14.66/6.75 NO 14.66/6.75 14.66/6.76 Ultimate: Cannot open display: 14.66/6.76 This is Ultimate 0.1.24-8dc7c08-m 14.66/6.76 [2019-03-28 22:35:15,572 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.66/6.76 [2019-03-28 22:35:15,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.66/6.76 [2019-03-28 22:35:15,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,585 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.66/6.76 [2019-03-28 22:35:15,586 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.66/6.76 [2019-03-28 22:35:15,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.66/6.76 [2019-03-28 22:35:15,589 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.66/6.76 [2019-03-28 22:35:15,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.66/6.76 [2019-03-28 22:35:15,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.66/6.76 [2019-03-28 22:35:15,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.66/6.76 [2019-03-28 22:35:15,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.66/6.76 [2019-03-28 22:35:15,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.66/6.76 [2019-03-28 22:35:15,595 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.66/6.76 [2019-03-28 22:35:15,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.66/6.76 [2019-03-28 22:35:15,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.66/6.76 [2019-03-28 22:35:15,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.66/6.76 [2019-03-28 22:35:15,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.66/6.76 [2019-03-28 22:35:15,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.66/6.76 [2019-03-28 22:35:15,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.66/6.76 [2019-03-28 22:35:15,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.66/6.76 [2019-03-28 22:35:15,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.66/6.76 [2019-03-28 22:35:15,607 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.66/6.76 [2019-03-28 22:35:15,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.66/6.76 [2019-03-28 22:35:15,608 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.66/6.76 [2019-03-28 22:35:15,609 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.66/6.76 [2019-03-28 22:35:15,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.66/6.76 [2019-03-28 22:35:15,611 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.66/6.76 [2019-03-28 22:35:15,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.66/6.76 [2019-03-28 22:35:15,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.66/6.76 [2019-03-28 22:35:15,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.66/6.76 [2019-03-28 22:35:15,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.66/6.76 [2019-03-28 22:35:15,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.66/6.76 [2019-03-28 22:35:15,615 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.66/6.76 [2019-03-28 22:35:15,629 INFO L110 SettingsManager]: Loading preferences was successful 14.66/6.76 [2019-03-28 22:35:15,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.66/6.76 [2019-03-28 22:35:15,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.66/6.76 [2019-03-28 22:35:15,631 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.66/6.76 [2019-03-28 22:35:15,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.66/6.76 [2019-03-28 22:35:15,631 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.66/6.76 [2019-03-28 22:35:15,631 INFO L133 SettingsManager]: * Use SBE=true 14.66/6.76 [2019-03-28 22:35:15,632 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.66/6.76 [2019-03-28 22:35:15,632 INFO L133 SettingsManager]: * Use old map elimination=false 14.66/6.76 [2019-03-28 22:35:15,632 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.66/6.76 [2019-03-28 22:35:15,632 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.66/6.76 [2019-03-28 22:35:15,632 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.66/6.76 [2019-03-28 22:35:15,632 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.66/6.76 [2019-03-28 22:35:15,633 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.66/6.76 [2019-03-28 22:35:15,633 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:15,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.66/6.76 [2019-03-28 22:35:15,633 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.66/6.76 [2019-03-28 22:35:15,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.66/6.76 [2019-03-28 22:35:15,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.66/6.76 [2019-03-28 22:35:15,634 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.66/6.76 [2019-03-28 22:35:15,634 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.66/6.76 [2019-03-28 22:35:15,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.66/6.76 [2019-03-28 22:35:15,634 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.66/6.76 [2019-03-28 22:35:15,634 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.66/6.76 [2019-03-28 22:35:15,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.66/6.76 [2019-03-28 22:35:15,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.66/6.76 [2019-03-28 22:35:15,635 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.66/6.76 [2019-03-28 22:35:15,635 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.66/6.76 [2019-03-28 22:35:15,635 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.66/6.76 [2019-03-28 22:35:15,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.66/6.76 [2019-03-28 22:35:15,673 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.66/6.76 [2019-03-28 22:35:15,676 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.66/6.76 [2019-03-28 22:35:15,678 INFO L271 PluginConnector]: Initializing CDTParser... 14.66/6.76 [2019-03-28 22:35:15,678 INFO L276 PluginConnector]: CDTParser initialized 14.66/6.76 [2019-03-28 22:35:15,679 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.66/6.76 [2019-03-28 22:35:15,764 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/4be8633696fc49fbbf5f399b4eda3c10/FLAGc233bc40b 14.66/6.76 [2019-03-28 22:35:16,103 INFO L307 CDTParser]: Found 1 translation units. 14.66/6.76 [2019-03-28 22:35:16,104 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.66/6.76 [2019-03-28 22:35:16,110 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/4be8633696fc49fbbf5f399b4eda3c10/FLAGc233bc40b 14.66/6.76 [2019-03-28 22:35:16,518 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/4be8633696fc49fbbf5f399b4eda3c10 14.66/6.76 [2019-03-28 22:35:16,530 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.66/6.76 [2019-03-28 22:35:16,532 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.66/6.76 [2019-03-28 22:35:16,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.66/6.76 [2019-03-28 22:35:16,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.66/6.76 [2019-03-28 22:35:16,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.66/6.76 [2019-03-28 22:35:16,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1eec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:16,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.66/6.76 [2019-03-28 22:35:16,567 INFO L176 MainTranslator]: Built tables and reachable declarations 14.66/6.76 [2019-03-28 22:35:16,724 INFO L206 PostProcessor]: Analyzing one entry point: main 14.66/6.76 [2019-03-28 22:35:16,729 INFO L191 MainTranslator]: Completed pre-run 14.66/6.76 [2019-03-28 22:35:16,745 INFO L206 PostProcessor]: Analyzing one entry point: main 14.66/6.76 [2019-03-28 22:35:16,760 INFO L195 MainTranslator]: Completed translation 14.66/6.76 [2019-03-28 22:35:16,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16 WrapperNode 14.66/6.76 [2019-03-28 22:35:16,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.66/6.76 [2019-03-28 22:35:16,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.66/6.76 [2019-03-28 22:35:16,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.66/6.76 [2019-03-28 22:35:16,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.66/6.76 [2019-03-28 22:35:16,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.66/6.76 [2019-03-28 22:35:16,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.66/6.76 [2019-03-28 22:35:16,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.66/6.76 [2019-03-28 22:35:16,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.66/6.76 [2019-03-28 22:35:16,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 [2019-03-28 22:35:16,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.66/6.76 [2019-03-28 22:35:16,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.66/6.76 [2019-03-28 22:35:16,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.66/6.76 [2019-03-28 22:35:16,875 INFO L276 PluginConnector]: RCFGBuilder initialized 14.66/6.76 [2019-03-28 22:35:16,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (1/1) ... 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.66/6.76 [2019-03-28 22:35:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.66/6.76 [2019-03-28 22:35:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.66/6.76 [2019-03-28 22:35:17,051 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.66/6.76 [2019-03-28 22:35:17,051 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.66/6.76 [2019-03-28 22:35:17,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:17 BoogieIcfgContainer 14.66/6.76 [2019-03-28 22:35:17,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.66/6.76 [2019-03-28 22:35:17,053 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.66/6.76 [2019-03-28 22:35:17,053 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.66/6.76 [2019-03-28 22:35:17,055 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.66/6.76 [2019-03-28 22:35:17,056 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:17" (1/1) ... 14.66/6.76 [2019-03-28 22:35:17,070 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 14.66/6.76 [2019-03-28 22:35:17,072 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.66/6.76 [2019-03-28 22:35:17,072 INFO L263 BlockEncoder]: Using Maximize final states 14.66/6.76 [2019-03-28 22:35:17,073 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.66/6.76 [2019-03-28 22:35:17,073 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.66/6.76 [2019-03-28 22:35:17,075 INFO L296 BlockEncoder]: Using Remove sink states 14.66/6.76 [2019-03-28 22:35:17,076 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.66/6.76 [2019-03-28 22:35:17,076 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.66/6.76 [2019-03-28 22:35:17,091 INFO L185 BlockEncoder]: Using Use SBE 14.66/6.76 [2019-03-28 22:35:17,105 INFO L200 BlockEncoder]: SBE split 1 edges 14.66/6.76 [2019-03-28 22:35:17,110 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.66/6.76 [2019-03-28 22:35:17,111 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.66/6.76 [2019-03-28 22:35:17,124 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 14.66/6.76 [2019-03-28 22:35:17,126 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.66/6.76 [2019-03-28 22:35:17,128 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.66/6.76 [2019-03-28 22:35:17,128 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.66/6.76 [2019-03-28 22:35:17,128 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.66/6.76 [2019-03-28 22:35:17,128 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.66/6.76 [2019-03-28 22:35:17,129 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 14.66/6.76 [2019-03-28 22:35:17,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:17 BasicIcfg 14.66/6.76 [2019-03-28 22:35:17,129 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.66/6.76 [2019-03-28 22:35:17,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.66/6.76 [2019-03-28 22:35:17,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.66/6.76 [2019-03-28 22:35:17,134 INFO L276 PluginConnector]: TraceAbstraction initialized 14.66/6.76 [2019-03-28 22:35:17,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:35:16" (1/4) ... 14.66/6.76 [2019-03-28 22:35:17,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee82735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (2/4) ... 14.66/6.76 [2019-03-28 22:35:17,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee82735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:17" (3/4) ... 14.66/6.76 [2019-03-28 22:35:17,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee82735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:17" (4/4) ... 14.66/6.76 [2019-03-28 22:35:17,137 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.66/6.76 [2019-03-28 22:35:17,147 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.66/6.76 [2019-03-28 22:35:17,155 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.66/6.76 [2019-03-28 22:35:17,173 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.66/6.76 [2019-03-28 22:35:17,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.66/6.76 [2019-03-28 22:35:17,204 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.66/6.76 [2019-03-28 22:35:17,204 INFO L383 AbstractCegarLoop]: Hoare is true 14.66/6.76 [2019-03-28 22:35:17,204 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.66/6.76 [2019-03-28 22:35:17,204 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.66/6.76 [2019-03-28 22:35:17,204 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.66/6.76 [2019-03-28 22:35:17,204 INFO L387 AbstractCegarLoop]: Difference is false 14.66/6.76 [2019-03-28 22:35:17,205 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.66/6.76 [2019-03-28 22:35:17,205 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.66/6.76 [2019-03-28 22:35:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.66/6.76 [2019-03-28 22:35:17,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.66/6.76 [2019-03-28 22:35:17,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.66/6.76 [2019-03-28 22:35:17,280 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.66/6.76 [2019-03-28 22:35:17,280 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 14) the Hoare annotation is: true 14.66/6.76 [2019-03-28 22:35:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:17 BasicIcfg 14.66/6.76 [2019-03-28 22:35:17,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.66/6.76 [2019-03-28 22:35:17,289 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.66/6.76 [2019-03-28 22:35:17,289 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.66/6.76 [2019-03-28 22:35:17,293 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.66/6.76 [2019-03-28 22:35:17,294 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.66/6.76 [2019-03-28 22:35:17,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:35:16" (1/5) ... 14.66/6.76 [2019-03-28 22:35:17,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45fdaceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.66/6.76 [2019-03-28 22:35:17,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:16" (2/5) ... 14.66/6.76 [2019-03-28 22:35:17,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45fdaceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.66/6.76 [2019-03-28 22:35:17,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:17" (3/5) ... 14.66/6.76 [2019-03-28 22:35:17,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45fdaceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.66/6.76 [2019-03-28 22:35:17,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:17" (4/5) ... 14.66/6.76 [2019-03-28 22:35:17,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45fdaceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:17, skipping insertion in model container 14.66/6.76 [2019-03-28 22:35:17,297 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.66/6.76 [2019-03-28 22:35:17,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:17" (5/5) ... 14.66/6.76 [2019-03-28 22:35:17,298 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.66/6.76 [2019-03-28 22:35:17,327 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.66/6.76 [2019-03-28 22:35:17,327 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.66/6.76 [2019-03-28 22:35:17,327 INFO L375 BuchiCegarLoop]: Hoare is true 14.66/6.76 [2019-03-28 22:35:17,327 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.66/6.76 [2019-03-28 22:35:17,328 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.66/6.76 [2019-03-28 22:35:17,328 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.66/6.76 [2019-03-28 22:35:17,328 INFO L379 BuchiCegarLoop]: Difference is false 14.66/6.76 [2019-03-28 22:35:17,328 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.66/6.76 [2019-03-28 22:35:17,328 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.66/6.76 [2019-03-28 22:35:17,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.66/6.76 [2019-03-28 22:35:17,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.66/6.76 [2019-03-28 22:35:17,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.66/6.76 [2019-03-28 22:35:17,351 INFO L119 BuchiIsEmpty]: Starting construction of run 14.66/6.76 [2019-03-28 22:35:17,356 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.66/6.76 [2019-03-28 22:35:17,356 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.66/6.76 [2019-03-28 22:35:17,356 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.66/6.76 [2019-03-28 22:35:17,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.66/6.76 [2019-03-28 22:35:17,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.66/6.76 [2019-03-28 22:35:17,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.66/6.76 [2019-03-28 22:35:17,357 INFO L119 BuchiIsEmpty]: Starting construction of run 14.66/6.76 [2019-03-28 22:35:17,357 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.66/6.76 [2019-03-28 22:35:17,358 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.66/6.76 [2019-03-28 22:35:17,363 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 4#L11-2true 14.66/6.76 [2019-03-28 22:35:17,363 INFO L796 eck$LassoCheckResult]: Loop: 4#L11-2true [26] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_7 (+ v_ULTIMATE.start_main_~j~0_8 1)) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1))) (> v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~j~0_8)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 4#L11-2true 14.66/6.76 [2019-03-28 22:35:17,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:17,369 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 14.66/6.76 [2019-03-28 22:35:17,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:17,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:17,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:17,441 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times 14.66/6.76 [2019-03-28 22:35:17,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:17,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:17,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:17,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1545, now seen corresponding path program 1 times 14.66/6.76 [2019-03-28 22:35:17,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:17,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:17,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:17,520 INFO L216 LassoAnalysis]: Preferences: 14.66/6.76 [2019-03-28 22:35:17,521 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.66/6.76 [2019-03-28 22:35:17,522 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.66/6.76 [2019-03-28 22:35:17,522 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.66/6.76 [2019-03-28 22:35:17,522 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.66/6.76 [2019-03-28 22:35:17,522 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,522 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.66/6.76 [2019-03-28 22:35:17,522 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.66/6.76 [2019-03-28 22:35:17,523 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.66/6.76 [2019-03-28 22:35:17,523 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.66/6.76 [2019-03-28 22:35:17,523 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.66/6.76 [2019-03-28 22:35:17,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,645 INFO L300 LassoAnalysis]: Preprocessing complete. 14.66/6.76 [2019-03-28 22:35:17,645 INFO L412 LassoAnalysis]: Checking for nontermination... 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,653 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:17,653 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:17,686 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:17,686 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: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,693 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:17,693 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:17,721 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:17,721 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: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,726 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:17,726 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,757 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:17,757 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:17,863 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.66/6.76 [2019-03-28 22:35:17,865 INFO L216 LassoAnalysis]: Preferences: 14.66/6.76 [2019-03-28 22:35:17,865 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.66/6.76 [2019-03-28 22:35:17,866 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.66/6.76 [2019-03-28 22:35:17,866 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.66/6.76 [2019-03-28 22:35:17,866 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.66/6.76 [2019-03-28 22:35:17,866 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:17,866 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.66/6.76 [2019-03-28 22:35:17,866 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.66/6.76 [2019-03-28 22:35:17,866 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.66/6.76 [2019-03-28 22:35:17,867 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.66/6.76 [2019-03-28 22:35:17,867 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.66/6.76 [2019-03-28 22:35:17,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:17,959 INFO L300 LassoAnalysis]: Preprocessing complete. 14.66/6.76 [2019-03-28 22:35:17,965 INFO L497 LassoAnalysis]: Using template 'affine'. 14.66/6.76 [2019-03-28 22:35:17,967 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.66/6.76 Termination analysis: LINEAR_WITH_GUESSES 14.66/6.76 Number of strict supporting invariants: 0 14.66/6.76 Number of non-strict supporting invariants: 1 14.66/6.76 Consider only non-deceasing supporting invariants: true 14.66/6.76 Simplify termination arguments: true 14.66/6.76 Simplify supporting invariants: trueOverapproximate stem: false 14.66/6.76 [2019-03-28 22:35:17,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.66/6.76 [2019-03-28 22:35:17,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.66/6.76 [2019-03-28 22:35:17,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.66/6.76 [2019-03-28 22:35:17,969 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.66/6.76 [2019-03-28 22:35:17,974 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.66/6.76 [2019-03-28 22:35:17,974 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.66/6.76 [2019-03-28 22:35:17,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.66/6.76 [2019-03-28 22:35:17,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.66/6.76 Termination analysis: LINEAR_WITH_GUESSES 14.66/6.76 Number of strict supporting invariants: 0 14.66/6.76 Number of non-strict supporting invariants: 1 14.66/6.76 Consider only non-deceasing supporting invariants: true 14.66/6.76 Simplify termination arguments: true 14.66/6.76 Simplify supporting invariants: trueOverapproximate stem: false 14.66/6.76 [2019-03-28 22:35:17,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.66/6.76 [2019-03-28 22:35:17,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.66/6.76 [2019-03-28 22:35:17,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.66/6.76 [2019-03-28 22:35:17,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.66/6.76 [2019-03-28 22:35:17,987 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.66/6.76 [2019-03-28 22:35:17,987 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.66/6.76 [2019-03-28 22:35:17,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.66/6.76 [2019-03-28 22:35:17,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.66/6.76 Termination analysis: LINEAR_WITH_GUESSES 14.66/6.76 Number of strict supporting invariants: 0 14.66/6.76 Number of non-strict supporting invariants: 1 14.66/6.76 Consider only non-deceasing supporting invariants: true 14.66/6.76 Simplify termination arguments: true 14.66/6.76 Simplify supporting invariants: trueOverapproximate stem: false 14.66/6.76 [2019-03-28 22:35:17,996 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.66/6.76 [2019-03-28 22:35:17,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.66/6.76 [2019-03-28 22:35:17,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.66/6.76 [2019-03-28 22:35:17,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.66/6.76 [2019-03-28 22:35:17,997 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.66/6.76 [2019-03-28 22:35:17,998 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.66/6.76 [2019-03-28 22:35:17,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.66/6.76 [2019-03-28 22:35:18,007 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.66/6.76 [2019-03-28 22:35:18,017 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.66/6.76 [2019-03-28 22:35:18,017 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.66/6.76 [2019-03-28 22:35:18,020 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.66/6.76 [2019-03-28 22:35:18,020 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.66/6.76 [2019-03-28 22:35:18,020 INFO L518 LassoAnalysis]: Proved termination. 14.66/6.76 [2019-03-28 22:35:18,021 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.66/6.76 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~i~0 14.66/6.76 Supporting invariants [] 14.66/6.76 [2019-03-28 22:35:18,022 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.66/6.76 [2019-03-28 22:35:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.66/6.76 [2019-03-28 22:35:18,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 14.66/6.76 [2019-03-28 22:35:18,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.66/6.76 [2019-03-28 22:35:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.66/6.76 [2019-03-28 22:35:18,079 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core 14.66/6.76 [2019-03-28 22:35:18,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.66/6.76 [2019-03-28 22:35:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.66/6.76 [2019-03-28 22:35:18,092 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.66/6.76 [2019-03-28 22:35:18,097 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 14.66/6.76 [2019-03-28 22:35:18,099 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 14.66/6.76 [2019-03-28 22:35:18,124 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 6 states and 11 transitions. Complement of second has 4 states. 14.66/6.76 [2019-03-28 22:35:18,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.66/6.76 [2019-03-28 22:35:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.66/6.76 [2019-03-28 22:35:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.66/6.76 [2019-03-28 22:35:18,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. 14.66/6.76 [2019-03-28 22:35:18,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.66/6.76 [2019-03-28 22:35:18,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 14.66/6.76 [2019-03-28 22:35:18,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.66/6.76 [2019-03-28 22:35:18,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.66/6.76 [2019-03-28 22:35:18,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.66/6.76 [2019-03-28 22:35:18,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 11 transitions. 14.66/6.76 [2019-03-28 22:35:18,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.66/6.76 [2019-03-28 22:35:18,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 11 transitions. 14.66/6.76 [2019-03-28 22:35:18,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.66/6.76 [2019-03-28 22:35:18,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.66/6.76 [2019-03-28 22:35:18,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 11 transitions. 14.66/6.76 [2019-03-28 22:35:18,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.66/6.76 [2019-03-28 22:35:18,143 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 11 transitions. 14.66/6.76 [2019-03-28 22:35:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 11 transitions. 14.66/6.76 [2019-03-28 22:35:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.66/6.76 [2019-03-28 22:35:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.66/6.76 [2019-03-28 22:35:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. 14.66/6.76 [2019-03-28 22:35:18,172 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 14.66/6.76 [2019-03-28 22:35:18,172 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 14.66/6.76 [2019-03-28 22:35:18,172 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.66/6.76 [2019-03-28 22:35:18,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 10 transitions. 14.66/6.76 [2019-03-28 22:35:18,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.66/6.76 [2019-03-28 22:35:18,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.66/6.76 [2019-03-28 22:35:18,173 INFO L119 BuchiIsEmpty]: Starting construction of run 14.66/6.76 [2019-03-28 22:35:18,174 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.66/6.76 [2019-03-28 22:35:18,174 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.66/6.76 [2019-03-28 22:35:18,174 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY [18] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 37#L11-2 [27] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_7 (+ v_ULTIMATE.start_main_~j~0_8 1)) (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 38#L11-2 14.66/6.76 [2019-03-28 22:35:18,175 INFO L796 eck$LassoCheckResult]: Loop: 38#L11-2 [27] L11-2-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_7 (+ v_ULTIMATE.start_main_~j~0_8 1)) (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~i~0_7 (+ v_ULTIMATE.start_main_~i~0_8 (- 1)))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 38#L11-2 14.66/6.76 [2019-03-28 22:35:18,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:18,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1546, now seen corresponding path program 1 times 14.66/6.76 [2019-03-28 22:35:18,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:18,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:18,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:18,185 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 14.66/6.76 [2019-03-28 22:35:18,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:18,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:18,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.66/6.76 [2019-03-28 22:35:18,192 INFO L82 PathProgramCache]: Analyzing trace with hash 47953, now seen corresponding path program 2 times 14.66/6.76 [2019-03-28 22:35:18,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.66/6.76 [2019-03-28 22:35:18,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.66/6.76 [2019-03-28 22:35:18,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.66/6.76 [2019-03-28 22:35:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.66/6.76 [2019-03-28 22:35:18,220 INFO L216 LassoAnalysis]: Preferences: 14.66/6.76 [2019-03-28 22:35:18,220 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.66/6.76 [2019-03-28 22:35:18,220 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.66/6.76 [2019-03-28 22:35:18,220 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.66/6.76 [2019-03-28 22:35:18,220 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.66/6.76 [2019-03-28 22:35:18,220 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,221 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.66/6.76 [2019-03-28 22:35:18,221 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.66/6.76 [2019-03-28 22:35:18,221 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.66/6.76 [2019-03-28 22:35:18,221 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.66/6.76 [2019-03-28 22:35:18,221 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.66/6.76 [2019-03-28 22:35:18,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,297 INFO L300 LassoAnalysis]: Preprocessing complete. 14.66/6.76 [2019-03-28 22:35:18,297 INFO L412 LassoAnalysis]: Checking for nontermination... 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,300 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,327 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,327 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,332 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,332 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,359 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,359 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,364 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,364 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,394 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,423 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,423 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=1, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=1, ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-2, ULTIMATE.start_main_~i~0=-2}, {ULTIMATE.start_main_~j~0=2, ULTIMATE.start_main_~i~0=2}, {ULTIMATE.start_main_~j~0=1, ULTIMATE.start_main_~i~0=-1}] Lambdas: [2, 1, 1] Nus: [1, 0] 14.66/6.76 [2019-03-28 22:35:18,463 INFO L216 LassoAnalysis]: Preferences: 14.66/6.76 [2019-03-28 22:35:18,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.66/6.76 [2019-03-28 22:35:18,464 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.66/6.76 [2019-03-28 22:35:18,464 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.66/6.76 [2019-03-28 22:35:18,464 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.66/6.76 [2019-03-28 22:35:18,464 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,464 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.66/6.76 [2019-03-28 22:35:18,464 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.66/6.76 [2019-03-28 22:35:18,465 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 14.66/6.76 [2019-03-28 22:35:18,465 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.66/6.76 [2019-03-28 22:35:18,465 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.66/6.76 [2019-03-28 22:35:18,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.66/6.76 [2019-03-28 22:35:18,557 INFO L300 LassoAnalysis]: Preprocessing complete. 14.66/6.76 [2019-03-28 22:35:18,557 INFO L412 LassoAnalysis]: Checking for nontermination... 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,562 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,562 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,567 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,567 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,597 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,597 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,626 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,626 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,632 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,632 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,636 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,636 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,666 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,669 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,670 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,698 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,698 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,726 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,726 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,731 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,731 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.66/6.76 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.66/6.76 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.66/6.76 [2019-03-28 22:35:18,764 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.66/6.76 [2019-03-28 22:35:18,764 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.66/6.76 [2019-03-28 22:35:18,796 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.66/6.76 [2019-03-28 22:35:18,796 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-8, ULTIMATE.start_main_~j~0=-8}, {ULTIMATE.start_main_~i~0=7, ULTIMATE.start_main_~j~0=7}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=2}] Lambdas: [1, 1, 1] Nus: [0, 0] 14.66/6.76 [2019-03-28 22:35:18,831 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,832 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,833 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,834 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,835 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,835 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,836 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:18 BasicIcfg 14.66/6.76 [2019-03-28 22:35:18,849 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.66/6.76 [2019-03-28 22:35:18,849 INFO L168 Benchmark]: Toolchain (without parser) took 2318.60 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 559.6 MB in the beginning and 454.9 MB in the end (delta: 104.7 MB). Peak memory consumption was 131.4 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,852 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.32 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 548.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.00 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 548.9 MB in the beginning and 644.1 MB in the end (delta: -95.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,854 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 ms. Allocated memory is still 676.3 MB. Free memory was 644.1 MB in the beginning and 641.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,854 INFO L168 Benchmark]: RCFGBuilder took 177.31 ms. Allocated memory is still 676.3 MB. Free memory was 641.0 MB in the beginning and 628.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,855 INFO L168 Benchmark]: BlockEncodingV2 took 76.64 ms. Allocated memory is still 676.3 MB. Free memory was 628.0 MB in the beginning and 621.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,856 INFO L168 Benchmark]: TraceAbstraction took 158.30 ms. Allocated memory is still 676.3 MB. Free memory was 621.6 MB in the beginning and 613.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,856 INFO L168 Benchmark]: BuchiAutomizer took 1559.77 ms. Allocated memory is still 676.3 MB. Free memory was 613.4 MB in the beginning and 454.9 MB in the end (delta: 158.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 50.3 GB. 14.66/6.76 [2019-03-28 22:35:18,860 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.66/6.76 --- Results --- 14.66/6.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.66/6.76 - StatisticsResult: Initial Icfg 14.66/6.76 6 locations, 7 edges 14.66/6.76 - StatisticsResult: Encoded RCFG 14.66/6.76 2 locations, 3 edges 14.66/6.76 * Results from de.uni_freiburg.informatik.ultimate.core: 14.66/6.76 - StatisticsResult: Toolchain Benchmarks 14.66/6.76 Benchmark results are: 14.66/6.76 * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.66/6.76 * CACSL2BoogieTranslator took 228.32 ms. Allocated memory is still 649.6 MB. Free memory was 559.6 MB in the beginning and 548.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 50.3 GB. 14.66/6.76 * Boogie Procedure Inliner took 93.00 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 548.9 MB in the beginning and 644.1 MB in the end (delta: -95.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 14.66/6.76 * Boogie Preprocessor took 19.57 ms. Allocated memory is still 676.3 MB. Free memory was 644.1 MB in the beginning and 641.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.66/6.76 * RCFGBuilder took 177.31 ms. Allocated memory is still 676.3 MB. Free memory was 641.0 MB in the beginning and 628.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 14.66/6.76 * BlockEncodingV2 took 76.64 ms. Allocated memory is still 676.3 MB. Free memory was 628.0 MB in the beginning and 621.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 14.66/6.76 * TraceAbstraction took 158.30 ms. Allocated memory is still 676.3 MB. Free memory was 621.6 MB in the beginning and 613.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.66/6.76 * BuchiAutomizer took 1559.77 ms. Allocated memory is still 676.3 MB. Free memory was 613.4 MB in the beginning and 454.9 MB in the end (delta: 158.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 50.3 GB. 14.66/6.76 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 - GenericResult: Unfinished Backtranslation 14.66/6.76 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.66/6.76 - AllSpecificationsHoldResult: All specifications hold 14.66/6.76 We were not able to verify any specifiation because the program does not contain any specification. 14.66/6.76 - InvariantResult [Line: 11]: Loop Invariant 14.66/6.76 Derived loop invariant: 1 14.66/6.76 - StatisticsResult: Ultimate Automizer benchmark data 14.66/6.76 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 14.66/6.76 - StatisticsResult: Constructed decomposition of program 14.66/6.76 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -1 * j + i and consists of 3 locations. The remainder module has 5 locations. 14.66/6.76 - StatisticsResult: Timing statistics 14.66/6.76 BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax177 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq175 hnf92 smp100 dnf100 smp100 tf106 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.66/6.76 - TerminationAnalysisResult: Nontermination possible 14.66/6.76 Buchi Automizer proved that your program is nonterminating for some inputs 14.66/6.76 - GeometricNonTerminationArgumentResult [Line: 11]: Nontermination argument in form of an infinite program execution. 14.66/6.76 [2019-03-28 22:35:18,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,873 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,874 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,875 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,875 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,876 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,877 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 [2019-03-28 22:35:18,877 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 14.66/6.76 [2019-03-28 22:35:18,877 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 14.66/6.76 Nontermination argument in form of an infinite execution 14.66/6.76 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~j~0=0, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~false=0} 14.66/6.76 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5016174f=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5ee279=0, ~unnamed0~0~false=0, i=0, j=7} 14.66/6.76 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5016174f=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5ee279=0, ~unnamed0~0~false=0, i=-1, j=8} 14.66/6.76 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5016174f=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5ee279=0, ~unnamed0~0~false=0, i=-2, j=9} 14.66/6.76 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5016174f=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5ee279=0, ~unnamed0~0~false=0, i=-3, j=10} 14.66/6.76 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5016174f=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5ee279=0, ~unnamed0~0~false=0, i=-4, j=11} 14.66/6.76 - StatisticsResult: NonterminationArgumentStatistics 14.66/6.76 Unbounded Execution 3GEVs Lambdas: [1, 1, 1] Mus: [0, 0] 14.66/6.76 - NonterminatingLassoResult [Line: 11]: Nonterminating execution 14.66/6.76 Found a nonterminating execution for the following lasso shaped sequence of statements. 14.66/6.76 Stem: 14.66/6.76 [L6] int i; 14.66/6.76 [L7] int j; 14.66/6.76 [L8] i = __VERIFIER_nondet_int() 14.66/6.76 [L9] j = __VERIFIER_nondet_int() 14.66/6.76 [L11] COND TRUE i != j 14.66/6.76 [L12] i = i-1 14.66/6.76 [L13] j = j+1 14.66/6.76 Loop: 14.66/6.76 [L11] COND TRUE i != j 14.66/6.76 [L12] i = i-1 14.66/6.76 [L13] j = j+1 14.66/6.76 End of lasso representation. 14.66/6.76 RESULT: Ultimate proved your program to be incorrect! 14.66/6.76 !SESSION 2019-03-28 22:35:13.246 ----------------------------------------------- 14.66/6.76 eclipse.buildId=unknown 14.66/6.76 java.version=1.8.0_181 14.66/6.76 java.vendor=Oracle Corporation 14.66/6.76 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.66/6.76 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.66/6.76 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 14.66/6.76 14.66/6.76 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:35:19.104 14.66/6.76 !MESSAGE The workspace will exit with unsaved changes in this session. 14.66/6.76 Received shutdown request... 14.66/6.76 Ultimate: 14.66/6.76 GTK+ Version Check 14.66/6.76 EOF