10/7.28 [2019-03-29 01:55:02,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:02,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.10/7.28 [2019-03-29 01:55:02,436 INFO L119 BuchiIsEmpty]: Starting construction of run 16.10/7.28 [2019-03-29 01:55:02,443 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.10/7.28 [2019-03-29 01:55:02,443 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.10/7.28 [2019-03-29 01:55:02,443 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.10/7.28 [2019-03-29 01:55:02,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.10/7.28 [2019-03-29 01:55:02,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:02,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.10/7.28 [2019-03-29 01:55:02,444 INFO L119 BuchiIsEmpty]: Starting construction of run 16.10/7.28 [2019-03-29 01:55:02,445 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.10/7.28 [2019-03-29 01:55:02,445 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.10/7.28 [2019-03-29 01:55:02,450 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [31] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 6#L15-2true 16.10/7.28 [2019-03-29 01:55:02,451 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-2true [37] L15-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 5#L12true [32] L12-->L15-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_11 v_ULTIMATE.start_main_~x~0_12) (= v_ULTIMATE.start_main_~x~0_11 (+ v_ULTIMATE.start_main_~x~0_12 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 6#L15-2true 16.10/7.28 [2019-03-29 01:55:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:02,457 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:02,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:02,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:02,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2140, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:02,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:02,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:02,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:02,546 INFO L82 PathProgramCache]: Analyzing trace with hash 60761, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:02,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:02,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:02,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:02,596 INFO L216 LassoAnalysis]: Preferences: 16.10/7.28 [2019-03-29 01:55:02,597 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.10/7.28 [2019-03-29 01:55:02,597 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.10/7.28 [2019-03-29 01:55:02,598 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.10/7.28 [2019-03-29 01:55:02,598 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.10/7.28 [2019-03-29 01:55:02,598 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,598 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.10/7.28 [2019-03-29 01:55:02,598 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.10/7.28 [2019-03-29 01:55:02,598 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.10/7.28 [2019-03-29 01:55:02,599 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.10/7.28 [2019-03-29 01:55:02,599 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.10/7.28 [2019-03-29 01:55:02,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:02,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:02,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:02,715 INFO L300 LassoAnalysis]: Preprocessing complete. 16.10/7.28 [2019-03-29 01:55:02,716 INFO L412 LassoAnalysis]: Checking for nontermination... 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,722 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:02,722 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:02,756 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.10/7.28 [2019-03-29 01:55:02,756 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: [] 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,763 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:02,763 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:02,791 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.10/7.28 [2019-03-29 01:55:02,791 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: [] 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:02,796 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,828 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:02,828 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:02,983 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.10/7.28 [2019-03-29 01:55:02,986 INFO L216 LassoAnalysis]: Preferences: 16.10/7.28 [2019-03-29 01:55:02,986 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.10/7.28 [2019-03-29 01:55:02,986 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.10/7.28 [2019-03-29 01:55:02,986 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.10/7.28 [2019-03-29 01:55:02,987 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.10/7.28 [2019-03-29 01:55:02,987 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:02,987 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.10/7.28 [2019-03-29 01:55:02,987 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.10/7.28 [2019-03-29 01:55:02,987 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.10/7.28 [2019-03-29 01:55:02,987 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.10/7.28 [2019-03-29 01:55:02,987 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.10/7.28 [2019-03-29 01:55:02,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:02,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:02,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,070 INFO L300 LassoAnalysis]: Preprocessing complete. 16.10/7.28 [2019-03-29 01:55:03,076 INFO L497 LassoAnalysis]: Using template 'affine'. 16.10/7.28 [2019-03-29 01:55:03,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.10/7.28 Termination analysis: LINEAR_WITH_GUESSES 16.10/7.28 Number of strict supporting invariants: 0 16.10/7.28 Number of non-strict supporting invariants: 1 16.10/7.28 Consider only non-deceasing supporting invariants: true 16.10/7.28 Simplify termination arguments: true 16.10/7.28 Simplify supporting invariants: trueOverapproximate stem: false 16.10/7.28 [2019-03-29 01:55:03,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.10/7.28 [2019-03-29 01:55:03,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.10/7.28 [2019-03-29 01:55:03,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.10/7.28 [2019-03-29 01:55:03,080 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.10/7.28 [2019-03-29 01:55:03,086 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.10/7.28 [2019-03-29 01:55:03,087 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.10/7.28 [2019-03-29 01:55:03,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.10/7.28 [2019-03-29 01:55:03,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.10/7.28 Termination analysis: LINEAR_WITH_GUESSES 16.10/7.28 Number of strict supporting invariants: 0 16.10/7.28 Number of non-strict supporting invariants: 1 16.10/7.28 Consider only non-deceasing supporting invariants: true 16.10/7.28 Simplify termination arguments: true 16.10/7.28 Simplify supporting invariants: trueOverapproximate stem: false 16.10/7.28 [2019-03-29 01:55:03,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.10/7.28 [2019-03-29 01:55:03,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.10/7.28 [2019-03-29 01:55:03,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.10/7.28 [2019-03-29 01:55:03,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.10/7.28 [2019-03-29 01:55:03,101 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.10/7.28 [2019-03-29 01:55:03,101 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.10/7.28 [2019-03-29 01:55:03,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.10/7.28 [2019-03-29 01:55:03,110 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.10/7.28 Termination analysis: LINEAR_WITH_GUESSES 16.10/7.28 Number of strict supporting invariants: 0 16.10/7.28 Number of non-strict supporting invariants: 1 16.10/7.28 Consider only non-deceasing supporting invariants: true 16.10/7.28 Simplify termination arguments: true 16.10/7.28 Simplify supporting invariants: trueOverapproximate stem: false 16.10/7.28 [2019-03-29 01:55:03,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.10/7.28 [2019-03-29 01:55:03,111 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.10/7.28 [2019-03-29 01:55:03,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.10/7.28 [2019-03-29 01:55:03,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.10/7.28 [2019-03-29 01:55:03,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.10/7.28 [2019-03-29 01:55:03,113 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.10/7.28 [2019-03-29 01:55:03,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.10/7.28 [2019-03-29 01:55:03,120 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.10/7.28 [2019-03-29 01:55:03,127 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.10/7.28 [2019-03-29 01:55:03,128 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 16.10/7.28 [2019-03-29 01:55:03,130 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.10/7.28 [2019-03-29 01:55:03,130 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.10/7.28 [2019-03-29 01:55:03,131 INFO L518 LassoAnalysis]: Proved termination. 16.10/7.28 [2019-03-29 01:55:03,131 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.10/7.28 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 16.10/7.28 Supporting invariants [] 16.10/7.28 [2019-03-29 01:55:03,133 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.10/7.28 [2019-03-29 01:55:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:03,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 16.10/7.28 [2019-03-29 01:55:03,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.10/7.28 [2019-03-29 01:55:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:03,194 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 16.10/7.28 [2019-03-29 01:55:03,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.10/7.28 [2019-03-29 01:55:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.10/7.28 [2019-03-29 01:55:03,241 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.10/7.28 [2019-03-29 01:55:03,246 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 16.10/7.28 [2019-03-29 01:55:03,248 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 16.10/7.28 [2019-03-29 01:55:03,311 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 11 states and 18 transitions. Complement of second has 7 states. 16.10/7.28 [2019-03-29 01:55:03,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 16.10/7.28 [2019-03-29 01:55:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.10/7.28 [2019-03-29 01:55:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. 16.10/7.28 [2019-03-29 01:55:03,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 1 letters. Loop has 2 letters. 16.10/7.28 [2019-03-29 01:55:03,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:03,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. 16.10/7.28 [2019-03-29 01:55:03,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:03,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 1 letters. Loop has 4 letters. 16.10/7.28 [2019-03-29 01:55:03,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:03,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 18 transitions. 16.10/7.28 [2019-03-29 01:55:03,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:03,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 18 transitions. 16.10/7.28 [2019-03-29 01:55:03,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 16.10/7.28 [2019-03-29 01:55:03,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.10/7.28 [2019-03-29 01:55:03,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 18 transitions. 16.10/7.28 [2019-03-29 01:55:03,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.10/7.28 [2019-03-29 01:55:03,333 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 18 transitions. 16.10/7.28 [2019-03-29 01:55:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 18 transitions. 16.10/7.28 [2019-03-29 01:55:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. 16.10/7.28 [2019-03-29 01:55:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 16.10/7.28 [2019-03-29 01:55:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. 16.10/7.28 [2019-03-29 01:55:03,363 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 16.10/7.28 [2019-03-29 01:55:03,363 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 16.10/7.28 [2019-03-29 01:55:03,363 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.10/7.28 [2019-03-29 01:55:03,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. 16.10/7.28 [2019-03-29 01:55:03,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:03,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.10/7.28 [2019-03-29 01:55:03,364 INFO L119 BuchiIsEmpty]: Starting construction of run 16.10/7.28 [2019-03-29 01:55:03,365 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.10/7.28 [2019-03-29 01:55:03,365 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.10/7.28 [2019-03-29 01:55:03,365 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [31] ULTIMATE.startENTRY-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 62#L15-2 [37] L15-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 63#L12 16.10/7.28 [2019-03-29 01:55:03,365 INFO L796 eck$LassoCheckResult]: Loop: 63#L12 [41] L12-->L15: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_13) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[] 56#L15 [43] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (> v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 57#L15-2 [37] L15-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 63#L12 16.10/7.28 [2019-03-29 01:55:03,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1959, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:03,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:03,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:03,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,378 INFO L82 PathProgramCache]: Analyzing trace with hash 70562, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:03,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:03,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.10/7.28 [2019-03-29 01:55:03,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.10/7.28 [2019-03-29 01:55:03,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.10/7.28 [2019-03-29 01:55:03,415 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.10/7.28 [2019-03-29 01:55:03,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.10/7.28 [2019-03-29 01:55:03,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.10/7.28 [2019-03-29 01:55:03,419 INFO L87 Difference]: Start difference. First operand 9 states and 15 transitions. cyclomatic complexity: 8 Second operand 3 states. 16.10/7.28 [2019-03-29 01:55:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.10/7.28 [2019-03-29 01:55:03,438 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.10/7.28 [2019-03-29 01:55:03,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:03,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.10/7.28 [2019-03-29 01:55:03,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.10/7.28 [2019-03-29 01:55:03,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.10/7.28 [2019-03-29 01:55:03,442 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. 16.10/7.28 [2019-03-29 01:55:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 16.10/7.28 [2019-03-29 01:55:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. 16.10/7.28 [2019-03-29 01:55:03,444 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 16.10/7.28 [2019-03-29 01:55:03,444 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 16.10/7.28 [2019-03-29 01:55:03,444 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.10/7.28 [2019-03-29 01:55:03,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. 16.10/7.28 [2019-03-29 01:55:03,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.10/7.28 [2019-03-29 01:55:03,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.10/7.28 [2019-03-29 01:55:03,445 INFO L119 BuchiIsEmpty]: Starting construction of run 16.10/7.28 [2019-03-29 01:55:03,446 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.10/7.28 [2019-03-29 01:55:03,446 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.10/7.28 [2019-03-29 01:55:03,446 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRY [31] ULTIMATE.startENTRY-->L15-2: 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_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~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_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 89#L15-2 [37] L15-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 90#L12 16.10/7.28 [2019-03-29 01:55:03,446 INFO L796 eck$LassoCheckResult]: Loop: 90#L12 [41] L12-->L15: Formula: (>= v_ULTIMATE.start_main_~y~0_12 v_ULTIMATE.start_main_~x~0_13) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[] 83#L15 [44] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (< v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 84#L15-2 [37] L15-2-->L12: Formula: (< 0 (+ v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~y~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[] 90#L12 16.10/7.28 [2019-03-29 01:55:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1959, now seen corresponding path program 2 times 16.10/7.28 [2019-03-29 01:55:03,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:03,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:03,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,454 INFO L82 PathProgramCache]: Analyzing trace with hash 70593, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:03,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:03,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:03,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,456 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,466 INFO L82 PathProgramCache]: Analyzing trace with hash 58401371, now seen corresponding path program 1 times 16.10/7.28 [2019-03-29 01:55:03,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.10/7.28 [2019-03-29 01:55:03,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.10/7.28 [2019-03-29 01:55:03,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.10/7.28 [2019-03-29 01:55:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.10/7.28 [2019-03-29 01:55:03,498 INFO L216 LassoAnalysis]: Preferences: 16.10/7.28 [2019-03-29 01:55:03,498 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.10/7.28 [2019-03-29 01:55:03,499 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.10/7.28 [2019-03-29 01:55:03,499 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.10/7.28 [2019-03-29 01:55:03,499 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.10/7.28 [2019-03-29 01:55:03,499 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,499 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.10/7.28 [2019-03-29 01:55:03,499 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.10/7.28 [2019-03-29 01:55:03,499 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.10/7.28 [2019-03-29 01:55:03,500 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.10/7.28 [2019-03-29 01:55:03,500 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.10/7.28 [2019-03-29 01:55:03,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,562 INFO L300 LassoAnalysis]: Preprocessing complete. 16.10/7.28 [2019-03-29 01:55:03,562 INFO L412 LassoAnalysis]: Checking for nontermination... 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,565 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:03,565 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:03,593 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.10/7.28 [2019-03-29 01:55:03,593 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,604 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:03,605 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:03,634 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.10/7.28 [2019-03-29 01:55:03,635 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,641 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:03,641 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.10/7.28 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.10/7.28 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,673 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.10/7.28 [2019-03-29 01:55:03,674 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.10/7.28 [2019-03-29 01:55:03,843 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.10/7.28 [2019-03-29 01:55:03,846 INFO L216 LassoAnalysis]: Preferences: 16.10/7.28 [2019-03-29 01:55:03,846 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.10/7.28 [2019-03-29 01:55:03,846 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.10/7.28 [2019-03-29 01:55:03,846 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.10/7.28 [2019-03-29 01:55:03,846 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.10/7.28 [2019-03-29 01:55:03,846 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.10/7.28 [2019-03-29 01:55:03,846 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.10/7.28 [2019-03-29 01:55:03,847 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.10/7.28 [2019-03-29 01:55:03,847 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.10/7.28 [2019-03-29 01:55:03,847 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.10/7.28 [2019-03-29 01:55:03,847 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.10/7.28 [2019-03-29 01:55:03,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.10/7.28 [2019-03-29 01:55:03,910 INFO L300 LassoAnalysis]: Preprocessing complete. 16.10/7.28 [2019-03-29 01:55:03,911 INFO L497 LassoAnalysis]: Using template 'affine'. 16.10/7.28 [2019-03-29 01:55:03,911 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.10/7.28 Termination analysis: LINEAR_WITH_GUESSES 16.10/7.28 Number of strict supporting invariants: 0 16.10/7.28 Number of non-strict supporting invariants: 1 16.10/7.28 Consider only non-deceasing supporting invariants: true 16.10/7.28 Simplify termination arguments: true 16.10/7.28 Simplify supporting invariants: trueOverapproximate stem: false 16.10/7.28 [2019-03-29 01:55:03,912 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.10/7.28 [2019-03-29 01:55:03,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.10/7.28 [2019-03-29 01:55:03,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.10/7.28 [2019-03-29 01:55:03,913 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.10/7.28 [2019-03-29 01:55:03,914 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.10/7.28 [2019-03-29 01:55:03,915 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.10/7.28 [2019-03-29 01:55:03,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.10/7.28 [2019-03-29 01:55:03,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.10/7.28 Termination analysis: LINEAR_WITH_GUESSES 16.10/7.28 Number of strict supporting invariants: 0 16.10/7.28 Number of non-strict supporting invariants: 1 16.10/7.28 Consider only non-deceasing supporting invariants: true 16.10/7.28 Simplify termination arguments: true 16.10/7.28 Simplify supporting invariants: trueOverapproximate stem: false 16.10/7.28 [2019-03-29 01:55:03,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.10/7.28 [2019-03-29 01:55:03,920 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.10/7.28 [2019-03-29 01:55:03,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.10/7.28 [2019-03-29 01:55:03,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.10/7.28 [2019-03-29 01:55:03,920 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.10/7.28 [2019-03-29 01:55:03,921 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.10/7.28 [2019-03-29 01:55:03,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.10/7.28 [2019-03-29 01:55:03,926 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.10/7.28 [2019-03-29 01:55:03,934 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.10/7.28 [2019-03-29 01:55:03,934 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 16.10/7.28 [2019-03-29 01:55:03,934 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.10/7.28 [2019-03-29 01:55:03,934 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.10/7.28 [2019-03-29 01:55:03,935 INFO L518 LassoAnalysis]: Proved termination. 16.10/7.28 [2019-03-29 01:55:03,935 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.10/7.28 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.10/7.28 Supporting invariants [] 16.10/7.28 [2019-03-29 01:55:03,935 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.10/7.28 [2019-03-29 01:55:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.10/7.28 [2019-03-29 01:55:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:03,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 16.10/7.28 [2019-03-29 01:55:03,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.10/7.28 [2019-03-29 01:55:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:03,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 16.10/7.28 [2019-03-29 01:55:03,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.10/7.28 [2019-03-29 01:55:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.10/7.28 [2019-03-29 01:55:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.10/7.28 [2019-03-29 01:55:04,041 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 16.10/7.28 [2019-03-29 01:55:04,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.10/7.28 [2019-03-29 01:55:04,115 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 6 predicates after loop cannibalization 16.10/7.28 [2019-03-29 01:55:04,115 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 6 loop predicates 16.10/7.28 [2019-03-29 01:55:04,115 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 4 states. 16.10/7.28 [2019-03-29 01:55:04,249 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 26 states and 38 transitions. Complement of second has 12 states. 16.10/7.28 [2019-03-29 01:55:04,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 16.10/7.28 [2019-03-29 01:55:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.10/7.28 [2019-03-29 01:55:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. 16.10/7.28 [2019-03-29 01:55:04,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 3 letters. 16.10/7.28 [2019-03-29 01:55:04,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:04,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 5 letters. Loop has 3 letters. 16.10/7.28 [2019-03-29 01:55:04,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:04,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 6 letters. 16.10/7.28 [2019-03-29 01:55:04,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.10/7.28 [2019-03-29 01:55:04,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions. 16.10/7.28 [2019-03-29 01:55:04,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.10/7.28 [2019-03-29 01:55:04,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.10/7.28 [2019-03-29 01:55:04,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.10/7.28 [2019-03-29 01:55:04,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.10/7.28 [2019-03-29 01:55:04,256 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,256 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,256 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,257 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.10/7.28 [2019-03-29 01:55:04,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.10/7.28 [2019-03-29 01:55:04,257 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.10/7.28 [2019-03-29 01:55:04,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.10/7.28 [2019-03-29 01:55:04,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:04 BasicIcfg 16.10/7.28 [2019-03-29 01:55:04,263 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.10/7.28 [2019-03-29 01:55:04,264 INFO L168 Benchmark]: Toolchain (without parser) took 2689.08 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 563.8 MB in the beginning and 409.6 MB in the end (delta: 154.2 MB). Peak memory consumption was 156.3 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,265 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.75 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.82 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 554.4 MB in the beginning and 618.0 MB in the end (delta: -63.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,267 INFO L168 Benchmark]: Boogie Preprocessor took 20.29 ms. Allocated memory is still 651.7 MB. Free memory was 618.0 MB in the beginning and 616.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,268 INFO L168 Benchmark]: RCFGBuilder took 210.75 ms. Allocated memory is still 651.7 MB. Free memory was 616.3 MB in the beginning and 600.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,268 INFO L168 Benchmark]: BlockEncodingV2 took 82.90 ms. Allocated memory is still 651.7 MB. Free memory was 600.9 MB in the beginning and 595.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,269 INFO L168 Benchmark]: TraceAbstraction took 155.76 ms. Allocated memory is still 651.7 MB. Free memory was 595.5 MB in the beginning and 587.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,269 INFO L168 Benchmark]: BuchiAutomizer took 1887.84 ms. Allocated memory is still 651.7 MB. Free memory was 587.4 MB in the beginning and 409.6 MB in the end (delta: 177.8 MB). Peak memory consumption was 177.8 MB. Max. memory is 50.3 GB. 16.10/7.28 [2019-03-29 01:55:04,274 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.10/7.28 --- Results --- 16.10/7.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.10/7.28 - StatisticsResult: Initial Icfg 16.10/7.28 8 locations, 11 edges 16.10/7.28 - StatisticsResult: Encoded RCFG 16.10/7.28 4 locations, 7 edges 16.10/7.28 * Results from de.uni_freiburg.informatik.ultimate.core: 16.10/7.28 - StatisticsResult: Toolchain Benchmarks 16.10/7.28 Benchmark results are: 16.10/7.28 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.10/7.28 * CACSL2BoogieTranslator took 226.75 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 16.10/7.28 * Boogie Procedure Inliner took 99.82 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 554.4 MB in the beginning and 618.0 MB in the end (delta: -63.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 16.10/7.28 * Boogie Preprocessor took 20.29 ms. Allocated memory is still 651.7 MB. Free memory was 618.0 MB in the beginning and 616.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.10/7.28 * RCFGBuilder took 210.75 ms. Allocated memory is still 651.7 MB. Free memory was 616.3 MB in the beginning and 600.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 16.10/7.28 * BlockEncodingV2 took 82.90 ms. Allocated memory is still 651.7 MB. Free memory was 600.9 MB in the beginning and 595.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.10/7.28 * TraceAbstraction took 155.76 ms. Allocated memory is still 651.7 MB. Free memory was 595.5 MB in the beginning and 587.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.10/7.28 * BuchiAutomizer took 1887.84 ms. Allocated memory is still 651.7 MB. Free memory was 587.4 MB in the beginning and 409.6 MB in the end (delta: 177.8 MB). Peak memory consumption was 177.8 MB. Max. memory is 50.3 GB. 16.10/7.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.10/7.28 - AllSpecificationsHoldResult: All specifications hold 16.10/7.28 We were not able to verify any specifiation because the program does not contain any specification. 16.10/7.28 - InvariantResult [Line: 11]: Loop Invariant 16.10/7.28 Derived loop invariant: 1 16.10/7.28 - StatisticsResult: Ultimate Automizer benchmark data 16.10/7.28 CFG has 1 procedures, 4 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=4occurred 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 16.10/7.28 - StatisticsResult: Constructed decomposition of program 16.10/7.28 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 5 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 16.10/7.28 - StatisticsResult: Timing statistics 16.10/7.28 BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 22 SDslu, 0 SDs, 0 SdLazy, 62 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 16.10/7.28 - TerminationAnalysisResult: Termination proven 16.10/7.28 Buchi Automizer proved that your program is terminating 16.10/7.28 RESULT: Ultimate proved your program to be correct! 16.10/7.28 !SESSION 2019-03-29 01:54:58.163 ----------------------------------------------- 16.10/7.28 eclipse.buildId=unknown 16.10/7.28 java.version=1.8.0_181 16.10/7.28 java.vendor=Oracle Corporation 16.10/7.28 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.10/7.28 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.10/7.28 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 16.10/7.28 16.10/7.28 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:55:04.507 16.10/7.28 !MESSAGE The workspace will exit with unsaved changes in this session. 16.10/7.28 Received shutdown request... 16.10/7.28 Ultimate: 16.10/7.28 GTK+ Version Check 16.10/7.28 EOF