16.19/7.59 YES 16.19/7.59 16.19/7.59 Ultimate: Cannot open display: 16.19/7.59 This is Ultimate 0.1.24-8dc7c08-m 16.19/7.59 [2019-03-28 12:09:47,578 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.19/7.59 [2019-03-28 12:09:47,581 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.19/7.59 [2019-03-28 12:09:47,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.19/7.59 [2019-03-28 12:09:47,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.19/7.59 [2019-03-28 12:09:47,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.19/7.59 [2019-03-28 12:09:47,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.19/7.59 [2019-03-28 12:09:47,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.19/7.59 [2019-03-28 12:09:47,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.19/7.59 [2019-03-28 12:09:47,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.19/7.59 [2019-03-28 12:09:47,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.19/7.59 [2019-03-28 12:09:47,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.19/7.59 [2019-03-28 12:09:47,603 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.19/7.59 [2019-03-28 12:09:47,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.19/7.59 [2019-03-28 12:09:47,604 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.19/7.59 [2019-03-28 12:09:47,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.19/7.59 [2019-03-28 12:09:47,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.19/7.59 [2019-03-28 12:09:47,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.19/7.59 [2019-03-28 12:09:47,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.19/7.59 [2019-03-28 12:09:47,611 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.19/7.59 [2019-03-28 12:09:47,614 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,614 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,614 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.19/7.59 [2019-03-28 12:09:47,615 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.19/7.59 [2019-03-28 12:09:47,615 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.19/7.59 [2019-03-28 12:09:47,616 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.19/7.59 [2019-03-28 12:09:47,617 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.19/7.59 [2019-03-28 12:09:47,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.19/7.59 [2019-03-28 12:09:47,619 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.19/7.59 [2019-03-28 12:09:47,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,620 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.19/7.59 [2019-03-28 12:09:47,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.19/7.59 [2019-03-28 12:09:47,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.19/7.59 [2019-03-28 12:09:47,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.19/7.59 [2019-03-28 12:09:47,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.19/7.59 [2019-03-28 12:09:47,623 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.19/7.59 [2019-03-28 12:09:47,637 INFO L110 SettingsManager]: Loading preferences was successful 16.19/7.59 [2019-03-28 12:09:47,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.19/7.59 [2019-03-28 12:09:47,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.19/7.59 [2019-03-28 12:09:47,639 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.19/7.59 [2019-03-28 12:09:47,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.19/7.59 [2019-03-28 12:09:47,639 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.19/7.59 [2019-03-28 12:09:47,639 INFO L133 SettingsManager]: * Use SBE=true 16.19/7.59 [2019-03-28 12:09:47,640 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.19/7.59 [2019-03-28 12:09:47,640 INFO L133 SettingsManager]: * Use old map elimination=false 16.19/7.59 [2019-03-28 12:09:47,640 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.19/7.59 [2019-03-28 12:09:47,640 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.19/7.59 [2019-03-28 12:09:47,640 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.19/7.59 [2019-03-28 12:09:47,640 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.19/7.59 [2019-03-28 12:09:47,641 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.19/7.59 [2019-03-28 12:09:47,641 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:47,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.19/7.59 [2019-03-28 12:09:47,641 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.19/7.59 [2019-03-28 12:09:47,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.19/7.59 [2019-03-28 12:09:47,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.19/7.59 [2019-03-28 12:09:47,642 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.19/7.59 [2019-03-28 12:09:47,642 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.19/7.59 [2019-03-28 12:09:47,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.19/7.59 [2019-03-28 12:09:47,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.19/7.59 [2019-03-28 12:09:47,642 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.19/7.59 [2019-03-28 12:09:47,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.19/7.59 [2019-03-28 12:09:47,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.19/7.59 [2019-03-28 12:09:47,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.19/7.59 [2019-03-28 12:09:47,643 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.19/7.59 [2019-03-28 12:09:47,643 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.19/7.59 [2019-03-28 12:09:47,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.19/7.59 [2019-03-28 12:09:47,681 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.19/7.59 [2019-03-28 12:09:47,684 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.19/7.59 [2019-03-28 12:09:47,686 INFO L271 PluginConnector]: Initializing CDTParser... 16.19/7.59 [2019-03-28 12:09:47,686 INFO L276 PluginConnector]: CDTParser initialized 16.19/7.59 [2019-03-28 12:09:47,687 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.19/7.59 [2019-03-28 12:09:47,743 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/0aac2433a2e34e89b7741c416faff560/FLAGdc37a40eb 16.19/7.59 [2019-03-28 12:09:48,088 INFO L307 CDTParser]: Found 1 translation units. 16.19/7.59 [2019-03-28 12:09:48,089 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.19/7.59 [2019-03-28 12:09:48,095 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/0aac2433a2e34e89b7741c416faff560/FLAGdc37a40eb 16.19/7.59 [2019-03-28 12:09:48,512 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/0aac2433a2e34e89b7741c416faff560 16.19/7.59 [2019-03-28 12:09:48,523 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.19/7.59 [2019-03-28 12:09:48,525 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.19/7.59 [2019-03-28 12:09:48,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.19/7.59 [2019-03-28 12:09:48,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.19/7.59 [2019-03-28 12:09:48,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.19/7.59 [2019-03-28 12:09:48,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b4bd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:48,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.19/7.59 [2019-03-28 12:09:48,558 INFO L176 MainTranslator]: Built tables and reachable declarations 16.19/7.59 [2019-03-28 12:09:48,718 INFO L206 PostProcessor]: Analyzing one entry point: main 16.19/7.59 [2019-03-28 12:09:48,722 INFO L191 MainTranslator]: Completed pre-run 16.19/7.59 [2019-03-28 12:09:48,739 INFO L206 PostProcessor]: Analyzing one entry point: main 16.19/7.59 [2019-03-28 12:09:48,755 INFO L195 MainTranslator]: Completed translation 16.19/7.59 [2019-03-28 12:09:48,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48 WrapperNode 16.19/7.59 [2019-03-28 12:09:48,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.19/7.59 [2019-03-28 12:09:48,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.19/7.59 [2019-03-28 12:09:48,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.19/7.59 [2019-03-28 12:09:48,757 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.19/7.59 [2019-03-28 12:09:48,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.19/7.59 [2019-03-28 12:09:48,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.19/7.59 [2019-03-28 12:09:48,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.19/7.59 [2019-03-28 12:09:48,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.19/7.59 [2019-03-28 12:09:48,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 [2019-03-28 12:09:48,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.19/7.59 [2019-03-28 12:09:48,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.19/7.59 [2019-03-28 12:09:48,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.19/7.59 [2019-03-28 12:09:48,875 INFO L276 PluginConnector]: RCFGBuilder initialized 16.19/7.59 [2019-03-28 12:09:48,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (1/1) ... 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.19/7.59 [2019-03-28 12:09:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.19/7.59 [2019-03-28 12:09:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.19/7.59 [2019-03-28 12:09:49,077 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.19/7.59 [2019-03-28 12:09:49,078 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 16.19/7.59 [2019-03-28 12:09:49,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:09:49 BoogieIcfgContainer 16.19/7.59 [2019-03-28 12:09:49,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.19/7.59 [2019-03-28 12:09:49,080 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.19/7.59 [2019-03-28 12:09:49,080 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.19/7.59 [2019-03-28 12:09:49,083 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.19/7.59 [2019-03-28 12:09:49,084 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:09:49" (1/1) ... 16.19/7.59 [2019-03-28 12:09:49,099 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 11 edges 16.19/7.59 [2019-03-28 12:09:49,101 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.19/7.59 [2019-03-28 12:09:49,102 INFO L263 BlockEncoder]: Using Maximize final states 16.19/7.59 [2019-03-28 12:09:49,102 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.19/7.59 [2019-03-28 12:09:49,103 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.19/7.59 [2019-03-28 12:09:49,105 INFO L296 BlockEncoder]: Using Remove sink states 16.19/7.59 [2019-03-28 12:09:49,105 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.19/7.59 [2019-03-28 12:09:49,106 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.19/7.59 [2019-03-28 12:09:49,122 INFO L185 BlockEncoder]: Using Use SBE 16.19/7.59 [2019-03-28 12:09:49,138 INFO L200 BlockEncoder]: SBE split 1 edges 16.19/7.59 [2019-03-28 12:09:49,143 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.19/7.59 [2019-03-28 12:09:49,145 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.19/7.59 [2019-03-28 12:09:49,161 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 16.19/7.59 [2019-03-28 12:09:49,163 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.19/7.59 [2019-03-28 12:09:49,165 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.19/7.59 [2019-03-28 12:09:49,165 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.19/7.59 [2019-03-28 12:09:49,165 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.19/7.59 [2019-03-28 12:09:49,165 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.19/7.59 [2019-03-28 12:09:49,166 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 16.19/7.59 [2019-03-28 12:09:49,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:09:49 BasicIcfg 16.19/7.59 [2019-03-28 12:09:49,166 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.19/7.59 [2019-03-28 12:09:49,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.19/7.59 [2019-03-28 12:09:49,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.19/7.59 [2019-03-28 12:09:49,171 INFO L276 PluginConnector]: TraceAbstraction initialized 16.19/7.59 [2019-03-28 12:09:49,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:09:48" (1/4) ... 16.19/7.59 [2019-03-28 12:09:49,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3231694e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (2/4) ... 16.19/7.59 [2019-03-28 12:09:49,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3231694e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:09:49" (3/4) ... 16.19/7.59 [2019-03-28 12:09:49,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3231694e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:09:49" (4/4) ... 16.19/7.59 [2019-03-28 12:09:49,176 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.19/7.59 [2019-03-28 12:09:49,186 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.19/7.59 [2019-03-28 12:09:49,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.19/7.59 [2019-03-28 12:09:49,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.19/7.59 [2019-03-28 12:09:49,242 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.19/7.59 [2019-03-28 12:09:49,243 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.19/7.59 [2019-03-28 12:09:49,243 INFO L383 AbstractCegarLoop]: Hoare is true 16.19/7.59 [2019-03-28 12:09:49,243 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.19/7.59 [2019-03-28 12:09:49,243 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.19/7.59 [2019-03-28 12:09:49,244 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.19/7.59 [2019-03-28 12:09:49,244 INFO L387 AbstractCegarLoop]: Difference is false 16.19/7.59 [2019-03-28 12:09:49,244 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.19/7.59 [2019-03-28 12:09:49,244 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.19/7.59 [2019-03-28 12:09:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.19/7.59 [2019-03-28 12:09:49,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.19/7.59 [2019-03-28 12:09:49,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.19/7.59 [2019-03-28 12:09:49,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.19/7.59 [2019-03-28 12:09:49,324 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 11) no Hoare annotation was computed. 16.19/7.59 [2019-03-28 12:09:49,324 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 7 11) no Hoare annotation was computed. 16.19/7.59 [2019-03-28 12:09:49,324 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 13) the Hoare annotation is: true 16.19/7.59 [2019-03-28 12:09:49,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:09:49 BasicIcfg 16.19/7.59 [2019-03-28 12:09:49,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.19/7.59 [2019-03-28 12:09:49,333 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.19/7.59 [2019-03-28 12:09:49,333 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.19/7.59 [2019-03-28 12:09:49,337 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.19/7.59 [2019-03-28 12:09:49,337 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.19/7.59 [2019-03-28 12:09:49,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:09:48" (1/5) ... 16.19/7.59 [2019-03-28 12:09:49,338 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c6adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,338 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.19/7.59 [2019-03-28 12:09:49,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:09:48" (2/5) ... 16.19/7.59 [2019-03-28 12:09:49,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c6adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.19/7.59 [2019-03-28 12:09:49,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:09:49" (3/5) ... 16.19/7.59 [2019-03-28 12:09:49,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c6adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,340 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.19/7.59 [2019-03-28 12:09:49,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:09:49" (4/5) ... 16.19/7.59 [2019-03-28 12:09:49,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c6adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:09:49, skipping insertion in model container 16.19/7.59 [2019-03-28 12:09:49,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.19/7.59 [2019-03-28 12:09:49,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:09:49" (5/5) ... 16.19/7.59 [2019-03-28 12:09:49,343 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.19/7.59 [2019-03-28 12:09:49,370 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.19/7.59 [2019-03-28 12:09:49,371 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.19/7.59 [2019-03-28 12:09:49,371 INFO L375 BuchiCegarLoop]: Hoare is true 16.19/7.59 [2019-03-28 12:09:49,371 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.19/7.59 [2019-03-28 12:09:49,371 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.19/7.59 [2019-03-28 12:09:49,371 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.19/7.59 [2019-03-28 12:09:49,371 INFO L379 BuchiCegarLoop]: Difference is false 16.19/7.59 [2019-03-28 12:09:49,371 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.19/7.59 [2019-03-28 12:09:49,372 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.19/7.59 [2019-03-28 12:09:49,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.19/7.59 [2019-03-28 12:09:49,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.19/7.59 [2019-03-28 12:09:49,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.19/7.59 [2019-03-28 12:09:49,392 INFO L119 BuchiIsEmpty]: Starting construction of run 16.19/7.59 [2019-03-28 12:09:49,398 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.19/7.59 [2019-03-28 12:09:49,398 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.19/7.59 [2019-03-28 12:09:49,398 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.19/7.59 [2019-03-28 12:09:49,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.19/7.59 [2019-03-28 12:09:49,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.19/7.59 [2019-03-28 12:09:49,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.19/7.59 [2019-03-28 12:09:49,399 INFO L119 BuchiIsEmpty]: Starting construction of run 16.19/7.59 [2019-03-28 12:09:49,399 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.19/7.59 [2019-03-28 12:09:49,399 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.19/7.59 [2019-03-28 12:09:49,404 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 6#L6-2true 16.19/7.59 [2019-03-28 12:09:49,405 INFO L796 eck$LassoCheckResult]: Loop: 6#L6-2true [40] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 5#L7true [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~y_7 v_ULTIMATE.start_test_fun_~x_7) (= v_ULTIMATE.start_test_fun_~x_6 (+ v_ULTIMATE.start_test_fun_~x_7 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 3#L7-2true [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 6#L6-2true 16.19/7.59 [2019-03-28 12:09:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:49,412 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:49,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:49,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:49,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:49,484 INFO L82 PathProgramCache]: Analyzing trace with hash 69467, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:49,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:49,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:49,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.59 [2019-03-28 12:09:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.19/7.59 [2019-03-28 12:09:49,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.19/7.59 [2019-03-28 12:09:49,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 16.19/7.59 [2019-03-28 12:09:49,536 INFO L811 eck$LassoCheckResult]: loop already infeasible 16.19/7.59 [2019-03-28 12:09:49,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.19/7.59 [2019-03-28 12:09:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.19/7.59 [2019-03-28 12:09:49,555 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. 16.19/7.59 [2019-03-28 12:09:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.19/7.59 [2019-03-28 12:09:49,589 INFO L93 Difference]: Finished difference Result 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.19/7.59 [2019-03-28 12:09:49,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.19/7.59 [2019-03-28 12:09:49,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 16.19/7.59 [2019-03-28 12:09:49,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 16.19/7.59 [2019-03-28 12:09:49,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.19/7.59 [2019-03-28 12:09:49,600 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 16.19/7.59 [2019-03-28 12:09:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 16.19/7.59 [2019-03-28 12:09:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,629 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,629 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,629 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.19/7.59 [2019-03-28 12:09:49,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 16.19/7.59 [2019-03-28 12:09:49,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.19/7.59 [2019-03-28 12:09:49,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.19/7.59 [2019-03-28 12:09:49,630 INFO L119 BuchiIsEmpty]: Starting construction of run 16.19/7.59 [2019-03-28 12:09:49,630 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.19/7.59 [2019-03-28 12:09:49,630 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.19/7.59 [2019-03-28 12:09:49,631 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 19#L6-2 16.19/7.59 [2019-03-28 12:09:49,631 INFO L796 eck$LassoCheckResult]: Loop: 19#L6-2 [40] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 21#L7 [29] L7-->L7-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~x_5) (= v_ULTIMATE.start_test_fun_~y_5 (+ v_ULTIMATE.start_test_fun_~y_6 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 18#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 19#L6-2 16.19/7.59 [2019-03-28 12:09:49,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 2 times 16.19/7.59 [2019-03-28 12:09:49,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:49,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:49,640 INFO L82 PathProgramCache]: Analyzing trace with hash 69157, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:49,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:49,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:49,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:49,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1797035, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:49,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:49,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:49,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:49,701 INFO L216 LassoAnalysis]: Preferences: 16.19/7.59 [2019-03-28 12:09:49,702 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.59 [2019-03-28 12:09:49,702 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.59 [2019-03-28 12:09:49,702 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.59 [2019-03-28 12:09:49,702 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.19/7.59 [2019-03-28 12:09:49,703 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:49,703 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.59 [2019-03-28 12:09:49,703 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.59 [2019-03-28 12:09:49,703 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.19/7.59 [2019-03-28 12:09:49,703 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.59 [2019-03-28 12:09:49,703 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.59 [2019-03-28 12:09:49,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:49,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:49,784 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.59 [2019-03-28 12:09:49,785 INFO L412 LassoAnalysis]: Checking for nontermination... 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:49,791 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:49,792 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:49,824 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:49,824 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 [2019-03-28 12:09:49,847 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.19/7.59 [2019-03-28 12:09:49,847 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:49,875 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:49,876 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:49,906 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:49,906 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 [2019-03-28 12:09:50,104 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.19/7.59 [2019-03-28 12:09:50,106 INFO L216 LassoAnalysis]: Preferences: 16.19/7.59 [2019-03-28 12:09:50,107 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.59 [2019-03-28 12:09:50,107 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.59 [2019-03-28 12:09:50,107 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.59 [2019-03-28 12:09:50,107 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.19/7.59 [2019-03-28 12:09:50,107 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,107 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.59 [2019-03-28 12:09:50,107 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.59 [2019-03-28 12:09:50,108 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.19/7.59 [2019-03-28 12:09:50,108 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.59 [2019-03-28 12:09:50,108 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.59 [2019-03-28 12:09:50,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,164 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.59 [2019-03-28 12:09:50,170 INFO L497 LassoAnalysis]: Using template 'affine'. 16.19/7.59 [2019-03-28 12:09:50,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.19/7.59 Termination analysis: LINEAR_WITH_GUESSES 16.19/7.59 Number of strict supporting invariants: 0 16.19/7.59 Number of non-strict supporting invariants: 1 16.19/7.59 Consider only non-deceasing supporting invariants: true 16.19/7.59 Simplify termination arguments: true 16.19/7.59 Simplify supporting invariants: trueOverapproximate stem: false 16.19/7.59 [2019-03-28 12:09:50,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.19/7.59 [2019-03-28 12:09:50,174 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.19/7.59 [2019-03-28 12:09:50,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.19/7.59 [2019-03-28 12:09:50,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.19/7.59 [2019-03-28 12:09:50,175 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.19/7.59 [2019-03-28 12:09:50,178 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.19/7.59 [2019-03-28 12:09:50,178 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.19/7.59 [2019-03-28 12:09:50,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.19/7.59 [2019-03-28 12:09:50,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.19/7.59 Termination analysis: LINEAR_WITH_GUESSES 16.19/7.59 Number of strict supporting invariants: 0 16.19/7.59 Number of non-strict supporting invariants: 1 16.19/7.59 Consider only non-deceasing supporting invariants: true 16.19/7.59 Simplify termination arguments: true 16.19/7.59 Simplify supporting invariants: trueOverapproximate stem: false 16.19/7.59 [2019-03-28 12:09:50,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.19/7.59 [2019-03-28 12:09:50,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.19/7.59 [2019-03-28 12:09:50,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.19/7.59 [2019-03-28 12:09:50,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.19/7.59 [2019-03-28 12:09:50,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.19/7.59 [2019-03-28 12:09:50,189 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.19/7.59 [2019-03-28 12:09:50,189 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.19/7.59 [2019-03-28 12:09:50,195 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.19/7.59 [2019-03-28 12:09:50,201 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.19/7.59 [2019-03-28 12:09:50,201 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.19/7.59 [2019-03-28 12:09:50,204 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.19/7.59 [2019-03-28 12:09:50,204 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.19/7.59 [2019-03-28 12:09:50,204 INFO L518 LassoAnalysis]: Proved termination. 16.19/7.59 [2019-03-28 12:09:50,205 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.19/7.59 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 16.19/7.59 Supporting invariants [] 16.19/7.59 [2019-03-28 12:09:50,206 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.19/7.59 [2019-03-28 12:09:50,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.59 [2019-03-28 12:09:50,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 16.19/7.59 [2019-03-28 12:09:50,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.59 [2019-03-28 12:09:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.59 [2019-03-28 12:09:50,275 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.19/7.59 [2019-03-28 12:09:50,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.59 [2019-03-28 12:09:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.19/7.59 [2019-03-28 12:09:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.59 [2019-03-28 12:09:50,354 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.19/7.59 [2019-03-28 12:09:50,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.59 [2019-03-28 12:09:50,361 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 16.19/7.59 [2019-03-28 12:09:50,364 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 4 loop predicates 16.19/7.59 [2019-03-28 12:09:50,364 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 4 states. 16.19/7.59 [2019-03-28 12:09:50,412 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 15 states and 21 transitions. Complement of second has 6 states. 16.19/7.59 [2019-03-28 12:09:50,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.19/7.59 [2019-03-28 12:09:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.19/7.59 [2019-03-28 12:09:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. 16.19/7.59 [2019-03-28 12:09:50,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 1 letters. Loop has 3 letters. 16.19/7.59 [2019-03-28 12:09:50,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.59 [2019-03-28 12:09:50,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 3 letters. 16.19/7.59 [2019-03-28 12:09:50,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.59 [2019-03-28 12:09:50,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 1 letters. Loop has 6 letters. 16.19/7.59 [2019-03-28 12:09:50,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.59 [2019-03-28 12:09:50,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. 16.19/7.59 [2019-03-28 12:09:50,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.19/7.59 [2019-03-28 12:09:50,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. 16.19/7.59 [2019-03-28 12:09:50,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 16.19/7.59 [2019-03-28 12:09:50,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 16.19/7.59 [2019-03-28 12:09:50,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. 16.19/7.59 [2019-03-28 12:09:50,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.19/7.59 [2019-03-28 12:09:50,428 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. 16.19/7.59 [2019-03-28 12:09:50,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. 16.19/7.59 [2019-03-28 12:09:50,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. 16.19/7.59 [2019-03-28 12:09:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 16.19/7.59 [2019-03-28 12:09:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 16.19/7.59 [2019-03-28 12:09:50,430 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 16.19/7.59 [2019-03-28 12:09:50,431 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 16.19/7.59 [2019-03-28 12:09:50,431 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.19/7.59 [2019-03-28 12:09:50,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 17 transitions. 16.19/7.59 [2019-03-28 12:09:50,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.19/7.59 [2019-03-28 12:09:50,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.19/7.59 [2019-03-28 12:09:50,432 INFO L119 BuchiIsEmpty]: Starting construction of run 16.19/7.59 [2019-03-28 12:09:50,432 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.19/7.59 [2019-03-28 12:09:50,432 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.19/7.59 [2019-03-28 12:09:50,433 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 89#L6-2 [41] L6-2-->L7: Formula: (> v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 92#L7 [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~y_7 v_ULTIMATE.start_test_fun_~x_7) (= v_ULTIMATE.start_test_fun_~x_6 (+ v_ULTIMATE.start_test_fun_~x_7 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 83#L7-2 16.19/7.59 [2019-03-28 12:09:50,433 INFO L796 eck$LassoCheckResult]: Loop: 83#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 84#L6-2 [40] L6-2-->L7: Formula: (< v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 90#L7 [29] L7-->L7-2: Formula: (and (< v_ULTIMATE.start_test_fun_~y_6 v_ULTIMATE.start_test_fun_~x_5) (= v_ULTIMATE.start_test_fun_~y_5 (+ v_ULTIMATE.start_test_fun_~y_6 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 83#L7-2 16.19/7.59 [2019-03-28 12:09:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 58009, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:50,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:50,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:50,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:50,444 INFO L82 PathProgramCache]: Analyzing trace with hash 57007, now seen corresponding path program 2 times 16.19/7.59 [2019-03-28 12:09:50,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:50,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:50,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.59 [2019-03-28 12:09:50,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.59 [2019-03-28 12:09:50,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1728173335, now seen corresponding path program 1 times 16.19/7.59 [2019-03-28 12:09:50,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.59 [2019-03-28 12:09:50,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.59 [2019-03-28 12:09:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,452 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.59 [2019-03-28 12:09:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.59 [2019-03-28 12:09:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.19/7.59 [2019-03-28 12:09:50,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.19/7.59 [2019-03-28 12:09:50,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 16.19/7.59 [2019-03-28 12:09:50,489 INFO L216 LassoAnalysis]: Preferences: 16.19/7.59 [2019-03-28 12:09:50,489 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.59 [2019-03-28 12:09:50,489 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.59 [2019-03-28 12:09:50,489 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.59 [2019-03-28 12:09:50,489 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.19/7.59 [2019-03-28 12:09:50,489 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,490 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.59 [2019-03-28 12:09:50,490 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.59 [2019-03-28 12:09:50,490 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.19/7.59 [2019-03-28 12:09:50,490 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.59 [2019-03-28 12:09:50,490 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.59 [2019-03-28 12:09:50,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,531 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.59 [2019-03-28 12:09:50,531 INFO L412 LassoAnalysis]: Checking for nontermination... 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,538 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:50,538 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,568 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:50,568 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 [2019-03-28 12:09:50,585 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.19/7.59 [2019-03-28 12:09:50,585 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:50,614 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.59 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.59 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.19/7.59 [2019-03-28 12:09:50,645 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.59 [2019-03-28 12:09:50,842 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.19/7.59 [2019-03-28 12:09:50,845 INFO L216 LassoAnalysis]: Preferences: 16.19/7.59 [2019-03-28 12:09:50,845 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.59 [2019-03-28 12:09:50,845 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.59 [2019-03-28 12:09:50,845 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.59 [2019-03-28 12:09:50,845 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.19/7.59 [2019-03-28 12:09:50,845 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.19/7.59 [2019-03-28 12:09:50,845 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.59 [2019-03-28 12:09:50,846 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.59 [2019-03-28 12:09:50,846 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.19/7.59 [2019-03-28 12:09:50,846 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.59 [2019-03-28 12:09:50,846 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.59 [2019-03-28 12:09:50,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.59 [2019-03-28 12:09:50,882 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.59 [2019-03-28 12:09:50,883 INFO L497 LassoAnalysis]: Using template 'affine'. 16.19/7.59 [2019-03-28 12:09:50,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.19/7.59 Termination analysis: LINEAR_WITH_GUESSES 16.19/7.59 Number of strict supporting invariants: 0 16.19/7.59 Number of non-strict supporting invariants: 1 16.19/7.59 Consider only non-deceasing supporting invariants: true 16.19/7.59 Simplify termination arguments: true 16.19/7.59 Simplify supporting invariants: trueOverapproximate stem: false 16.19/7.59 [2019-03-28 12:09:50,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.19/7.59 [2019-03-28 12:09:50,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.19/7.59 [2019-03-28 12:09:50,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.19/7.59 [2019-03-28 12:09:50,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.19/7.59 [2019-03-28 12:09:50,885 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.19/7.59 [2019-03-28 12:09:50,886 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.19/7.59 [2019-03-28 12:09:50,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.19/7.59 [2019-03-28 12:09:50,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.19/7.59 [2019-03-28 12:09:50,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.19/7.59 Termination analysis: LINEAR_WITH_GUESSES 16.19/7.59 Number of strict supporting invariants: 0 16.19/7.59 Number of non-strict supporting invariants: 1 16.19/7.59 Consider only non-deceasing supporting invariants: true 16.19/7.59 Simplify termination arguments: true 16.19/7.59 Simplify supporting invariants: trueOverapproximate stem: false 16.19/7.59 [2019-03-28 12:09:50,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.19/7.59 [2019-03-28 12:09:50,891 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.19/7.59 [2019-03-28 12:09:50,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.19/7.59 [2019-03-28 12:09:50,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.19/7.59 [2019-03-28 12:09:50,891 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.19/7.59 [2019-03-28 12:09:50,892 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.19/7.60 [2019-03-28 12:09:50,892 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.19/7.60 [2019-03-28 12:09:50,897 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.19/7.60 [2019-03-28 12:09:50,903 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.19/7.60 [2019-03-28 12:09:50,904 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.19/7.60 [2019-03-28 12:09:50,904 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.19/7.60 [2019-03-28 12:09:50,904 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.19/7.60 [2019-03-28 12:09:50,905 INFO L518 LassoAnalysis]: Proved termination. 16.19/7.60 [2019-03-28 12:09:50,905 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.19/7.60 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = -1*ULTIMATE.start_test_fun_~y + 1*ULTIMATE.start_test_fun_~x 16.19/7.60 Supporting invariants [] 16.19/7.60 [2019-03-28 12:09:50,905 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.19/7.60 [2019-03-28 12:09:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.60 [2019-03-28 12:09:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.60 [2019-03-28 12:09:50,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 16.19/7.60 [2019-03-28 12:09:50,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.60 [2019-03-28 12:09:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.60 [2019-03-28 12:09:50,955 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.19/7.60 [2019-03-28 12:09:50,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.60 [2019-03-28 12:09:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.19/7.60 [2019-03-28 12:09:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.60 [2019-03-28 12:09:50,988 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.19/7.60 [2019-03-28 12:09:50,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.60 [2019-03-28 12:09:51,003 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 16.19/7.60 [2019-03-28 12:09:51,004 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 16.19/7.60 [2019-03-28 12:09:51,004 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8 Second operand 4 states. 16.19/7.60 [2019-03-28 12:09:51,030 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 15 states and 22 transitions. Complement of second has 6 states. 16.19/7.60 [2019-03-28 12:09:51,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.19/7.60 [2019-03-28 12:09:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 16.19/7.60 [2019-03-28 12:09:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 16.19/7.60 [2019-03-28 12:09:51,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 3 letters. 16.19/7.60 [2019-03-28 12:09:51,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. 16.19/7.60 [2019-03-28 12:09:51,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 6 letters. 16.19/7.60 [2019-03-28 12:09:51,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. 16.19/7.60 [2019-03-28 12:09:51,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 16.19/7.60 [2019-03-28 12:09:51,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 21 transitions. 16.19/7.60 [2019-03-28 12:09:51,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.19/7.60 [2019-03-28 12:09:51,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 16.19/7.60 [2019-03-28 12:09:51,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 21 transitions. 16.19/7.60 [2019-03-28 12:09:51,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.19/7.60 [2019-03-28 12:09:51,037 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 21 transitions. 16.19/7.60 [2019-03-28 12:09:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 21 transitions. 16.19/7.60 [2019-03-28 12:09:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 8. 16.19/7.60 [2019-03-28 12:09:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.19/7.60 [2019-03-28 12:09:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. 16.19/7.60 [2019-03-28 12:09:51,038 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 13 transitions. 16.19/7.60 [2019-03-28 12:09:51,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.19/7.60 [2019-03-28 12:09:51,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 16.19/7.60 [2019-03-28 12:09:51,040 INFO L87 Difference]: Start difference. First operand 8 states and 13 transitions. Second operand 4 states. 16.19/7.60 [2019-03-28 12:09:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.19/7.60 [2019-03-28 12:09:51,059 INFO L93 Difference]: Finished difference Result 11 states and 15 transitions. 16.19/7.60 [2019-03-28 12:09:51,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 16.19/7.60 [2019-03-28 12:09:51,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. 16.19/7.60 [2019-03-28 12:09:51,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.19/7.60 [2019-03-28 12:09:51,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 11 transitions. 16.19/7.60 [2019-03-28 12:09:51,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 16.19/7.60 [2019-03-28 12:09:51,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 16.19/7.60 [2019-03-28 12:09:51,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. 16.19/7.60 [2019-03-28 12:09:51,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.19/7.60 [2019-03-28 12:09:51,063 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. 16.19/7.60 [2019-03-28 12:09:51,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. 16.19/7.60 [2019-03-28 12:09:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. 16.19/7.60 [2019-03-28 12:09:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.19/7.60 [2019-03-28 12:09:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. 16.19/7.60 [2019-03-28 12:09:51,065 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. 16.19/7.60 [2019-03-28 12:09:51,065 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. 16.19/7.60 [2019-03-28 12:09:51,065 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.19/7.60 [2019-03-28 12:09:51,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. 16.19/7.60 [2019-03-28 12:09:51,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 16.19/7.60 [2019-03-28 12:09:51,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.19/7.60 [2019-03-28 12:09:51,066 INFO L119 BuchiIsEmpty]: Starting construction of run 16.19/7.60 [2019-03-28 12:09:51,066 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.19/7.60 [2019-03-28 12:09:51,066 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 16.19/7.60 [2019-03-28 12:09:51,066 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY [28] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 184#L6-2 [41] L6-2-->L7: Formula: (> v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 185#L7 16.19/7.60 [2019-03-28 12:09:51,066 INFO L796 eck$LassoCheckResult]: Loop: 185#L7 [39] L7-->L7-2: Formula: (and (>= v_ULTIMATE.start_test_fun_~y_7 v_ULTIMATE.start_test_fun_~x_7) (= v_ULTIMATE.start_test_fun_~x_6 (+ v_ULTIMATE.start_test_fun_~x_7 1))) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 179#L7-2 [27] L7-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 180#L6-2 [41] L6-2-->L7: Formula: (> v_ULTIMATE.start_test_fun_~y_4 v_ULTIMATE.start_test_fun_~x_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4} AuxVars[] AssignedVars[] 185#L7 16.19/7.60 [2019-03-28 12:09:51,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.60 [2019-03-28 12:09:51,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1870, now seen corresponding path program 1 times 16.19/7.60 [2019-03-28 12:09:51,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.60 [2019-03-28 12:09:51,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.60 [2019-03-28 12:09:51,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.60 [2019-03-28 12:09:51,075 INFO L82 PathProgramCache]: Analyzing trace with hash 68148, now seen corresponding path program 1 times 16.19/7.60 [2019-03-28 12:09:51,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.60 [2019-03-28 12:09:51,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.60 [2019-03-28 12:09:51,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.60 [2019-03-28 12:09:51,082 INFO L82 PathProgramCache]: Analyzing trace with hash 55747527, now seen corresponding path program 1 times 16.19/7.60 [2019-03-28 12:09:51,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.19/7.60 [2019-03-28 12:09:51,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.19/7.60 [2019-03-28 12:09:51,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.19/7.60 [2019-03-28 12:09:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.19/7.60 [2019-03-28 12:09:51,118 INFO L216 LassoAnalysis]: Preferences: 16.19/7.60 [2019-03-28 12:09:51,118 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.60 [2019-03-28 12:09:51,118 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.60 [2019-03-28 12:09:51,118 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.60 [2019-03-28 12:09:51,118 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.19/7.60 [2019-03-28 12:09:51,118 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.60 [2019-03-28 12:09:51,118 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.60 [2019-03-28 12:09:51,119 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.60 [2019-03-28 12:09:51,119 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.19/7.60 [2019-03-28 12:09:51,119 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.60 [2019-03-28 12:09:51,119 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.60 [2019-03-28 12:09:51,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.60 [2019-03-28 12:09:51,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.60 [2019-03-28 12:09:51,159 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.60 [2019-03-28 12:09:51,159 INFO L412 LassoAnalysis]: Checking for nontermination... 16.19/7.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.60 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.60 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.60 [2019-03-28 12:09:51,169 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.19/7.60 [2019-03-28 12:09:51,169 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.60 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.19/7.60 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.19/7.60 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.19/7.60 [2019-03-28 12:09:51,201 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.19/7.60 [2019-03-28 12:09:51,201 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.19/7.60 [2019-03-28 12:09:51,656 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.19/7.60 [2019-03-28 12:09:51,659 INFO L216 LassoAnalysis]: Preferences: 16.19/7.60 [2019-03-28 12:09:51,659 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.19/7.60 [2019-03-28 12:09:51,660 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.19/7.60 [2019-03-28 12:09:51,660 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.19/7.60 [2019-03-28 12:09:51,660 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.19/7.60 [2019-03-28 12:09:51,660 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.19/7.60 [2019-03-28 12:09:51,660 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.19/7.60 [2019-03-28 12:09:51,660 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.19/7.60 [2019-03-28 12:09:51,660 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.19/7.60 [2019-03-28 12:09:51,661 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.19/7.60 [2019-03-28 12:09:51,661 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.19/7.60 [2019-03-28 12:09:51,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.60 [2019-03-28 12:09:51,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.19/7.60 [2019-03-28 12:09:51,692 INFO L300 LassoAnalysis]: Preprocessing complete. 16.19/7.60 [2019-03-28 12:09:51,692 INFO L497 LassoAnalysis]: Using template 'affine'. 16.19/7.60 [2019-03-28 12:09:51,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.19/7.60 Termination analysis: LINEAR_WITH_GUESSES 16.19/7.60 Number of strict supporting invariants: 0 16.19/7.60 Number of non-strict supporting invariants: 1 16.19/7.60 Consider only non-deceasing supporting invariants: true 16.19/7.60 Simplify termination arguments: true 16.19/7.60 Simplify supporting invariants: trueOverapproximate stem: false 16.19/7.60 [2019-03-28 12:09:51,693 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.19/7.60 [2019-03-28 12:09:51,694 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.19/7.60 [2019-03-28 12:09:51,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.19/7.60 [2019-03-28 12:09:51,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.19/7.60 [2019-03-28 12:09:51,694 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.19/7.60 [2019-03-28 12:09:51,695 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.19/7.60 [2019-03-28 12:09:51,695 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.19/7.60 [2019-03-28 12:09:51,700 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.19/7.60 [2019-03-28 12:09:51,705 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 16.19/7.60 [2019-03-28 12:09:51,705 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 16.19/7.60 [2019-03-28 12:09:51,705 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.19/7.60 [2019-03-28 12:09:51,705 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.19/7.60 [2019-03-28 12:09:51,705 INFO L518 LassoAnalysis]: Proved termination. 16.19/7.60 [2019-03-28 12:09:51,706 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.19/7.60 Ranking function f(ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~y - 1*ULTIMATE.start_test_fun_~x 16.19/7.60 Supporting invariants [] 16.19/7.60 [2019-03-28 12:09:51,706 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.19/7.60 [2019-03-28 12:09:51,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.19/7.60 [2019-03-28 12:09:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.60 [2019-03-28 12:09:51,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 16.19/7.60 [2019-03-28 12:09:51,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.60 [2019-03-28 12:09:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.19/7.60 [2019-03-28 12:09:51,731 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.19/7.60 [2019-03-28 12:09:51,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.19/7.60 [2019-03-28 12:09:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.19/7.60 [2019-03-28 12:09:51,741 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.19/7.60 [2019-03-28 12:09:51,741 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 16.19/7.60 [2019-03-28 12:09:51,741 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 3 states. 16.19/7.60 [2019-03-28 12:09:51,755 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 12 states and 14 transitions. Complement of second has 6 states. 16.19/7.60 [2019-03-28 12:09:51,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 16.19/7.60 [2019-03-28 12:09:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.19/7.60 [2019-03-28 12:09:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 16.19/7.60 [2019-03-28 12:09:51,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. 16.19/7.60 [2019-03-28 12:09:51,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. 16.19/7.60 [2019-03-28 12:09:51,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. 16.19/7.60 [2019-03-28 12:09:51,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.19/7.60 [2019-03-28 12:09:51,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. 16.19/7.60 [2019-03-28 12:09:51,760 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.19/7.60 [2019-03-28 12:09:51,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.19/7.60 [2019-03-28 12:09:51,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.19/7.60 [2019-03-28 12:09:51,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.19/7.60 [2019-03-28 12:09:51,761 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,761 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,761 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,762 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 16.19/7.60 [2019-03-28 12:09:51,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.19/7.60 [2019-03-28 12:09:51,762 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.19/7.60 [2019-03-28 12:09:51,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.19/7.60 [2019-03-28 12:09:51,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:09:51 BasicIcfg 16.19/7.60 [2019-03-28 12:09:51,768 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.19/7.60 [2019-03-28 12:09:51,769 INFO L168 Benchmark]: Toolchain (without parser) took 3244.96 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 563.8 MB in the beginning and 415.3 MB in the end (delta: 148.6 MB). Peak memory consumption was 166.4 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,770 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.83 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.43 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 554.2 MB in the beginning and 633.7 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,772 INFO L168 Benchmark]: Boogie Preprocessor took 20.68 ms. Allocated memory is still 667.4 MB. Free memory was 633.7 MB in the beginning and 632.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,772 INFO L168 Benchmark]: RCFGBuilder took 204.94 ms. Allocated memory is still 667.4 MB. Free memory was 632.0 MB in the beginning and 617.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,773 INFO L168 Benchmark]: BlockEncodingV2 took 86.47 ms. Allocated memory is still 667.4 MB. Free memory was 617.6 MB in the beginning and 611.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,774 INFO L168 Benchmark]: TraceAbstraction took 165.55 ms. Allocated memory is still 667.4 MB. Free memory was 611.2 MB in the beginning and 601.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,774 INFO L168 Benchmark]: BuchiAutomizer took 2434.89 ms. Allocated memory is still 667.4 MB. Free memory was 601.7 MB in the beginning and 415.3 MB in the end (delta: 186.4 MB). Peak memory consumption was 186.4 MB. Max. memory is 50.3 GB. 16.19/7.60 [2019-03-28 12:09:51,779 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.19/7.60 --- Results --- 16.19/7.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.19/7.60 - StatisticsResult: Initial Icfg 16.19/7.60 9 locations, 11 edges 16.19/7.60 - StatisticsResult: Encoded RCFG 16.19/7.60 4 locations, 6 edges 16.19/7.60 * Results from de.uni_freiburg.informatik.ultimate.core: 16.19/7.60 - StatisticsResult: Toolchain Benchmarks 16.19/7.60 Benchmark results are: 16.19/7.60 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 16.19/7.60 * CACSL2BoogieTranslator took 230.83 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 16.19/7.60 * Boogie Procedure Inliner took 96.43 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 554.2 MB in the beginning and 633.7 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 16.19/7.60 * Boogie Preprocessor took 20.68 ms. Allocated memory is still 667.4 MB. Free memory was 633.7 MB in the beginning and 632.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 16.19/7.60 * RCFGBuilder took 204.94 ms. Allocated memory is still 667.4 MB. Free memory was 632.0 MB in the beginning and 617.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. 16.19/7.60 * BlockEncodingV2 took 86.47 ms. Allocated memory is still 667.4 MB. Free memory was 617.6 MB in the beginning and 611.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.19/7.60 * TraceAbstraction took 165.55 ms. Allocated memory is still 667.4 MB. Free memory was 611.2 MB in the beginning and 601.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 16.19/7.60 * BuchiAutomizer took 2434.89 ms. Allocated memory is still 667.4 MB. Free memory was 601.7 MB in the beginning and 415.3 MB in the end (delta: 186.4 MB). Peak memory consumption was 186.4 MB. Max. memory is 50.3 GB. 16.19/7.60 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.19/7.60 - AllSpecificationsHoldResult: All specifications hold 16.19/7.60 We were not able to verify any specifiation because the program does not contain any specification. 16.19/7.60 - InvariantResult [Line: 6]: Loop Invariant 16.19/7.60 Derived loop invariant: 1 16.19/7.60 - StatisticsResult: Ultimate Automizer benchmark data 16.19/7.60 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 16.19/7.60 - StatisticsResult: Constructed decomposition of program 16.19/7.60 Your program was decomposed into 5 terminating modules (2 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. One nondeterministic module has affine ranking function y + -1 * x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 16.19/7.60 - StatisticsResult: Timing statistics 16.19/7.60 BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 26 SDslu, 13 SDs, 0 SdLazy, 63 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s 16.19/7.60 - TerminationAnalysisResult: Termination proven 16.19/7.60 Buchi Automizer proved that your program is terminating 16.19/7.60 RESULT: Ultimate proved your program to be correct! 16.19/7.60 !SESSION 2019-03-28 12:09:45.263 ----------------------------------------------- 16.19/7.60 eclipse.buildId=unknown 16.19/7.60 java.version=1.8.0_181 16.19/7.60 java.vendor=Oracle Corporation 16.19/7.60 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.19/7.60 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.19/7.60 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 16.19/7.60 16.19/7.60 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:09:52.012 16.19/7.60 !MESSAGE The workspace will exit with unsaved changes in this session. 16.19/7.60 Received shutdown request... 16.19/7.60 Ultimate: 16.19/7.60 GTK+ Version Check 16.19/7.60 EOF