12.94/6.05 YES 12.94/6.05 12.94/6.05 Ultimate: Cannot open display: 12.94/6.05 This is Ultimate 0.1.24-8dc7c08-m 12.94/6.05 [2019-03-29 02:04:16,104 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.94/6.05 [2019-03-29 02:04:16,106 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.94/6.05 [2019-03-29 02:04:16,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.94/6.05 [2019-03-29 02:04:16,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.94/6.05 [2019-03-29 02:04:16,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.94/6.05 [2019-03-29 02:04:16,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.94/6.05 [2019-03-29 02:04:16,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.94/6.05 [2019-03-29 02:04:16,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.94/6.05 [2019-03-29 02:04:16,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.94/6.05 [2019-03-29 02:04:16,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.94/6.05 [2019-03-29 02:04:16,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.94/6.05 [2019-03-29 02:04:16,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.94/6.05 [2019-03-29 02:04:16,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.94/6.05 [2019-03-29 02:04:16,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.94/6.05 [2019-03-29 02:04:16,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.94/6.05 [2019-03-29 02:04:16,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.94/6.05 [2019-03-29 02:04:16,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.94/6.05 [2019-03-29 02:04:16,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.94/6.05 [2019-03-29 02:04:16,138 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.94/6.05 [2019-03-29 02:04:16,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,140 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.94/6.05 [2019-03-29 02:04:16,141 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.94/6.05 [2019-03-29 02:04:16,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.94/6.05 [2019-03-29 02:04:16,142 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.94/6.05 [2019-03-29 02:04:16,143 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.94/6.05 [2019-03-29 02:04:16,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.94/6.05 [2019-03-29 02:04:16,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.94/6.05 [2019-03-29 02:04:16,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.94/6.05 [2019-03-29 02:04:16,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.94/6.05 [2019-03-29 02:04:16,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.94/6.05 [2019-03-29 02:04:16,148 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.94/6.05 [2019-03-29 02:04:16,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.94/6.05 [2019-03-29 02:04:16,149 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 12.94/6.05 [2019-03-29 02:04:16,163 INFO L110 SettingsManager]: Loading preferences was successful 12.94/6.05 [2019-03-29 02:04:16,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.94/6.05 [2019-03-29 02:04:16,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.94/6.05 [2019-03-29 02:04:16,165 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.94/6.05 [2019-03-29 02:04:16,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.94/6.05 [2019-03-29 02:04:16,165 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.94/6.05 [2019-03-29 02:04:16,166 INFO L133 SettingsManager]: * Use SBE=true 12.94/6.05 [2019-03-29 02:04:16,166 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.94/6.05 [2019-03-29 02:04:16,166 INFO L133 SettingsManager]: * Use old map elimination=false 12.94/6.05 [2019-03-29 02:04:16,166 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.94/6.05 [2019-03-29 02:04:16,166 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.94/6.05 [2019-03-29 02:04:16,167 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.94/6.05 [2019-03-29 02:04:16,167 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.94/6.05 [2019-03-29 02:04:16,167 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.94/6.05 [2019-03-29 02:04:16,167 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.94/6.05 [2019-03-29 02:04:16,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.94/6.05 [2019-03-29 02:04:16,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.94/6.05 [2019-03-29 02:04:16,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.94/6.05 [2019-03-29 02:04:16,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.94/6.05 [2019-03-29 02:04:16,168 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.94/6.05 [2019-03-29 02:04:16,168 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.94/6.05 [2019-03-29 02:04:16,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.94/6.05 [2019-03-29 02:04:16,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.94/6.05 [2019-03-29 02:04:16,169 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.94/6.05 [2019-03-29 02:04:16,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.94/6.05 [2019-03-29 02:04:16,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.94/6.05 [2019-03-29 02:04:16,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.94/6.05 [2019-03-29 02:04:16,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.94/6.05 [2019-03-29 02:04:16,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.94/6.05 [2019-03-29 02:04:16,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.94/6.05 [2019-03-29 02:04:16,211 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.94/6.05 [2019-03-29 02:04:16,214 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.94/6.05 [2019-03-29 02:04:16,216 INFO L271 PluginConnector]: Initializing CDTParser... 12.94/6.05 [2019-03-29 02:04:16,216 INFO L276 PluginConnector]: CDTParser initialized 12.94/6.05 [2019-03-29 02:04:16,217 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 12.94/6.05 [2019-03-29 02:04:16,318 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/60da7a30112e40418c1f8dc382e133b9/FLAGba2cc1ecb 12.94/6.05 [2019-03-29 02:04:16,667 INFO L307 CDTParser]: Found 1 translation units. 12.94/6.05 [2019-03-29 02:04:16,668 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 12.94/6.05 [2019-03-29 02:04:16,674 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/60da7a30112e40418c1f8dc382e133b9/FLAGba2cc1ecb 12.94/6.05 [2019-03-29 02:04:17,073 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/60da7a30112e40418c1f8dc382e133b9 12.94/6.05 [2019-03-29 02:04:17,085 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.94/6.05 [2019-03-29 02:04:17,087 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.94/6.05 [2019-03-29 02:04:17,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.94/6.05 [2019-03-29 02:04:17,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.94/6.05 [2019-03-29 02:04:17,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.94/6.05 [2019-03-29 02:04:17,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:04:17" (1/1) ... 12.94/6.05 [2019-03-29 02:04:17,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9ba6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.94/6.06 [2019-03-29 02:04:17,121 INFO L176 MainTranslator]: Built tables and reachable declarations 12.94/6.06 [2019-03-29 02:04:17,277 INFO L206 PostProcessor]: Analyzing one entry point: main 12.94/6.06 [2019-03-29 02:04:17,282 INFO L191 MainTranslator]: Completed pre-run 12.94/6.06 [2019-03-29 02:04:17,297 INFO L206 PostProcessor]: Analyzing one entry point: main 12.94/6.06 [2019-03-29 02:04:17,312 INFO L195 MainTranslator]: Completed translation 12.94/6.06 [2019-03-29 02:04:17,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17 WrapperNode 12.94/6.06 [2019-03-29 02:04:17,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.94/6.06 [2019-03-29 02:04:17,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.94/6.06 [2019-03-29 02:04:17,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.94/6.06 [2019-03-29 02:04:17,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.94/6.06 [2019-03-29 02:04:17,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.94/6.06 [2019-03-29 02:04:17,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.94/6.06 [2019-03-29 02:04:17,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.94/6.06 [2019-03-29 02:04:17,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.94/6.06 [2019-03-29 02:04:17,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.94/6.06 [2019-03-29 02:04:17,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.94/6.06 [2019-03-29 02:04:17,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.94/6.06 [2019-03-29 02:04:17,422 INFO L276 PluginConnector]: RCFGBuilder initialized 12.94/6.06 [2019-03-29 02:04:17,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (1/1) ... 12.94/6.06 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.94/6.06 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.94/6.06 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.94/6.06 [2019-03-29 02:04:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.94/6.06 [2019-03-29 02:04:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.94/6.06 [2019-03-29 02:04:17,613 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.94/6.06 [2019-03-29 02:04:17,614 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.94/6.06 [2019-03-29 02:04:17,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:17 BoogieIcfgContainer 12.94/6.06 [2019-03-29 02:04:17,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.94/6.06 [2019-03-29 02:04:17,616 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.94/6.06 [2019-03-29 02:04:17,616 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.94/6.06 [2019-03-29 02:04:17,618 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.94/6.06 [2019-03-29 02:04:17,619 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:17" (1/1) ... 12.94/6.06 [2019-03-29 02:04:17,633 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 12.94/6.06 [2019-03-29 02:04:17,634 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.94/6.06 [2019-03-29 02:04:17,635 INFO L263 BlockEncoder]: Using Maximize final states 12.94/6.06 [2019-03-29 02:04:17,636 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.94/6.06 [2019-03-29 02:04:17,636 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.94/6.06 [2019-03-29 02:04:17,638 INFO L296 BlockEncoder]: Using Remove sink states 12.94/6.06 [2019-03-29 02:04:17,639 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.94/6.06 [2019-03-29 02:04:17,639 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.94/6.06 [2019-03-29 02:04:17,653 INFO L185 BlockEncoder]: Using Use SBE 12.94/6.06 [2019-03-29 02:04:17,667 INFO L200 BlockEncoder]: SBE split 1 edges 12.94/6.06 [2019-03-29 02:04:17,671 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.94/6.06 [2019-03-29 02:04:17,673 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.94/6.06 [2019-03-29 02:04:17,683 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.94/6.06 [2019-03-29 02:04:17,685 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 12.94/6.06 [2019-03-29 02:04:17,686 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.94/6.06 [2019-03-29 02:04:17,687 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.94/6.06 [2019-03-29 02:04:17,687 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.94/6.06 [2019-03-29 02:04:17,687 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.94/6.06 [2019-03-29 02:04:17,687 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 12.94/6.06 [2019-03-29 02:04:17,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:17 BasicIcfg 12.94/6.06 [2019-03-29 02:04:17,688 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.94/6.06 [2019-03-29 02:04:17,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.94/6.06 [2019-03-29 02:04:17,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.94/6.06 [2019-03-29 02:04:17,692 INFO L276 PluginConnector]: TraceAbstraction initialized 12.94/6.06 [2019-03-29 02:04:17,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:04:17" (1/4) ... 12.94/6.06 [2019-03-29 02:04:17,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8b4d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (2/4) ... 12.94/6.06 [2019-03-29 02:04:17,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8b4d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:17" (3/4) ... 12.94/6.06 [2019-03-29 02:04:17,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8b4d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:17" (4/4) ... 12.94/6.06 [2019-03-29 02:04:17,696 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.94/6.06 [2019-03-29 02:04:17,706 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.94/6.06 [2019-03-29 02:04:17,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.94/6.06 [2019-03-29 02:04:17,732 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.94/6.06 [2019-03-29 02:04:17,761 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.94/6.06 [2019-03-29 02:04:17,761 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.94/6.06 [2019-03-29 02:04:17,761 INFO L383 AbstractCegarLoop]: Hoare is true 12.94/6.06 [2019-03-29 02:04:17,762 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.94/6.06 [2019-03-29 02:04:17,762 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.94/6.06 [2019-03-29 02:04:17,762 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.94/6.06 [2019-03-29 02:04:17,762 INFO L387 AbstractCegarLoop]: Difference is false 12.94/6.06 [2019-03-29 02:04:17,762 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.94/6.06 [2019-03-29 02:04:17,762 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.94/6.06 [2019-03-29 02:04:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.94/6.06 [2019-03-29 02:04:17,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.94/6.06 [2019-03-29 02:04:17,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.94/6.06 [2019-03-29 02:04:17,835 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.94/6.06 [2019-03-29 02:04:17,835 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 29) the Hoare annotation is: true 12.94/6.06 [2019-03-29 02:04:17,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:17 BasicIcfg 12.94/6.06 [2019-03-29 02:04:17,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.94/6.06 [2019-03-29 02:04:17,844 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.94/6.06 [2019-03-29 02:04:17,845 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.94/6.06 [2019-03-29 02:04:17,848 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.94/6.06 [2019-03-29 02:04:17,849 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.94/6.06 [2019-03-29 02:04:17,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:04:17" (1/5) ... 12.94/6.06 [2019-03-29 02:04:17,849 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@415129aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,850 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.94/6.06 [2019-03-29 02:04:17,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:04:17" (2/5) ... 12.94/6.06 [2019-03-29 02:04:17,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@415129aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,850 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.94/6.06 [2019-03-29 02:04:17,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:04:17" (3/5) ... 12.94/6.06 [2019-03-29 02:04:17,851 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@415129aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,851 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.94/6.06 [2019-03-29 02:04:17,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:04:17" (4/5) ... 12.94/6.06 [2019-03-29 02:04:17,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@415129aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:17, skipping insertion in model container 12.94/6.06 [2019-03-29 02:04:17,852 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.94/6.06 [2019-03-29 02:04:17,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:04:17" (5/5) ... 12.94/6.06 [2019-03-29 02:04:17,853 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.94/6.06 [2019-03-29 02:04:17,879 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.94/6.06 [2019-03-29 02:04:17,880 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.94/6.06 [2019-03-29 02:04:17,880 INFO L375 BuchiCegarLoop]: Hoare is true 12.94/6.06 [2019-03-29 02:04:17,880 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.94/6.06 [2019-03-29 02:04:17,880 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.94/6.06 [2019-03-29 02:04:17,880 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.94/6.06 [2019-03-29 02:04:17,881 INFO L379 BuchiCegarLoop]: Difference is false 12.94/6.06 [2019-03-29 02:04:17,881 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.94/6.06 [2019-03-29 02:04:17,881 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.94/6.06 [2019-03-29 02:04:17,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.94/6.06 [2019-03-29 02:04:17,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.94/6.06 [2019-03-29 02:04:17,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.94/6.06 [2019-03-29 02:04:17,901 INFO L119 BuchiIsEmpty]: Starting construction of run 12.94/6.06 [2019-03-29 02:04:17,907 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.94/6.06 [2019-03-29 02:04:17,907 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.94/6.06 [2019-03-29 02:04:17,907 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.94/6.06 [2019-03-29 02:04:17,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.94/6.06 [2019-03-29 02:04:17,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.94/6.06 [2019-03-29 02:04:17,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.94/6.06 [2019-03-29 02:04:17,908 INFO L119 BuchiIsEmpty]: Starting construction of run 12.94/6.06 [2019-03-29 02:04:17,908 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.94/6.06 [2019-03-29 02:04:17,908 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.94/6.06 [2019-03-29 02:04:17,913 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L26-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 12.94/6.06 [2019-03-29 02:04:17,914 INFO L796 eck$LassoCheckResult]: Loop: 4#L26-2true [22] L26-2-->L26-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= v_ULTIMATE.start_main_~y~0_8 2) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8)) (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L26-2true 12.94/6.06 [2019-03-29 02:04:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.94/6.06 [2019-03-29 02:04:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 12.94/6.06 [2019-03-29 02:04:17,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.94/6.06 [2019-03-29 02:04:17,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.94/6.06 [2019-03-29 02:04:17,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:17,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:17,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:17,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.94/6.06 [2019-03-29 02:04:17,993 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times 12.94/6.06 [2019-03-29 02:04:17,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.94/6.06 [2019-03-29 02:04:17,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.94/6.06 [2019-03-29 02:04:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:17,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:17,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:18,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.94/6.06 [2019-03-29 02:04:18,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times 12.94/6.06 [2019-03-29 02:04:18,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.94/6.06 [2019-03-29 02:04:18,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.94/6.06 [2019-03-29 02:04:18,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:18,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:18,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.94/6.06 [2019-03-29 02:04:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.94/6.06 [2019-03-29 02:04:18,088 INFO L216 LassoAnalysis]: Preferences: 12.94/6.06 [2019-03-29 02:04:18,090 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.94/6.06 [2019-03-29 02:04:18,090 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.94/6.06 [2019-03-29 02:04:18,090 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.94/6.06 [2019-03-29 02:04:18,090 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.94/6.06 [2019-03-29 02:04:18,091 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.94/6.06 [2019-03-29 02:04:18,091 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.94/6.06 [2019-03-29 02:04:18,091 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.94/6.06 [2019-03-29 02:04:18,091 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.94/6.06 [2019-03-29 02:04:18,091 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.94/6.06 [2019-03-29 02:04:18,092 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.94/6.06 [2019-03-29 02:04:18,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,263 INFO L300 LassoAnalysis]: Preprocessing complete. 12.94/6.06 [2019-03-29 02:04:18,264 INFO L412 LassoAnalysis]: Checking for nontermination... 12.94/6.06 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.94/6.06 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.94/6.06 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.94/6.06 [2019-03-29 02:04:18,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.94/6.06 [2019-03-29 02:04:18,272 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.94/6.06 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 12.94/6.06 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.94/6.06 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.94/6.06 [2019-03-29 02:04:18,310 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.94/6.06 [2019-03-29 02:04:18,310 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.94/6.06 [2019-03-29 02:04:18,347 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.94/6.06 [2019-03-29 02:04:18,349 INFO L216 LassoAnalysis]: Preferences: 12.94/6.06 [2019-03-29 02:04:18,350 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.94/6.06 [2019-03-29 02:04:18,350 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.94/6.06 [2019-03-29 02:04:18,350 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.94/6.06 [2019-03-29 02:04:18,350 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.94/6.06 [2019-03-29 02:04:18,350 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.94/6.06 [2019-03-29 02:04:18,350 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.94/6.06 [2019-03-29 02:04:18,350 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.94/6.06 [2019-03-29 02:04:18,351 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.94/6.06 [2019-03-29 02:04:18,351 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.94/6.06 [2019-03-29 02:04:18,351 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.94/6.06 [2019-03-29 02:04:18,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.94/6.06 [2019-03-29 02:04:18,466 INFO L300 LassoAnalysis]: Preprocessing complete. 12.94/6.06 [2019-03-29 02:04:18,472 INFO L497 LassoAnalysis]: Using template 'affine'. 12.94/6.06 [2019-03-29 02:04:18,474 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.94/6.06 Termination analysis: LINEAR_WITH_GUESSES 12.94/6.06 Number of strict supporting invariants: 0 12.94/6.06 Number of non-strict supporting invariants: 1 12.94/6.06 Consider only non-deceasing supporting invariants: true 12.94/6.06 Simplify termination arguments: true 12.94/6.06 Simplify supporting invariants: trueOverapproximate stem: false 12.94/6.06 [2019-03-29 02:04:18,475 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.94/6.06 [2019-03-29 02:04:18,475 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.94/6.06 [2019-03-29 02:04:18,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.94/6.06 [2019-03-29 02:04:18,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.94/6.06 [2019-03-29 02:04:18,476 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.94/6.06 [2019-03-29 02:04:18,479 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.94/6.06 [2019-03-29 02:04:18,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.94/6.06 [2019-03-29 02:04:18,494 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.94/6.06 [2019-03-29 02:04:18,502 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.94/6.06 [2019-03-29 02:04:18,503 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 12.94/6.06 [2019-03-29 02:04:18,505 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.94/6.06 [2019-03-29 02:04:18,505 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.94/6.06 [2019-03-29 02:04:18,506 INFO L518 LassoAnalysis]: Proved termination. 12.94/6.06 [2019-03-29 02:04:18,506 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.94/6.06 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 12.94/6.06 Supporting invariants [] 12.94/6.06 [2019-03-29 02:04:18,508 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.94/6.06 [2019-03-29 02:04:18,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.94/6.06 [2019-03-29 02:04:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.94/6.06 [2019-03-29 02:04:18,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 12.94/6.06 [2019-03-29 02:04:18,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.94/6.06 [2019-03-29 02:04:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.94/6.06 [2019-03-29 02:04:18,549 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core 12.94/6.06 [2019-03-29 02:04:18,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.94/6.06 [2019-03-29 02:04:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.94/6.06 [2019-03-29 02:04:18,562 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 12.94/6.06 [2019-03-29 02:04:18,566 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 12.94/6.06 [2019-03-29 02:04:18,568 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 12.94/6.06 [2019-03-29 02:04:18,586 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 12.94/6.06 [2019-03-29 02:04:18,587 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 12.94/6.06 [2019-03-29 02:04:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.94/6.06 [2019-03-29 02:04:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 12.94/6.06 [2019-03-29 02:04:18,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 12.94/6.06 [2019-03-29 02:04:18,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.94/6.06 [2019-03-29 02:04:18,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 12.94/6.06 [2019-03-29 02:04:18,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.94/6.06 [2019-03-29 02:04:18,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 12.94/6.06 [2019-03-29 02:04:18,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.94/6.06 [2019-03-29 02:04:18,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 12.94/6.06 [2019-03-29 02:04:18,597 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.94/6.06 [2019-03-29 02:04:18,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.94/6.06 [2019-03-29 02:04:18,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.94/6.06 [2019-03-29 02:04:18,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.94/6.06 [2019-03-29 02:04:18,602 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,603 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,603 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,603 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.94/6.06 [2019-03-29 02:04:18,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.94/6.06 [2019-03-29 02:04:18,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.94/6.06 [2019-03-29 02:04:18,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.94/6.06 [2019-03-29 02:04:18,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:04:18 BasicIcfg 12.94/6.06 [2019-03-29 02:04:18,609 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.94/6.06 [2019-03-29 02:04:18,610 INFO L168 Benchmark]: Toolchain (without parser) took 1524.03 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 565.0 MB in the beginning and 545.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 47.6 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,611 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.00 ms. Allocated memory is still 649.6 MB. Free memory was 563.7 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.59 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 554.3 MB in the beginning and 645.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,613 INFO L168 Benchmark]: Boogie Preprocessor took 19.12 ms. Allocated memory is still 677.9 MB. Free memory was 644.2 MB in the beginning and 642.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,614 INFO L168 Benchmark]: RCFGBuilder took 193.92 ms. Allocated memory is still 677.9 MB. Free memory was 642.5 MB in the beginning and 628.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,615 INFO L168 Benchmark]: BlockEncodingV2 took 72.53 ms. Allocated memory is still 677.9 MB. Free memory was 628.5 MB in the beginning and 623.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,615 INFO L168 Benchmark]: TraceAbstraction took 154.92 ms. Allocated memory is still 677.9 MB. Free memory was 623.1 MB in the beginning and 615.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,616 INFO L168 Benchmark]: BuchiAutomizer took 764.63 ms. Allocated memory is still 677.9 MB. Free memory was 613.6 MB in the beginning and 545.7 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 50.3 GB. 12.94/6.06 [2019-03-29 02:04:18,620 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.94/6.06 --- Results --- 12.94/6.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.94/6.06 - StatisticsResult: Initial Icfg 12.94/6.06 6 locations, 7 edges 12.94/6.06 - StatisticsResult: Encoded RCFG 12.94/6.06 2 locations, 2 edges 12.94/6.06 * Results from de.uni_freiburg.informatik.ultimate.core: 12.94/6.06 - StatisticsResult: Toolchain Benchmarks 12.94/6.06 Benchmark results are: 12.94/6.06 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.94/6.06 * CACSL2BoogieTranslator took 225.00 ms. Allocated memory is still 649.6 MB. Free memory was 563.7 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.94/6.06 * Boogie Procedure Inliner took 88.59 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 554.3 MB in the beginning and 645.6 MB in the end (delta: -91.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.94/6.06 * Boogie Preprocessor took 19.12 ms. Allocated memory is still 677.9 MB. Free memory was 644.2 MB in the beginning and 642.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 12.94/6.06 * RCFGBuilder took 193.92 ms. Allocated memory is still 677.9 MB. Free memory was 642.5 MB in the beginning and 628.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 12.94/6.06 * BlockEncodingV2 took 72.53 ms. Allocated memory is still 677.9 MB. Free memory was 628.5 MB in the beginning and 623.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.94/6.06 * TraceAbstraction took 154.92 ms. Allocated memory is still 677.9 MB. Free memory was 623.1 MB in the beginning and 615.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.94/6.06 * BuchiAutomizer took 764.63 ms. Allocated memory is still 677.9 MB. Free memory was 613.6 MB in the beginning and 545.7 MB in the end (delta: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 50.3 GB. 12.94/6.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.94/6.06 - AllSpecificationsHoldResult: All specifications hold 12.94/6.06 We were not able to verify any specifiation because the program does not contain any specification. 12.94/6.06 - InvariantResult [Line: 26]: Loop Invariant 12.94/6.06 Derived loop invariant: 1 12.94/6.06 - StatisticsResult: Ultimate Automizer benchmark data 12.94/6.06 CFG has 1 procedures, 2 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=2occurred 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 12.94/6.06 - StatisticsResult: Constructed decomposition of program 12.94/6.06 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 2 locations. 12.94/6.06 - StatisticsResult: Timing statistics 12.94/6.06 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf93 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.94/6.06 - TerminationAnalysisResult: Termination proven 12.94/6.06 Buchi Automizer proved that your program is terminating 12.94/6.06 RESULT: Ultimate proved your program to be correct! 12.94/6.06 !SESSION 2019-03-29 02:04:13.699 ----------------------------------------------- 12.94/6.06 eclipse.buildId=unknown 12.94/6.06 java.version=1.8.0_181 12.94/6.06 java.vendor=Oracle Corporation 12.94/6.06 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.94/6.06 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 12.94/6.06 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 12.94/6.06 12.94/6.06 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:04:18.853 12.94/6.06 !MESSAGE The workspace will exit with unsaved changes in this session. 12.94/6.06 Received shutdown request... 12.94/6.06 Ultimate: 12.94/6.06 GTK+ Version Check 12.94/6.06 EOF