13.07/6.41 YES 13.07/6.41 13.07/6.41 Ultimate: Cannot open display: 13.07/6.41 This is Ultimate 0.1.24-8dc7c08-m 13.07/6.41 [2019-03-28 22:29:01,088 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.07/6.41 [2019-03-28 22:29:01,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.07/6.41 [2019-03-28 22:29:01,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.07/6.41 [2019-03-28 22:29:01,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.07/6.41 [2019-03-28 22:29:01,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.07/6.41 [2019-03-28 22:29:01,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.07/6.41 [2019-03-28 22:29:01,107 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.07/6.41 [2019-03-28 22:29:01,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.07/6.41 [2019-03-28 22:29:01,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.07/6.41 [2019-03-28 22:29:01,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.07/6.41 [2019-03-28 22:29:01,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.07/6.41 [2019-03-28 22:29:01,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.07/6.41 [2019-03-28 22:29:01,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.07/6.41 [2019-03-28 22:29:01,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.07/6.41 [2019-03-28 22:29:01,115 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.07/6.41 [2019-03-28 22:29:01,117 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.07/6.41 [2019-03-28 22:29:01,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.07/6.41 [2019-03-28 22:29:01,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.07/6.41 [2019-03-28 22:29:01,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.07/6.41 [2019-03-28 22:29:01,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.07/6.41 [2019-03-28 22:29:01,124 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.07/6.41 [2019-03-28 22:29:01,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.07/6.41 [2019-03-28 22:29:01,125 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.07/6.41 [2019-03-28 22:29:01,126 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.07/6.41 [2019-03-28 22:29:01,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.07/6.41 [2019-03-28 22:29:01,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.07/6.41 [2019-03-28 22:29:01,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.07/6.41 [2019-03-28 22:29:01,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.07/6.41 [2019-03-28 22:29:01,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.07/6.41 [2019-03-28 22:29:01,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.07/6.41 [2019-03-28 22:29:01,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.07/6.41 [2019-03-28 22:29:01,132 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.07/6.41 [2019-03-28 22:29:01,146 INFO L110 SettingsManager]: Loading preferences was successful 13.07/6.41 [2019-03-28 22:29:01,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.07/6.41 [2019-03-28 22:29:01,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.07/6.41 [2019-03-28 22:29:01,148 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.07/6.41 [2019-03-28 22:29:01,148 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.07/6.41 [2019-03-28 22:29:01,148 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.07/6.41 [2019-03-28 22:29:01,148 INFO L133 SettingsManager]: * Use SBE=true 13.07/6.41 [2019-03-28 22:29:01,148 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Use old map elimination=false 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.07/6.41 [2019-03-28 22:29:01,149 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.07/6.41 [2019-03-28 22:29:01,150 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:01,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.07/6.41 [2019-03-28 22:29:01,150 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.07/6.41 [2019-03-28 22:29:01,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.07/6.41 [2019-03-28 22:29:01,150 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.07/6.41 [2019-03-28 22:29:01,150 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.07/6.41 [2019-03-28 22:29:01,151 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.07/6.41 [2019-03-28 22:29:01,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.07/6.41 [2019-03-28 22:29:01,151 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.07/6.41 [2019-03-28 22:29:01,151 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.07/6.41 [2019-03-28 22:29:01,151 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.07/6.41 [2019-03-28 22:29:01,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.07/6.41 [2019-03-28 22:29:01,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.07/6.41 [2019-03-28 22:29:01,152 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.07/6.41 [2019-03-28 22:29:01,152 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.07/6.41 [2019-03-28 22:29:01,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.07/6.41 [2019-03-28 22:29:01,191 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.07/6.41 [2019-03-28 22:29:01,194 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.07/6.41 [2019-03-28 22:29:01,196 INFO L271 PluginConnector]: Initializing CDTParser... 13.07/6.41 [2019-03-28 22:29:01,196 INFO L276 PluginConnector]: CDTParser initialized 13.07/6.41 [2019-03-28 22:29:01,197 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.07/6.41 [2019-03-28 22:29:01,278 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ccaa0c1a04b240f5b344cfd7c1d3c014/FLAG344255c9a 13.07/6.41 [2019-03-28 22:29:01,621 INFO L307 CDTParser]: Found 1 translation units. 13.07/6.41 [2019-03-28 22:29:01,622 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.07/6.41 [2019-03-28 22:29:01,628 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ccaa0c1a04b240f5b344cfd7c1d3c014/FLAG344255c9a 13.07/6.41 [2019-03-28 22:29:02,049 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ccaa0c1a04b240f5b344cfd7c1d3c014 13.07/6.41 [2019-03-28 22:29:02,061 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.07/6.41 [2019-03-28 22:29:02,063 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.07/6.41 [2019-03-28 22:29:02,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.07/6.41 [2019-03-28 22:29:02,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.07/6.41 [2019-03-28 22:29:02,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.07/6.41 [2019-03-28 22:29:02,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2511e852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.07/6.41 [2019-03-28 22:29:02,096 INFO L176 MainTranslator]: Built tables and reachable declarations 13.07/6.41 [2019-03-28 22:29:02,253 INFO L206 PostProcessor]: Analyzing one entry point: main 13.07/6.41 [2019-03-28 22:29:02,257 INFO L191 MainTranslator]: Completed pre-run 13.07/6.41 [2019-03-28 22:29:02,273 INFO L206 PostProcessor]: Analyzing one entry point: main 13.07/6.41 [2019-03-28 22:29:02,341 INFO L195 MainTranslator]: Completed translation 13.07/6.41 [2019-03-28 22:29:02,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02 WrapperNode 13.07/6.41 [2019-03-28 22:29:02,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.07/6.41 [2019-03-28 22:29:02,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.07/6.41 [2019-03-28 22:29:02,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.07/6.41 [2019-03-28 22:29:02,343 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.07/6.41 [2019-03-28 22:29:02,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.07/6.41 [2019-03-28 22:29:02,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.07/6.41 [2019-03-28 22:29:02,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.07/6.41 [2019-03-28 22:29:02,378 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.07/6.41 [2019-03-28 22:29:02,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.07/6.41 [2019-03-28 22:29:02,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.07/6.41 [2019-03-28 22:29:02,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.07/6.41 [2019-03-28 22:29:02,398 INFO L276 PluginConnector]: RCFGBuilder initialized 13.07/6.41 [2019-03-28 22:29:02,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (1/1) ... 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.07/6.41 [2019-03-28 22:29:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.07/6.41 [2019-03-28 22:29:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.07/6.41 [2019-03-28 22:29:02,586 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.07/6.41 [2019-03-28 22:29:02,586 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.07/6.41 [2019-03-28 22:29:02,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:29:02 BoogieIcfgContainer 13.07/6.41 [2019-03-28 22:29:02,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.07/6.41 [2019-03-28 22:29:02,588 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.07/6.41 [2019-03-28 22:29:02,589 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.07/6.41 [2019-03-28 22:29:02,591 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.07/6.41 [2019-03-28 22:29:02,591 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:29:02" (1/1) ... 13.07/6.41 [2019-03-28 22:29:02,606 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 13.07/6.41 [2019-03-28 22:29:02,607 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.07/6.41 [2019-03-28 22:29:02,608 INFO L263 BlockEncoder]: Using Maximize final states 13.07/6.41 [2019-03-28 22:29:02,608 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.07/6.41 [2019-03-28 22:29:02,609 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.07/6.41 [2019-03-28 22:29:02,610 INFO L296 BlockEncoder]: Using Remove sink states 13.07/6.41 [2019-03-28 22:29:02,611 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.07/6.41 [2019-03-28 22:29:02,612 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.07/6.41 [2019-03-28 22:29:02,625 INFO L185 BlockEncoder]: Using Use SBE 13.07/6.41 [2019-03-28 22:29:02,632 INFO L200 BlockEncoder]: SBE split 0 edges 13.07/6.41 [2019-03-28 22:29:02,637 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.07/6.41 [2019-03-28 22:29:02,639 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.07/6.41 [2019-03-28 22:29:02,649 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.07/6.41 [2019-03-28 22:29:02,651 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.07/6.41 [2019-03-28 22:29:02,652 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.07/6.41 [2019-03-28 22:29:02,652 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.07/6.41 [2019-03-28 22:29:02,658 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 13.07/6.41 [2019-03-28 22:29:02,658 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.07/6.41 [2019-03-28 22:29:02,658 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.07/6.41 [2019-03-28 22:29:02,659 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.07/6.41 [2019-03-28 22:29:02,659 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.07/6.41 [2019-03-28 22:29:02,659 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.07/6.41 [2019-03-28 22:29:02,659 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 13.07/6.41 [2019-03-28 22:29:02,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:29:02 BasicIcfg 13.07/6.41 [2019-03-28 22:29:02,660 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.07/6.41 [2019-03-28 22:29:02,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.07/6.41 [2019-03-28 22:29:02,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.07/6.41 [2019-03-28 22:29:02,664 INFO L276 PluginConnector]: TraceAbstraction initialized 13.07/6.41 [2019-03-28 22:29:02,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:29:02" (1/4) ... 13.07/6.41 [2019-03-28 22:29:02,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebd503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (2/4) ... 13.07/6.41 [2019-03-28 22:29:02,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebd503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:29:02" (3/4) ... 13.07/6.41 [2019-03-28 22:29:02,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebd503c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:29:02" (4/4) ... 13.07/6.41 [2019-03-28 22:29:02,668 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.07/6.41 [2019-03-28 22:29:02,678 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.07/6.41 [2019-03-28 22:29:02,686 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.07/6.41 [2019-03-28 22:29:02,705 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.07/6.41 [2019-03-28 22:29:02,734 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.07/6.41 [2019-03-28 22:29:02,734 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.07/6.41 [2019-03-28 22:29:02,735 INFO L383 AbstractCegarLoop]: Hoare is true 13.07/6.41 [2019-03-28 22:29:02,735 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.07/6.41 [2019-03-28 22:29:02,735 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.07/6.41 [2019-03-28 22:29:02,735 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.07/6.41 [2019-03-28 22:29:02,735 INFO L387 AbstractCegarLoop]: Difference is false 13.07/6.41 [2019-03-28 22:29:02,735 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.07/6.41 [2019-03-28 22:29:02,736 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.07/6.41 [2019-03-28 22:29:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 13.07/6.41 [2019-03-28 22:29:02,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.07/6.41 [2019-03-28 22:29:02,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 13.07/6.41 [2019-03-28 22:29:02,807 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.07/6.41 [2019-03-28 22:29:02,807 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 17) no Hoare annotation was computed. 13.07/6.41 [2019-03-28 22:29:02,808 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 13 17) no Hoare annotation was computed. 13.07/6.41 [2019-03-28 22:29:02,808 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 19) the Hoare annotation is: true 13.07/6.41 [2019-03-28 22:29:02,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:29:02 BasicIcfg 13.07/6.41 [2019-03-28 22:29:02,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.07/6.41 [2019-03-28 22:29:02,817 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.07/6.41 [2019-03-28 22:29:02,817 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.07/6.41 [2019-03-28 22:29:02,821 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.07/6.41 [2019-03-28 22:29:02,822 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.41 [2019-03-28 22:29:02,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:29:02" (1/5) ... 13.07/6.41 [2019-03-28 22:29:02,823 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@140b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,823 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.41 [2019-03-28 22:29:02,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:29:02" (2/5) ... 13.07/6.41 [2019-03-28 22:29:02,823 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@140b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,823 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.41 [2019-03-28 22:29:02,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:29:02" (3/5) ... 13.07/6.41 [2019-03-28 22:29:02,824 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@140b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,824 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.41 [2019-03-28 22:29:02,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:29:02" (4/5) ... 13.07/6.41 [2019-03-28 22:29:02,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@140b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:29:02, skipping insertion in model container 13.07/6.41 [2019-03-28 22:29:02,825 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.07/6.41 [2019-03-28 22:29:02,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:29:02" (5/5) ... 13.07/6.41 [2019-03-28 22:29:02,826 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.07/6.41 [2019-03-28 22:29:02,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.07/6.41 [2019-03-28 22:29:02,855 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.07/6.41 [2019-03-28 22:29:02,855 INFO L375 BuchiCegarLoop]: Hoare is true 13.07/6.41 [2019-03-28 22:29:02,855 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.07/6.41 [2019-03-28 22:29:02,855 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.07/6.41 [2019-03-28 22:29:02,855 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.07/6.41 [2019-03-28 22:29:02,856 INFO L379 BuchiCegarLoop]: Difference is false 13.07/6.41 [2019-03-28 22:29:02,856 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.07/6.41 [2019-03-28 22:29:02,856 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.07/6.41 [2019-03-28 22:29:02,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.07/6.41 [2019-03-28 22:29:02,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.07/6.41 [2019-03-28 22:29:02,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.07/6.41 [2019-03-28 22:29:02,876 INFO L119 BuchiIsEmpty]: Starting construction of run 13.07/6.41 [2019-03-28 22:29:02,882 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.07/6.41 [2019-03-28 22:29:02,882 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.07/6.41 [2019-03-28 22:29:02,882 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.07/6.41 [2019-03-28 22:29:02,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 13.07/6.41 [2019-03-28 22:29:02,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 13.07/6.41 [2019-03-28 22:29:02,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.07/6.41 [2019-03-28 22:29:02,883 INFO L119 BuchiIsEmpty]: Starting construction of run 13.07/6.41 [2019-03-28 22:29:02,883 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.07/6.41 [2019-03-28 22:29:02,883 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.07/6.41 [2019-03-28 22:29:02,888 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_10) (= 0 v_ULTIMATE.start_main_~c~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 3#L12-2true 13.07/6.41 [2019-03-28 22:29:02,889 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [33] L12-2-->L13: Formula: (< 0 v_ULTIMATE.start_main_~x~0_11) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[] 6#L13true [40] L13-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 v_ULTIMATE.start_main_~y~0_1) (< v_ULTIMATE.start_main_~y~0_1 v_ULTIMATE.start_main_~x~0_2)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_2} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L13-2true [39] L13-2-->L12-2: Formula: (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1)) 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_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0] 3#L12-2true 13.07/6.41 [2019-03-28 22:29:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.41 [2019-03-28 22:29:02,895 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 13.07/6.41 [2019-03-28 22:29:02,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.41 [2019-03-28 22:29:02,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.41 [2019-03-28 22:29:02,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.41 [2019-03-28 22:29:02,969 INFO L82 PathProgramCache]: Analyzing trace with hash 62783, now seen corresponding path program 1 times 13.07/6.41 [2019-03-28 22:29:02,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.41 [2019-03-28 22:29:02,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.41 [2019-03-28 22:29:02,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:02,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.41 [2019-03-28 22:29:02,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2386481, now seen corresponding path program 1 times 13.07/6.41 [2019-03-28 22:29:02,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.07/6.41 [2019-03-28 22:29:02,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.07/6.41 [2019-03-28 22:29:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.07/6.41 [2019-03-28 22:29:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.07/6.41 [2019-03-28 22:29:03,040 INFO L216 LassoAnalysis]: Preferences: 13.07/6.41 [2019-03-28 22:29:03,041 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.07/6.41 [2019-03-28 22:29:03,041 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.07/6.41 [2019-03-28 22:29:03,042 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.07/6.41 [2019-03-28 22:29:03,042 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.07/6.41 [2019-03-28 22:29:03,042 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,042 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.07/6.41 [2019-03-28 22:29:03,042 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.07/6.41 [2019-03-28 22:29:03,043 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.07/6.41 [2019-03-28 22:29:03,043 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.07/6.41 [2019-03-28 22:29:03,043 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.07/6.41 [2019-03-28 22:29:03,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,173 INFO L300 LassoAnalysis]: Preprocessing complete. 13.07/6.41 [2019-03-28 22:29:03,174 INFO L412 LassoAnalysis]: Checking for nontermination... 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,181 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 [2019-03-28 22:29:03,214 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.07/6.41 [2019-03-28 22:29:03,215 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: [] 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,222 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,222 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 [2019-03-28 22:29:03,249 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.07/6.41 [2019-03-28 22:29:03,249 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: [] 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,254 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,254 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,286 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 [2019-03-28 22:29:03,325 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.07/6.41 [2019-03-28 22:29:03,325 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=-1}, {ULTIMATE.start_main_~c~0=2}] Lambdas: [4, 3, 1] Nus: [0, 1] 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,353 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.07/6.41 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.07/6.41 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,388 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.07/6.41 [2019-03-28 22:29:03,388 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.07/6.41 [2019-03-28 22:29:03,547 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.07/6.41 [2019-03-28 22:29:03,550 INFO L216 LassoAnalysis]: Preferences: 13.07/6.41 [2019-03-28 22:29:03,550 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.07/6.41 [2019-03-28 22:29:03,551 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.07/6.41 [2019-03-28 22:29:03,551 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.07/6.41 [2019-03-28 22:29:03,551 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.07/6.41 [2019-03-28 22:29:03,551 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.07/6.41 [2019-03-28 22:29:03,551 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.07/6.41 [2019-03-28 22:29:03,551 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.07/6.41 [2019-03-28 22:29:03,551 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.07/6.41 [2019-03-28 22:29:03,552 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.07/6.41 [2019-03-28 22:29:03,552 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.07/6.41 [2019-03-28 22:29:03,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.07/6.41 [2019-03-28 22:29:03,634 INFO L300 LassoAnalysis]: Preprocessing complete. 13.07/6.41 [2019-03-28 22:29:03,640 INFO L497 LassoAnalysis]: Using template 'affine'. 13.07/6.41 [2019-03-28 22:29:03,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.41 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.41 Number of strict supporting invariants: 0 13.07/6.41 Number of non-strict supporting invariants: 1 13.07/6.41 Consider only non-deceasing supporting invariants: true 13.07/6.41 Simplify termination arguments: true 13.07/6.41 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.41 [2019-03-28 22:29:03,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.41 [2019-03-28 22:29:03,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.41 [2019-03-28 22:29:03,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.41 [2019-03-28 22:29:03,644 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.41 [2019-03-28 22:29:03,649 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.07/6.41 [2019-03-28 22:29:03,649 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.07/6.41 [2019-03-28 22:29:03,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.41 [2019-03-28 22:29:03,658 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.41 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.41 Number of strict supporting invariants: 0 13.07/6.41 Number of non-strict supporting invariants: 1 13.07/6.41 Consider only non-deceasing supporting invariants: true 13.07/6.41 Simplify termination arguments: true 13.07/6.41 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.41 [2019-03-28 22:29:03,659 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.41 [2019-03-28 22:29:03,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.41 [2019-03-28 22:29:03,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.41 [2019-03-28 22:29:03,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.41 [2019-03-28 22:29:03,663 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 13.07/6.41 [2019-03-28 22:29:03,663 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 13.07/6.41 [2019-03-28 22:29:03,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.41 [2019-03-28 22:29:03,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.41 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.41 Number of strict supporting invariants: 0 13.07/6.41 Number of non-strict supporting invariants: 1 13.07/6.41 Consider only non-deceasing supporting invariants: true 13.07/6.41 Simplify termination arguments: true 13.07/6.41 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.41 [2019-03-28 22:29:03,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.41 [2019-03-28 22:29:03,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.07/6.41 [2019-03-28 22:29:03,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.41 [2019-03-28 22:29:03,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.41 [2019-03-28 22:29:03,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.41 [2019-03-28 22:29:03,674 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.07/6.41 [2019-03-28 22:29:03,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.07/6.41 [2019-03-28 22:29:03,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.07/6.41 [2019-03-28 22:29:03,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.07/6.41 Termination analysis: LINEAR_WITH_GUESSES 13.07/6.41 Number of strict supporting invariants: 0 13.07/6.41 Number of non-strict supporting invariants: 1 13.07/6.41 Consider only non-deceasing supporting invariants: true 13.07/6.41 Simplify termination arguments: true 13.07/6.41 Simplify supporting invariants: trueOverapproximate stem: false 13.07/6.41 [2019-03-28 22:29:03,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.07/6.41 [2019-03-28 22:29:03,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.07/6.41 [2019-03-28 22:29:03,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.07/6.41 [2019-03-28 22:29:03,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.07/6.41 [2019-03-28 22:29:03,680 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.07/6.41 [2019-03-28 22:29:03,681 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.07/6.41 [2019-03-28 22:29:03,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.07/6.41 [2019-03-28 22:29:03,688 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.07/6.41 [2019-03-28 22:29:03,694 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.07/6.41 [2019-03-28 22:29:03,695 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. 13.07/6.41 [2019-03-28 22:29:03,697 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.07/6.41 [2019-03-28 22:29:03,697 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.07/6.41 [2019-03-28 22:29:03,697 INFO L518 LassoAnalysis]: Proved termination. 13.07/6.41 [2019-03-28 22:29:03,698 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.07/6.41 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 13.07/6.41 Supporting invariants [] 13.07/6.41 [2019-03-28 22:29:03,699 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.07/6.41 [2019-03-28 22:29:03,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.07/6.41 [2019-03-28 22:29:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.07/6.41 [2019-03-28 22:29:03,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core 13.07/6.41 [2019-03-28 22:29:03,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.07/6.41 [2019-03-28 22:29:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.07/6.41 [2019-03-28 22:29:03,745 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 13.07/6.41 [2019-03-28 22:29:03,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.07/6.41 [2019-03-28 22:29:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.07/6.41 [2019-03-28 22:29:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.07/6.41 [2019-03-28 22:29:03,837 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 13.07/6.41 [2019-03-28 22:29:03,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.07/6.41 [2019-03-28 22:29:03,843 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 13.07/6.41 [2019-03-28 22:29:03,848 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 13.07/6.41 [2019-03-28 22:29:03,850 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 13.07/6.41 [2019-03-28 22:29:03,887 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 8 states and 9 transitions. Complement of second has 6 states. 13.07/6.41 [2019-03-28 22:29:03,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 13.07/6.41 [2019-03-28 22:29:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.07/6.41 [2019-03-28 22:29:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. 13.07/6.41 [2019-03-28 22:29:03,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 3 letters. 13.07/6.41 [2019-03-28 22:29:03,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.41 [2019-03-28 22:29:03,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 3 letters. 13.07/6.41 [2019-03-28 22:29:03,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.41 [2019-03-28 22:29:03,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 6 letters. 13.07/6.41 [2019-03-28 22:29:03,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.07/6.41 [2019-03-28 22:29:03,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. 13.07/6.41 [2019-03-28 22:29:03,901 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.07/6.41 [2019-03-28 22:29:03,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.07/6.41 [2019-03-28 22:29:03,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.07/6.41 [2019-03-28 22:29:03,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.07/6.41 [2019-03-28 22:29:03,906 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,906 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,906 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,906 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.07/6.41 [2019-03-28 22:29:03,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.07/6.41 [2019-03-28 22:29:03,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.07/6.41 [2019-03-28 22:29:03,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.07/6.41 [2019-03-28 22:29:03,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:29:03 BasicIcfg 13.07/6.41 [2019-03-28 22:29:03,912 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.07/6.41 [2019-03-28 22:29:03,913 INFO L168 Benchmark]: Toolchain (without parser) took 1850.94 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 563.8 MB in the beginning and 524.2 MB in the end (delta: 39.6 MB). Peak memory consumption was 76.3 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,915 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.26 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 563.8 MB in the beginning and 653.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.67 ms. Allocated memory is still 686.3 MB. Free memory was 653.9 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,917 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 ms. Allocated memory is still 686.3 MB. Free memory was 652.5 MB in the beginning and 649.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,918 INFO L168 Benchmark]: RCFGBuilder took 190.55 ms. Allocated memory is still 686.3 MB. Free memory was 649.4 MB in the beginning and 636.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,918 INFO L168 Benchmark]: BlockEncodingV2 took 71.72 ms. Allocated memory is still 686.3 MB. Free memory was 636.5 MB in the beginning and 631.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,919 INFO L168 Benchmark]: TraceAbstraction took 155.77 ms. Allocated memory is still 686.3 MB. Free memory was 631.1 MB in the beginning and 621.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,919 INFO L168 Benchmark]: BuchiAutomizer took 1095.14 ms. Allocated memory is still 686.3 MB. Free memory was 621.6 MB in the beginning and 524.2 MB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 50.3 GB. 13.07/6.41 [2019-03-28 22:29:03,924 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.07/6.41 --- Results --- 13.07/6.41 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.07/6.41 - StatisticsResult: Initial Icfg 13.07/6.41 9 locations, 12 edges 13.07/6.41 - StatisticsResult: Encoded RCFG 13.07/6.41 4 locations, 5 edges 13.07/6.41 * Results from de.uni_freiburg.informatik.ultimate.core: 13.07/6.41 - StatisticsResult: Toolchain Benchmarks 13.07/6.41 Benchmark results are: 13.07/6.41 * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.07/6.41 * CACSL2BoogieTranslator took 278.26 ms. Allocated memory was 649.6 MB in the beginning and 686.3 MB in the end (delta: 36.7 MB). Free memory was 563.8 MB in the beginning and 653.9 MB in the end (delta: -90.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 13.07/6.41 * Boogie Procedure Inliner took 34.67 ms. Allocated memory is still 686.3 MB. Free memory was 653.9 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.07/6.41 * Boogie Preprocessor took 19.57 ms. Allocated memory is still 686.3 MB. Free memory was 652.5 MB in the beginning and 649.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.07/6.41 * RCFGBuilder took 190.55 ms. Allocated memory is still 686.3 MB. Free memory was 649.4 MB in the beginning and 636.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 13.07/6.41 * BlockEncodingV2 took 71.72 ms. Allocated memory is still 686.3 MB. Free memory was 636.5 MB in the beginning and 631.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.07/6.41 * TraceAbstraction took 155.77 ms. Allocated memory is still 686.3 MB. Free memory was 631.1 MB in the beginning and 621.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 13.07/6.41 * BuchiAutomizer took 1095.14 ms. Allocated memory is still 686.3 MB. Free memory was 621.6 MB in the beginning and 524.2 MB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 50.3 GB. 13.07/6.41 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.07/6.41 - AllSpecificationsHoldResult: All specifications hold 13.07/6.41 We were not able to verify any specifiation because the program does not contain any specification. 13.07/6.41 - InvariantResult [Line: 12]: Loop Invariant 13.07/6.41 Derived loop invariant: 1 13.07/6.41 - StatisticsResult: Ultimate Automizer benchmark data 13.07/6.41 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 13.07/6.41 - StatisticsResult: Constructed decomposition of program 13.07/6.41 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x and consists of 4 locations. 13.07/6.41 - StatisticsResult: Timing statistics 13.07/6.41 BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 7 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 13.07/6.41 - TerminationAnalysisResult: Termination proven 13.07/6.41 Buchi Automizer proved that your program is terminating 13.07/6.41 RESULT: Ultimate proved your program to be correct! 13.07/6.41 !SESSION 2019-03-28 22:28:58.746 ----------------------------------------------- 13.07/6.41 eclipse.buildId=unknown 13.07/6.41 java.version=1.8.0_181 13.07/6.41 java.vendor=Oracle Corporation 13.07/6.41 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.07/6.41 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.07/6.41 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 13.07/6.41 13.07/6.41 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:29:04.170 13.07/6.41 !MESSAGE The workspace will exit with unsaved changes in this session. 13.07/6.41 Received shutdown request... 13.07/6.41 Ultimate: 13.07/6.41 GTK+ Version Check 13.07/6.41 EOF