12.66/6.16 NO 12.66/6.16 12.66/6.16 Ultimate: Cannot open display: 12.66/6.16 This is Ultimate 0.1.24-8dc7c08-m 12.66/6.16 [2019-03-28 22:39:45,817 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.66/6.16 [2019-03-28 22:39:45,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.66/6.16 [2019-03-28 22:39:45,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.66/6.16 [2019-03-28 22:39:45,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.66/6.16 [2019-03-28 22:39:45,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.66/6.16 [2019-03-28 22:39:45,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.66/6.16 [2019-03-28 22:39:45,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.66/6.16 [2019-03-28 22:39:45,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.66/6.16 [2019-03-28 22:39:45,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.66/6.16 [2019-03-28 22:39:45,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.66/6.16 [2019-03-28 22:39:45,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.66/6.16 [2019-03-28 22:39:45,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.66/6.16 [2019-03-28 22:39:45,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.66/6.16 [2019-03-28 22:39:45,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.66/6.16 [2019-03-28 22:39:45,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.66/6.16 [2019-03-28 22:39:45,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.66/6.16 [2019-03-28 22:39:45,847 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.66/6.16 [2019-03-28 22:39:45,848 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.66/6.16 [2019-03-28 22:39:45,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.66/6.16 [2019-03-28 22:39:45,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.66/6.16 [2019-03-28 22:39:45,853 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.66/6.16 [2019-03-28 22:39:45,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.66/6.16 [2019-03-28 22:39:45,854 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.66/6.16 [2019-03-28 22:39:45,855 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.66/6.16 [2019-03-28 22:39:45,856 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.66/6.16 [2019-03-28 22:39:45,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.66/6.16 [2019-03-28 22:39:45,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.66/6.16 [2019-03-28 22:39:45,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.66/6.16 [2019-03-28 22:39:45,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.66/6.16 [2019-03-28 22:39:45,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.66/6.16 [2019-03-28 22:39:45,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.66/6.16 [2019-03-28 22:39:45,861 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 12.66/6.16 [2019-03-28 22:39:45,875 INFO L110 SettingsManager]: Loading preferences was successful 12.66/6.16 [2019-03-28 22:39:45,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.66/6.16 [2019-03-28 22:39:45,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.66/6.16 [2019-03-28 22:39:45,876 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.66/6.16 [2019-03-28 22:39:45,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.66/6.16 [2019-03-28 22:39:45,877 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.66/6.16 [2019-03-28 22:39:45,877 INFO L133 SettingsManager]: * Use SBE=true 12.66/6.16 [2019-03-28 22:39:45,877 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.66/6.16 [2019-03-28 22:39:45,877 INFO L133 SettingsManager]: * Use old map elimination=false 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.66/6.16 [2019-03-28 22:39:45,878 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:45,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.66/6.16 [2019-03-28 22:39:45,879 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.66/6.16 [2019-03-28 22:39:45,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.66/6.16 [2019-03-28 22:39:45,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.66/6.16 [2019-03-28 22:39:45,879 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.66/6.16 [2019-03-28 22:39:45,879 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.66/6.16 [2019-03-28 22:39:45,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.66/6.16 [2019-03-28 22:39:45,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.66/6.16 [2019-03-28 22:39:45,880 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.66/6.16 [2019-03-28 22:39:45,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.66/6.16 [2019-03-28 22:39:45,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.66/6.16 [2019-03-28 22:39:45,880 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.66/6.16 [2019-03-28 22:39:45,881 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.66/6.16 [2019-03-28 22:39:45,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.66/6.16 [2019-03-28 22:39:45,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.66/6.16 [2019-03-28 22:39:45,920 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.66/6.16 [2019-03-28 22:39:45,924 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.66/6.16 [2019-03-28 22:39:45,925 INFO L271 PluginConnector]: Initializing CDTParser... 12.66/6.16 [2019-03-28 22:39:45,925 INFO L276 PluginConnector]: CDTParser initialized 12.66/6.16 [2019-03-28 22:39:45,926 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 12.66/6.16 [2019-03-28 22:39:45,992 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/0c856bda9ff940409aa2e9638fad4e25/FLAGd121b9fd6 12.66/6.16 [2019-03-28 22:39:46,345 INFO L307 CDTParser]: Found 1 translation units. 12.66/6.16 [2019-03-28 22:39:46,346 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 12.66/6.16 [2019-03-28 22:39:46,353 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/0c856bda9ff940409aa2e9638fad4e25/FLAGd121b9fd6 12.66/6.16 [2019-03-28 22:39:46,746 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/0c856bda9ff940409aa2e9638fad4e25 12.66/6.16 [2019-03-28 22:39:46,757 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.66/6.16 [2019-03-28 22:39:46,759 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.66/6.16 [2019-03-28 22:39:46,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.66/6.16 [2019-03-28 22:39:46,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.66/6.16 [2019-03-28 22:39:46,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.66/6.16 [2019-03-28 22:39:46,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:39:46" (1/1) ... 12.66/6.16 [2019-03-28 22:39:46,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ed09b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:46, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:46,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:39:46" (1/1) ... 12.66/6.16 [2019-03-28 22:39:46,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.66/6.16 [2019-03-28 22:39:46,794 INFO L176 MainTranslator]: Built tables and reachable declarations 12.66/6.16 [2019-03-28 22:39:46,950 INFO L206 PostProcessor]: Analyzing one entry point: main 12.66/6.16 [2019-03-28 22:39:46,955 INFO L191 MainTranslator]: Completed pre-run 12.66/6.16 [2019-03-28 22:39:46,973 INFO L206 PostProcessor]: Analyzing one entry point: main 12.66/6.16 [2019-03-28 22:39:47,041 INFO L195 MainTranslator]: Completed translation 12.66/6.16 [2019-03-28 22:39:47,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47 WrapperNode 12.66/6.16 [2019-03-28 22:39:47,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.66/6.16 [2019-03-28 22:39:47,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.66/6.16 [2019-03-28 22:39:47,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.66/6.16 [2019-03-28 22:39:47,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.66/6.16 [2019-03-28 22:39:47,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.66/6.16 [2019-03-28 22:39:47,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.66/6.16 [2019-03-28 22:39:47,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.66/6.16 [2019-03-28 22:39:47,078 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.66/6.16 [2019-03-28 22:39:47,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.66/6.16 [2019-03-28 22:39:47,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.66/6.16 [2019-03-28 22:39:47,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.66/6.16 [2019-03-28 22:39:47,099 INFO L276 PluginConnector]: RCFGBuilder initialized 12.66/6.16 [2019-03-28 22:39:47,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (1/1) ... 12.66/6.16 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.66/6.16 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.66/6.16 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.66/6.16 [2019-03-28 22:39:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.66/6.16 [2019-03-28 22:39:47,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.66/6.16 [2019-03-28 22:39:47,304 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.66/6.16 [2019-03-28 22:39:47,305 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 12.66/6.16 [2019-03-28 22:39:47,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:47 BoogieIcfgContainer 12.66/6.16 [2019-03-28 22:39:47,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.66/6.16 [2019-03-28 22:39:47,307 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.66/6.16 [2019-03-28 22:39:47,307 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.66/6.16 [2019-03-28 22:39:47,309 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.66/6.16 [2019-03-28 22:39:47,310 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:47" (1/1) ... 12.66/6.16 [2019-03-28 22:39:47,324 INFO L313 BlockEncoder]: Initial Icfg 12 locations, 22 edges 12.66/6.16 [2019-03-28 22:39:47,325 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.66/6.16 [2019-03-28 22:39:47,326 INFO L263 BlockEncoder]: Using Maximize final states 12.66/6.16 [2019-03-28 22:39:47,327 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.66/6.16 [2019-03-28 22:39:47,327 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.66/6.16 [2019-03-28 22:39:47,329 INFO L296 BlockEncoder]: Using Remove sink states 12.66/6.16 [2019-03-28 22:39:47,330 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.66/6.16 [2019-03-28 22:39:47,330 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.66/6.16 [2019-03-28 22:39:47,346 INFO L185 BlockEncoder]: Using Use SBE 12.66/6.16 [2019-03-28 22:39:47,354 INFO L200 BlockEncoder]: SBE split 0 edges 12.66/6.16 [2019-03-28 22:39:47,359 INFO L70 emoveInfeasibleEdges]: Removed 4 edges and 0 locations because of local infeasibility 12.66/6.16 [2019-03-28 22:39:47,361 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.66/6.16 [2019-03-28 22:39:47,371 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.66/6.16 [2019-03-28 22:39:47,373 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 12.66/6.16 [2019-03-28 22:39:47,375 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.66/6.16 [2019-03-28 22:39:47,375 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.66/6.16 [2019-03-28 22:39:47,375 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.66/6.16 [2019-03-28 22:39:47,375 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.66/6.16 [2019-03-28 22:39:47,376 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 12 edges 12.66/6.16 [2019-03-28 22:39:47,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:47 BasicIcfg 12.66/6.16 [2019-03-28 22:39:47,376 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.66/6.16 [2019-03-28 22:39:47,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.66/6.16 [2019-03-28 22:39:47,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.66/6.16 [2019-03-28 22:39:47,381 INFO L276 PluginConnector]: TraceAbstraction initialized 12.66/6.16 [2019-03-28 22:39:47,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:39:46" (1/4) ... 12.66/6.16 [2019-03-28 22:39:47,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe51aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (2/4) ... 12.66/6.16 [2019-03-28 22:39:47,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe51aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:47" (3/4) ... 12.66/6.16 [2019-03-28 22:39:47,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fe51aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:47" (4/4) ... 12.66/6.16 [2019-03-28 22:39:47,385 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.66/6.16 [2019-03-28 22:39:47,395 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.66/6.16 [2019-03-28 22:39:47,403 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.66/6.16 [2019-03-28 22:39:47,421 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.66/6.16 [2019-03-28 22:39:47,451 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.66/6.16 [2019-03-28 22:39:47,452 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.66/6.16 [2019-03-28 22:39:47,452 INFO L383 AbstractCegarLoop]: Hoare is true 12.66/6.16 [2019-03-28 22:39:47,452 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.66/6.16 [2019-03-28 22:39:47,452 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.66/6.16 [2019-03-28 22:39:47,452 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.66/6.16 [2019-03-28 22:39:47,452 INFO L387 AbstractCegarLoop]: Difference is false 12.66/6.16 [2019-03-28 22:39:47,453 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.66/6.16 [2019-03-28 22:39:47,453 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.66/6.16 [2019-03-28 22:39:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. 12.66/6.16 [2019-03-28 22:39:47,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.66/6.16 [2019-03-28 22:39:47,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. 12.66/6.16 [2019-03-28 22:39:47,532 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 22) no Hoare annotation was computed. 12.66/6.16 [2019-03-28 22:39:47,533 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 12.66/6.16 [2019-03-28 22:39:47,533 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 16 35) no Hoare annotation was computed. 12.66/6.16 [2019-03-28 22:39:47,533 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.66/6.16 [2019-03-28 22:39:47,533 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 33) the Hoare annotation is: true 12.66/6.16 [2019-03-28 22:39:47,533 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 35) no Hoare annotation was computed. 12.66/6.16 [2019-03-28 22:39:47,533 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true 12.66/6.16 [2019-03-28 22:39:47,534 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 25 27) the Hoare annotation is: true 12.66/6.16 [2019-03-28 22:39:47,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:47 BasicIcfg 12.66/6.16 [2019-03-28 22:39:47,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.66/6.16 [2019-03-28 22:39:47,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.66/6.16 [2019-03-28 22:39:47,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.66/6.16 [2019-03-28 22:39:47,547 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.66/6.16 [2019-03-28 22:39:47,548 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.66/6.16 [2019-03-28 22:39:47,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:39:46" (1/5) ... 12.66/6.16 [2019-03-28 22:39:47,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cfa7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,549 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.66/6.16 [2019-03-28 22:39:47,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:39:47" (2/5) ... 12.66/6.16 [2019-03-28 22:39:47,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cfa7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,550 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.66/6.16 [2019-03-28 22:39:47,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:39:47" (3/5) ... 12.66/6.16 [2019-03-28 22:39:47,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cfa7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,550 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.66/6.16 [2019-03-28 22:39:47,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:39:47" (4/5) ... 12.66/6.16 [2019-03-28 22:39:47,551 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cfa7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:47, skipping insertion in model container 12.66/6.16 [2019-03-28 22:39:47,551 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.66/6.16 [2019-03-28 22:39:47,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:39:47" (5/5) ... 12.66/6.16 [2019-03-28 22:39:47,553 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.66/6.16 [2019-03-28 22:39:47,581 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.66/6.16 [2019-03-28 22:39:47,582 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.66/6.16 [2019-03-28 22:39:47,582 INFO L375 BuchiCegarLoop]: Hoare is true 12.66/6.16 [2019-03-28 22:39:47,582 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.66/6.16 [2019-03-28 22:39:47,582 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.66/6.16 [2019-03-28 22:39:47,582 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.66/6.16 [2019-03-28 22:39:47,582 INFO L379 BuchiCegarLoop]: Difference is false 12.66/6.16 [2019-03-28 22:39:47,582 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.66/6.16 [2019-03-28 22:39:47,583 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.66/6.16 [2019-03-28 22:39:47,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 12.66/6.16 [2019-03-28 22:39:47,603 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 12.66/6.16 [2019-03-28 22:39:47,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.66/6.16 [2019-03-28 22:39:47,604 INFO L119 BuchiIsEmpty]: Starting construction of run 12.66/6.16 [2019-03-28 22:39:47,609 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.66/6.16 [2019-03-28 22:39:47,609 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.66/6.16 [2019-03-28 22:39:47,610 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.66/6.16 [2019-03-28 22:39:47,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 12.66/6.16 [2019-03-28 22:39:47,611 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 12.66/6.16 [2019-03-28 22:39:47,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.66/6.16 [2019-03-28 22:39:47,611 INFO L119 BuchiIsEmpty]: Starting construction of run 12.66/6.16 [2019-03-28 22:39:47,611 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.66/6.16 [2019-03-28 22:39:47,611 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.66/6.16 [2019-03-28 22:39:47,617 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [76] ULTIMATE.startENTRY-->L10: Formula: (= v_ULTIMATE.start_main_~c~0_1 864) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 3#L10true [70] L10-->L12-2: Formula: (and (<= v_ULTIMATE.start_main_~c~0_7 10) (= v_ULTIMATE.start_main_~i~0_4 0)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 4#L12-2true 12.66/6.16 [2019-03-28 22:39:47,617 INFO L796 eck$LassoCheckResult]: Loop: 4#L12-2true [74] L12-2-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 1)) (< v_ULTIMATE.start_main_~i~0_8 100)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 4#L12-2true 12.66/6.16 [2019-03-28 22:39:47,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash 3387, now seen corresponding path program 1 times 12.66/6.16 [2019-03-28 22:39:47,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.66/6.16 [2019-03-28 22:39:47,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.66/6.16 [2019-03-28 22:39:47,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.66/6.16 [2019-03-28 22:39:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.66/6.16 [2019-03-28 22:39:47,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.66/6.16 [2019-03-28 22:39:47,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 12.66/6.16 [2019-03-28 22:39:47,724 INFO L799 eck$LassoCheckResult]: stem already infeasible 12.66/6.16 [2019-03-28 22:39:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:47,724 INFO L82 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times 12.66/6.16 [2019-03-28 22:39:47,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.66/6.16 [2019-03-28 22:39:47,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.66/6.16 [2019-03-28 22:39:47,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:47,779 INFO L216 LassoAnalysis]: Preferences: 12.66/6.16 [2019-03-28 22:39:47,781 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.66/6.16 [2019-03-28 22:39:47,781 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.66/6.16 [2019-03-28 22:39:47,781 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.66/6.16 [2019-03-28 22:39:47,781 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.66/6.16 [2019-03-28 22:39:47,781 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:47,781 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.66/6.16 [2019-03-28 22:39:47,782 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.66/6.16 [2019-03-28 22:39:47,782 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.66/6.16 [2019-03-28 22:39:47,782 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.66/6.16 [2019-03-28 22:39:47,782 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.66/6.16 [2019-03-28 22:39:47,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:47,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:47,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:47,877 INFO L300 LassoAnalysis]: Preprocessing complete. 12.66/6.16 [2019-03-28 22:39:47,878 INFO L412 LassoAnalysis]: Checking for nontermination... 12.66/6.16 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.66/6.16 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.66/6.16 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:47,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.66/6.16 [2019-03-28 22:39:47,884 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.66/6.16 [2019-03-28 22:39:47,918 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.66/6.16 [2019-03-28 22:39:47,918 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.66/6.16 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.66/6.16 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.66/6.16 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:47,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.66/6.16 [2019-03-28 22:39:47,924 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.66/6.16 [2019-03-28 22:39:47,951 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.66/6.16 [2019-03-28 22:39:47,951 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 12.66/6.16 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.66/6.16 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.66/6.16 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:47,957 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.66/6.16 [2019-03-28 22:39:47,957 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.66/6.16 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.66/6.16 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.66/6.16 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:47,987 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.66/6.16 [2019-03-28 22:39:47,987 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.66/6.16 [2019-03-28 22:39:48,018 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.66/6.16 [2019-03-28 22:39:48,020 INFO L216 LassoAnalysis]: Preferences: 12.66/6.16 [2019-03-28 22:39:48,020 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.66/6.16 [2019-03-28 22:39:48,021 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.66/6.16 [2019-03-28 22:39:48,021 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.66/6.16 [2019-03-28 22:39:48,021 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.66/6.16 [2019-03-28 22:39:48,021 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.66/6.16 [2019-03-28 22:39:48,021 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.66/6.16 [2019-03-28 22:39:48,021 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.66/6.16 [2019-03-28 22:39:48,021 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.66/6.16 [2019-03-28 22:39:48,022 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.66/6.16 [2019-03-28 22:39:48,022 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.66/6.16 [2019-03-28 22:39:48,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:48,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:48,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.66/6.16 [2019-03-28 22:39:48,100 INFO L300 LassoAnalysis]: Preprocessing complete. 12.66/6.16 [2019-03-28 22:39:48,106 INFO L497 LassoAnalysis]: Using template 'affine'. 12.66/6.16 [2019-03-28 22:39:48,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.66/6.16 Termination analysis: LINEAR_WITH_GUESSES 12.66/6.16 Number of strict supporting invariants: 0 12.66/6.16 Number of non-strict supporting invariants: 1 12.66/6.16 Consider only non-deceasing supporting invariants: true 12.66/6.16 Simplify termination arguments: true 12.66/6.16 Simplify supporting invariants: trueOverapproximate stem: false 12.66/6.16 [2019-03-28 22:39:48,109 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.66/6.16 [2019-03-28 22:39:48,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.66/6.16 [2019-03-28 22:39:48,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.66/6.16 [2019-03-28 22:39:48,110 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.66/6.16 [2019-03-28 22:39:48,115 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 12.66/6.16 [2019-03-28 22:39:48,115 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 12.66/6.16 [2019-03-28 22:39:48,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.66/6.16 [2019-03-28 22:39:48,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.66/6.16 Termination analysis: LINEAR_WITH_GUESSES 12.66/6.16 Number of strict supporting invariants: 0 12.66/6.16 Number of non-strict supporting invariants: 1 12.66/6.16 Consider only non-deceasing supporting invariants: true 12.66/6.16 Simplify termination arguments: true 12.66/6.16 Simplify supporting invariants: trueOverapproximate stem: false 12.66/6.16 [2019-03-28 22:39:48,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.66/6.16 [2019-03-28 22:39:48,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.66/6.16 [2019-03-28 22:39:48,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.66/6.16 [2019-03-28 22:39:48,124 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.66/6.16 [2019-03-28 22:39:48,127 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 12.66/6.16 [2019-03-28 22:39:48,127 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 12.66/6.16 [2019-03-28 22:39:48,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 12.66/6.16 [2019-03-28 22:39:48,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.66/6.16 Termination analysis: LINEAR_WITH_GUESSES 12.66/6.16 Number of strict supporting invariants: 0 12.66/6.16 Number of non-strict supporting invariants: 1 12.66/6.16 Consider only non-deceasing supporting invariants: true 12.66/6.16 Simplify termination arguments: true 12.66/6.16 Simplify supporting invariants: trueOverapproximate stem: false 12.66/6.16 [2019-03-28 22:39:48,139 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.66/6.16 [2019-03-28 22:39:48,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.66/6.16 [2019-03-28 22:39:48,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.66/6.16 [2019-03-28 22:39:48,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.66/6.16 [2019-03-28 22:39:48,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.66/6.16 [2019-03-28 22:39:48,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.66/6.16 [2019-03-28 22:39:48,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.66/6.16 [2019-03-28 22:39:48,147 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.66/6.16 [2019-03-28 22:39:48,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.66/6.16 [2019-03-28 22:39:48,152 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 12.66/6.16 [2019-03-28 22:39:48,155 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.66/6.16 [2019-03-28 22:39:48,155 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.66/6.16 [2019-03-28 22:39:48,155 INFO L518 LassoAnalysis]: Proved termination. 12.66/6.16 [2019-03-28 22:39:48,156 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.66/6.16 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 12.66/6.16 Supporting invariants [] 12.66/6.16 [2019-03-28 22:39:48,157 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.66/6.16 [2019-03-28 22:39:48,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.66/6.16 [2019-03-28 22:39:48,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 12.66/6.16 [2019-03-28 22:39:48,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.66/6.16 [2019-03-28 22:39:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.66/6.16 [2019-03-28 22:39:48,209 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 12.66/6.16 [2019-03-28 22:39:48,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.66/6.16 [2019-03-28 22:39:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.66/6.16 [2019-03-28 22:39:48,223 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 12.66/6.16 [2019-03-28 22:39:48,228 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 1 loop predicates 12.66/6.16 [2019-03-28 22:39:48,229 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states. Second operand 2 states. 12.66/6.16 [2019-03-28 22:39:48,255 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states.. Second operand 2 states. Result 9 states and 13 transitions. Complement of second has 2 states. 12.66/6.16 [2019-03-28 22:39:48,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 12.66/6.16 [2019-03-28 22:39:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.66/6.16 [2019-03-28 22:39:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 14 transitions. 12.66/6.16 [2019-03-28 22:39:48,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 2 letters. Loop has 1 letters. 12.66/6.16 [2019-03-28 22:39:48,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.66/6.16 [2019-03-28 22:39:48,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 3 letters. Loop has 1 letters. 12.66/6.16 [2019-03-28 22:39:48,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.66/6.16 [2019-03-28 22:39:48,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. 12.66/6.16 [2019-03-28 22:39:48,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.66/6.16 [2019-03-28 22:39:48,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 12.66/6.16 [2019-03-28 22:39:48,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 12.66/6.16 [2019-03-28 22:39:48,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 12.66/6.16 [2019-03-28 22:39:48,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 12.66/6.16 [2019-03-28 22:39:48,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.66/6.16 [2019-03-28 22:39:48,275 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 12.66/6.16 [2019-03-28 22:39:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 12.66/6.16 [2019-03-28 22:39:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,304 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 12.66/6.16 [2019-03-28 22:39:48,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.66/6.16 [2019-03-28 22:39:48,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.66/6.16 [2019-03-28 22:39:48,307 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. 12.66/6.16 [2019-03-28 22:39:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.66/6.16 [2019-03-28 22:39:48,320 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.66/6.16 [2019-03-28 22:39:48,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.66/6.16 [2019-03-28 22:39:48,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 12.66/6.16 [2019-03-28 22:39:48,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 12.66/6.16 [2019-03-28 22:39:48,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.66/6.16 [2019-03-28 22:39:48,497 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. 12.66/6.16 [2019-03-28 22:39:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 12.66/6.16 [2019-03-28 22:39:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,499 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,499 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,499 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.66/6.16 [2019-03-28 22:39:48,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. 12.66/6.16 [2019-03-28 22:39:48,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.66/6.16 [2019-03-28 22:39:48,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.66/6.16 [2019-03-28 22:39:48,500 INFO L119 BuchiIsEmpty]: Starting construction of run 12.66/6.16 [2019-03-28 22:39:48,500 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 12.66/6.16 [2019-03-28 22:39:48,500 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.66/6.16 [2019-03-28 22:39:48,500 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY [76] ULTIMATE.startENTRY-->L10: Formula: (= v_ULTIMATE.start_main_~c~0_1 864) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0] 56#L10 [92] L10-->L17: Formula: (> v_ULTIMATE.start_main_~c~0_9 10) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9} AuxVars[] AssignedVars[] 57#L17 [94] L17-->L17-1: Formula: (> v_ULTIMATE.start_main_~c~0_6 50) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6} AuxVars[] AssignedVars[] 59#L17-1 [96] L17-1-->L31-2: Formula: (and (> v_ULTIMATE.start_main_~c~0_11 100) (= v_ULTIMATE.start_main_~i~0_13 0)) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 60#L31-2 12.66/6.16 [2019-03-28 22:39:48,501 INFO L796 eck$LassoCheckResult]: Loop: 60#L31-2 [90] L31-2-->L31-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_18 v_ULTIMATE.start_main_~i~0_19) (< v_ULTIMATE.start_main_~i~0_19 103)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_19} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 60#L31-2 12.66/6.16 [2019-03-28 22:39:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:48,501 INFO L82 PathProgramCache]: Analyzing trace with hash 3279059, now seen corresponding path program 1 times 12.66/6.16 [2019-03-28 22:39:48,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.66/6.16 [2019-03-28 22:39:48,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.66/6.16 [2019-03-28 22:39:48,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:48,510 INFO L82 PathProgramCache]: Analyzing trace with hash 121, now seen corresponding path program 1 times 12.66/6.16 [2019-03-28 22:39:48,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.66/6.16 [2019-03-28 22:39:48,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.66/6.16 [2019-03-28 22:39:48,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.66/6.16 [2019-03-28 22:39:48,516 INFO L82 PathProgramCache]: Analyzing trace with hash 101650919, now seen corresponding path program 1 times 12.66/6.16 [2019-03-28 22:39:48,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.66/6.16 [2019-03-28 22:39:48,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.66/6.16 [2019-03-28 22:39:48,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.66/6.16 [2019-03-28 22:39:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.66/6.16 [2019-03-28 22:39:48,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:39:48 BasicIcfg 12.66/6.16 [2019-03-28 22:39:48,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.66/6.16 [2019-03-28 22:39:48,576 INFO L168 Benchmark]: Toolchain (without parser) took 1818.33 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 558.1 MB in the beginning and 527.4 MB in the end (delta: 30.8 MB). Peak memory consumption was 59.1 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,578 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.68 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 558.1 MB in the beginning and 644.6 MB in the end (delta: -86.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 677.9 MB. Free memory was 644.6 MB in the beginning and 643.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,580 INFO L168 Benchmark]: Boogie Preprocessor took 20.61 ms. Allocated memory is still 677.9 MB. Free memory was 643.6 MB in the beginning and 640.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,581 INFO L168 Benchmark]: RCFGBuilder took 208.11 ms. Allocated memory is still 677.9 MB. Free memory was 639.7 MB in the beginning and 626.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,581 INFO L168 Benchmark]: BlockEncodingV2 took 69.78 ms. Allocated memory is still 677.9 MB. Free memory was 626.2 MB in the beginning and 619.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,582 INFO L168 Benchmark]: TraceAbstraction took 165.40 ms. Allocated memory is still 677.9 MB. Free memory was 619.4 MB in the beginning and 609.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,582 INFO L168 Benchmark]: BuchiAutomizer took 1032.65 ms. Allocated memory is still 677.9 MB. Free memory was 608.6 MB in the beginning and 527.4 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 50.3 GB. 12.66/6.16 [2019-03-28 22:39:48,586 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.66/6.16 --- Results --- 12.66/6.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.66/6.16 - StatisticsResult: Initial Icfg 12.66/6.16 12 locations, 22 edges 12.66/6.16 - StatisticsResult: Encoded RCFG 12.66/6.16 8 locations, 12 edges 12.66/6.16 * Results from de.uni_freiburg.informatik.ultimate.core: 12.66/6.16 - StatisticsResult: Toolchain Benchmarks 12.66/6.16 Benchmark results are: 12.66/6.16 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.66/6.16 * CACSL2BoogieTranslator took 281.68 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 558.1 MB in the beginning and 644.6 MB in the end (delta: -86.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 12.66/6.16 * Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 677.9 MB. Free memory was 644.6 MB in the beginning and 643.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 12.66/6.16 * Boogie Preprocessor took 20.61 ms. Allocated memory is still 677.9 MB. Free memory was 643.6 MB in the beginning and 640.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 12.66/6.16 * RCFGBuilder took 208.11 ms. Allocated memory is still 677.9 MB. Free memory was 639.7 MB in the beginning and 626.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 12.66/6.16 * BlockEncodingV2 took 69.78 ms. Allocated memory is still 677.9 MB. Free memory was 626.2 MB in the beginning and 619.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 12.66/6.16 * TraceAbstraction took 165.40 ms. Allocated memory is still 677.9 MB. Free memory was 619.4 MB in the beginning and 609.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 12.66/6.16 * BuchiAutomizer took 1032.65 ms. Allocated memory is still 677.9 MB. Free memory was 608.6 MB in the beginning and 527.4 MB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 50.3 GB. 12.66/6.16 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.66/6.16 - AllSpecificationsHoldResult: All specifications hold 12.66/6.16 We were not able to verify any specifiation because the program does not contain any specification. 12.66/6.16 - InvariantResult [Line: 12]: Loop Invariant 12.66/6.16 Derived loop invariant: 1 12.66/6.16 - InvariantResult [Line: 19]: Loop Invariant 12.66/6.16 Derived loop invariant: 1 12.66/6.16 - InvariantResult [Line: 25]: Loop Invariant 12.66/6.16 Derived loop invariant: 1 12.66/6.16 - InvariantResult [Line: 31]: Loop Invariant 12.66/6.16 Derived loop invariant: 1 12.66/6.16 - StatisticsResult: Ultimate Automizer benchmark data 12.66/6.16 CFG has 1 procedures, 8 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=8occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.66/6.16 - StatisticsResult: Constructed decomposition of program 12.66/6.16 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * i + 199 and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. 12.66/6.16 - StatisticsResult: Timing statistics 12.66/6.16 BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 12.66/6.16 - TerminationAnalysisResult: Nontermination possible 12.66/6.16 Buchi Automizer proved that your program is nonterminating for some inputs 12.66/6.16 - FixpointNonTerminationResult [Line: 31]: Nontermination argument in form of an infinite program execution. 12.66/6.16 Nontermination argument in form of an infinite execution 12.66/6.16 State at position 0 is 12.66/6.16 {} 12.66/6.16 State at position 1 is 12.66/6.16 {\result=0, c=864, i=0} 12.66/6.16 - StatisticsResult: NonterminationArgumentStatistics 12.66/6.16 Fixpoint 12.66/6.16 - NonterminatingLassoResult [Line: 31]: Nonterminating execution 12.66/6.16 Found a nonterminating execution for the following lasso shaped sequence of statements. 12.66/6.16 Stem: 12.66/6.16 [L6] int c; 12.66/6.16 [L7] int i; 12.66/6.16 [L8] c = (24*6)*6 12.66/6.16 [L10] COND FALSE !(c <= 10) 12.66/6.16 [L17] COND FALSE !(c <= 50) 12.66/6.16 [L23] COND FALSE !(c <= 100) 12.66/6.16 [L30] i = 0 12.66/6.16 Loop: 12.66/6.16 [L31] COND TRUE i < 103 12.66/6.16 [L32] i = i+0 12.66/6.16 End of lasso representation. 12.66/6.16 RESULT: Ultimate proved your program to be incorrect! 12.66/6.16 !SESSION 2019-03-28 22:39:43.512 ----------------------------------------------- 12.66/6.16 eclipse.buildId=unknown 12.66/6.16 java.version=1.8.0_181 12.66/6.16 java.vendor=Oracle Corporation 12.66/6.16 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.66/6.16 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.66/6.16 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.66/6.16 12.66/6.16 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:39:48.820 12.66/6.16 !MESSAGE The workspace will exit with unsaved changes in this session. 12.66/6.16 Received shutdown request... 12.66/6.16 Ultimate: 12.66/6.16 GTK+ Version Check 12.66/6.16 EOF