12.54/6.19 YES 12.54/6.19 12.54/6.19 Ultimate: Cannot open display: 12.54/6.19 This is Ultimate 0.1.24-8dc7c08-m 12.54/6.19 [2019-03-28 12:33:30,528 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.54/6.19 [2019-03-28 12:33:30,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.54/6.19 [2019-03-28 12:33:30,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.54/6.19 [2019-03-28 12:33:30,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.54/6.19 [2019-03-28 12:33:30,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.54/6.19 [2019-03-28 12:33:30,545 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.54/6.19 [2019-03-28 12:33:30,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.54/6.19 [2019-03-28 12:33:30,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.54/6.19 [2019-03-28 12:33:30,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.54/6.19 [2019-03-28 12:33:30,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.54/6.19 [2019-03-28 12:33:30,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.54/6.19 [2019-03-28 12:33:30,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.54/6.19 [2019-03-28 12:33:30,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.54/6.19 [2019-03-28 12:33:30,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.54/6.19 [2019-03-28 12:33:30,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.54/6.19 [2019-03-28 12:33:30,557 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.54/6.19 [2019-03-28 12:33:30,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.54/6.19 [2019-03-28 12:33:30,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.54/6.19 [2019-03-28 12:33:30,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.54/6.19 [2019-03-28 12:33:30,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.54/6.19 [2019-03-28 12:33:30,564 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.54/6.19 [2019-03-28 12:33:30,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.54/6.19 [2019-03-28 12:33:30,565 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.54/6.19 [2019-03-28 12:33:30,566 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.54/6.19 [2019-03-28 12:33:30,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.54/6.19 [2019-03-28 12:33:30,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.54/6.19 [2019-03-28 12:33:30,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.54/6.19 [2019-03-28 12:33:30,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.54/6.19 [2019-03-28 12:33:30,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.54/6.19 [2019-03-28 12:33:30,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.54/6.19 [2019-03-28 12:33:30,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.54/6.19 [2019-03-28 12:33:30,571 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.54/6.19 [2019-03-28 12:33:30,586 INFO L110 SettingsManager]: Loading preferences was successful 12.54/6.19 [2019-03-28 12:33:30,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.54/6.19 [2019-03-28 12:33:30,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.54/6.19 [2019-03-28 12:33:30,587 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.54/6.19 [2019-03-28 12:33:30,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.54/6.19 [2019-03-28 12:33:30,588 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.54/6.19 [2019-03-28 12:33:30,588 INFO L133 SettingsManager]: * Use SBE=true 12.54/6.19 [2019-03-28 12:33:30,588 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.54/6.19 [2019-03-28 12:33:30,588 INFO L133 SettingsManager]: * Use old map elimination=false 12.54/6.19 [2019-03-28 12:33:30,588 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.54/6.19 [2019-03-28 12:33:30,588 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.54/6.19 [2019-03-28 12:33:30,589 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.54/6.19 [2019-03-28 12:33:30,589 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.54/6.19 [2019-03-28 12:33:30,589 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.54/6.19 [2019-03-28 12:33:30,589 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:30,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.54/6.19 [2019-03-28 12:33:30,589 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.54/6.19 [2019-03-28 12:33:30,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.54/6.19 [2019-03-28 12:33:30,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.54/6.19 [2019-03-28 12:33:30,590 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.54/6.19 [2019-03-28 12:33:30,590 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.54/6.19 [2019-03-28 12:33:30,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.54/6.19 [2019-03-28 12:33:30,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.54/6.19 [2019-03-28 12:33:30,591 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.54/6.19 [2019-03-28 12:33:30,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.54/6.19 [2019-03-28 12:33:30,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.54/6.19 [2019-03-28 12:33:30,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.54/6.19 [2019-03-28 12:33:30,591 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.54/6.19 [2019-03-28 12:33:30,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.54/6.19 [2019-03-28 12:33:30,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.54/6.19 [2019-03-28 12:33:30,630 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.54/6.19 [2019-03-28 12:33:30,633 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.54/6.19 [2019-03-28 12:33:30,635 INFO L271 PluginConnector]: Initializing CDTParser... 12.54/6.19 [2019-03-28 12:33:30,635 INFO L276 PluginConnector]: CDTParser initialized 12.54/6.19 [2019-03-28 12:33:30,636 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.54/6.19 [2019-03-28 12:33:30,706 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/c0e4ef9719094260acaabd6106183552/FLAGd521d33d1 12.54/6.19 [2019-03-28 12:33:31,044 INFO L307 CDTParser]: Found 1 translation units. 12.54/6.19 [2019-03-28 12:33:31,045 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.54/6.19 [2019-03-28 12:33:31,052 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/c0e4ef9719094260acaabd6106183552/FLAGd521d33d1 12.54/6.19 [2019-03-28 12:33:31,459 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/c0e4ef9719094260acaabd6106183552 12.54/6.19 [2019-03-28 12:33:31,470 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.54/6.19 [2019-03-28 12:33:31,472 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.54/6.19 [2019-03-28 12:33:31,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.54/6.19 [2019-03-28 12:33:31,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.54/6.19 [2019-03-28 12:33:31,476 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.54/6.19 [2019-03-28 12:33:31,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b00aa81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:31,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.54/6.19 [2019-03-28 12:33:31,507 INFO L176 MainTranslator]: Built tables and reachable declarations 12.54/6.19 [2019-03-28 12:33:31,665 INFO L206 PostProcessor]: Analyzing one entry point: main 12.54/6.19 [2019-03-28 12:33:31,670 INFO L191 MainTranslator]: Completed pre-run 12.54/6.19 [2019-03-28 12:33:31,685 INFO L206 PostProcessor]: Analyzing one entry point: main 12.54/6.19 [2019-03-28 12:33:31,764 INFO L195 MainTranslator]: Completed translation 12.54/6.19 [2019-03-28 12:33:31,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31 WrapperNode 12.54/6.19 [2019-03-28 12:33:31,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.54/6.19 [2019-03-28 12:33:31,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.54/6.19 [2019-03-28 12:33:31,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.54/6.19 [2019-03-28 12:33:31,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.54/6.19 [2019-03-28 12:33:31,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.54/6.19 [2019-03-28 12:33:31,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.54/6.19 [2019-03-28 12:33:31,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.54/6.19 [2019-03-28 12:33:31,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.54/6.19 [2019-03-28 12:33:31,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 [2019-03-28 12:33:31,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.54/6.19 [2019-03-28 12:33:31,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.54/6.19 [2019-03-28 12:33:31,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.54/6.19 [2019-03-28 12:33:31,823 INFO L276 PluginConnector]: RCFGBuilder initialized 12.54/6.19 [2019-03-28 12:33:31,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (1/1) ... 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.54/6.19 [2019-03-28 12:33:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.54/6.19 [2019-03-28 12:33:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.54/6.19 [2019-03-28 12:33:32,017 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.54/6.19 [2019-03-28 12:33:32,017 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.54/6.19 [2019-03-28 12:33:32,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:32 BoogieIcfgContainer 12.54/6.19 [2019-03-28 12:33:32,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.54/6.19 [2019-03-28 12:33:32,019 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.54/6.19 [2019-03-28 12:33:32,019 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.54/6.19 [2019-03-28 12:33:32,022 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.54/6.19 [2019-03-28 12:33:32,023 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:32" (1/1) ... 12.54/6.19 [2019-03-28 12:33:32,038 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 12.54/6.19 [2019-03-28 12:33:32,040 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.54/6.19 [2019-03-28 12:33:32,040 INFO L263 BlockEncoder]: Using Maximize final states 12.54/6.19 [2019-03-28 12:33:32,041 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.54/6.19 [2019-03-28 12:33:32,041 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.54/6.19 [2019-03-28 12:33:32,043 INFO L296 BlockEncoder]: Using Remove sink states 12.54/6.19 [2019-03-28 12:33:32,044 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.54/6.19 [2019-03-28 12:33:32,045 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.54/6.19 [2019-03-28 12:33:32,060 INFO L185 BlockEncoder]: Using Use SBE 12.54/6.19 [2019-03-28 12:33:32,075 INFO L200 BlockEncoder]: SBE split 1 edges 12.54/6.19 [2019-03-28 12:33:32,080 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.54/6.19 [2019-03-28 12:33:32,082 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.54/6.19 [2019-03-28 12:33:32,093 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 12.54/6.19 [2019-03-28 12:33:32,095 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 12.54/6.19 [2019-03-28 12:33:32,097 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.54/6.19 [2019-03-28 12:33:32,097 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.54/6.19 [2019-03-28 12:33:32,101 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 12.54/6.19 [2019-03-28 12:33:32,102 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.54/6.19 [2019-03-28 12:33:32,102 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.54/6.19 [2019-03-28 12:33:32,102 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.54/6.19 [2019-03-28 12:33:32,102 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.54/6.19 [2019-03-28 12:33:32,103 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.54/6.19 [2019-03-28 12:33:32,103 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 12.54/6.19 [2019-03-28 12:33:32,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:32 BasicIcfg 12.54/6.19 [2019-03-28 12:33:32,104 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.54/6.19 [2019-03-28 12:33:32,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.54/6.19 [2019-03-28 12:33:32,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.54/6.19 [2019-03-28 12:33:32,108 INFO L276 PluginConnector]: TraceAbstraction initialized 12.54/6.19 [2019-03-28 12:33:32,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:33:31" (1/4) ... 12.54/6.19 [2019-03-28 12:33:32,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2870bea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (2/4) ... 12.54/6.19 [2019-03-28 12:33:32,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2870bea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:32" (3/4) ... 12.54/6.19 [2019-03-28 12:33:32,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2870bea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:32" (4/4) ... 12.54/6.19 [2019-03-28 12:33:32,113 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.54/6.19 [2019-03-28 12:33:32,123 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.54/6.19 [2019-03-28 12:33:32,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.54/6.19 [2019-03-28 12:33:32,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.54/6.19 [2019-03-28 12:33:32,176 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.54/6.19 [2019-03-28 12:33:32,177 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.54/6.19 [2019-03-28 12:33:32,177 INFO L383 AbstractCegarLoop]: Hoare is true 12.54/6.19 [2019-03-28 12:33:32,178 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.54/6.19 [2019-03-28 12:33:32,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.54/6.19 [2019-03-28 12:33:32,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.54/6.19 [2019-03-28 12:33:32,178 INFO L387 AbstractCegarLoop]: Difference is false 12.54/6.19 [2019-03-28 12:33:32,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.54/6.19 [2019-03-28 12:33:32,178 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.54/6.19 [2019-03-28 12:33:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 12.54/6.19 [2019-03-28 12:33:32,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.54/6.19 [2019-03-28 12:33:32,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 12.54/6.19 [2019-03-28 12:33:32,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.54/6.19 [2019-03-28 12:33:32,251 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 20 22) the Hoare annotation is: true 12.54/6.19 [2019-03-28 12:33:32,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:32 BasicIcfg 12.54/6.19 [2019-03-28 12:33:32,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.54/6.19 [2019-03-28 12:33:32,259 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.54/6.19 [2019-03-28 12:33:32,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.54/6.19 [2019-03-28 12:33:32,263 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.54/6.19 [2019-03-28 12:33:32,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.54/6.19 [2019-03-28 12:33:32,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:33:31" (1/5) ... 12.54/6.19 [2019-03-28 12:33:32,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de520aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.54/6.19 [2019-03-28 12:33:32,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:33:31" (2/5) ... 12.54/6.19 [2019-03-28 12:33:32,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de520aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.54/6.19 [2019-03-28 12:33:32,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:33:32" (3/5) ... 12.54/6.19 [2019-03-28 12:33:32,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de520aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.54/6.19 [2019-03-28 12:33:32,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:33:32" (4/5) ... 12.54/6.19 [2019-03-28 12:33:32,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de520aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:32, skipping insertion in model container 12.54/6.19 [2019-03-28 12:33:32,267 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.54/6.19 [2019-03-28 12:33:32,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:33:32" (5/5) ... 12.54/6.19 [2019-03-28 12:33:32,269 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.54/6.19 [2019-03-28 12:33:32,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.54/6.19 [2019-03-28 12:33:32,296 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.54/6.19 [2019-03-28 12:33:32,296 INFO L375 BuchiCegarLoop]: Hoare is true 12.54/6.19 [2019-03-28 12:33:32,297 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.54/6.19 [2019-03-28 12:33:32,297 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.54/6.19 [2019-03-28 12:33:32,297 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.54/6.19 [2019-03-28 12:33:32,297 INFO L379 BuchiCegarLoop]: Difference is false 12.54/6.19 [2019-03-28 12:33:32,298 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.54/6.19 [2019-03-28 12:33:32,298 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.54/6.19 [2019-03-28 12:33:32,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.54/6.19 [2019-03-28 12:33:32,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.54/6.19 [2019-03-28 12:33:32,318 INFO L119 BuchiIsEmpty]: Starting construction of run 12.54/6.19 [2019-03-28 12:33:32,323 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.54/6.19 [2019-03-28 12:33:32,324 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.54/6.19 [2019-03-28 12:33:32,324 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.54/6.19 [2019-03-28 12:33:32,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 12.54/6.19 [2019-03-28 12:33:32,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.54/6.19 [2019-03-28 12:33:32,325 INFO L119 BuchiIsEmpty]: Starting construction of run 12.54/6.19 [2019-03-28 12:33:32,325 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.54/6.19 [2019-03-28 12:33:32,325 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.54/6.19 [2019-03-28 12:33:32,330 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [38] ULTIMATE.startENTRY-->L20-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 4#L20-2true 12.54/6.19 [2019-03-28 12:33:32,330 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [34] L20-2-->L20-2: Formula: (and (> 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L20-2true 12.54/6.19 [2019-03-28 12:33:32,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,336 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,403 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2173, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.54/6.19 [2019-03-28 12:33:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.54/6.19 [2019-03-28 12:33:32,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.54/6.19 [2019-03-28 12:33:32,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 12.54/6.19 [2019-03-28 12:33:32,494 INFO L216 LassoAnalysis]: Preferences: 12.54/6.19 [2019-03-28 12:33:32,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.54/6.19 [2019-03-28 12:33:32,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.54/6.19 [2019-03-28 12:33:32,496 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.54/6.19 [2019-03-28 12:33:32,496 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.54/6.19 [2019-03-28 12:33:32,496 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.54/6.19 [2019-03-28 12:33:32,496 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.54/6.19 [2019-03-28 12:33:32,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.54/6.19 [2019-03-28 12:33:32,497 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.54/6.19 [2019-03-28 12:33:32,497 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.54/6.19 [2019-03-28 12:33:32,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.54/6.19 [2019-03-28 12:33:32,563 INFO L300 LassoAnalysis]: Preprocessing complete. 12.54/6.19 [2019-03-28 12:33:32,564 INFO L412 LassoAnalysis]: Checking for nontermination... 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,572 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:32,573 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:32,607 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 [2019-03-28 12:33:32,630 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.54/6.19 [2019-03-28 12:33:32,630 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 12.54/6.19 [2019-03-28 12:33:32,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 12.54/6.19 [2019-03-28 12:33:32,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 12.54/6.19 [2019-03-28 12:33:32,673 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 3 states. 12.54/6.19 [2019-03-28 12:33:32,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.54/6.19 [2019-03-28 12:33:32,692 INFO L93 Difference]: Finished difference Result 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 12.54/6.19 [2019-03-28 12:33:32,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 12.54/6.19 [2019-03-28 12:33:32,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 12.54/6.19 [2019-03-28 12:33:32,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.54/6.19 [2019-03-28 12:33:32,702 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. 12.54/6.19 [2019-03-28 12:33:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 12.54/6.19 [2019-03-28 12:33:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,731 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,731 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,731 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.54/6.19 [2019-03-28 12:33:32,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. 12.54/6.19 [2019-03-28 12:33:32,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.54/6.19 [2019-03-28 12:33:32,732 INFO L119 BuchiIsEmpty]: Starting construction of run 12.54/6.19 [2019-03-28 12:33:32,732 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 12.54/6.19 [2019-03-28 12:33:32,732 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.54/6.19 [2019-03-28 12:33:32,733 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRY [38] ULTIMATE.startENTRY-->L20-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 17#L20-2 [35] L20-2-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L20-2 12.54/6.19 [2019-03-28 12:33:32,733 INFO L796 eck$LassoCheckResult]: Loop: 18#L20-2 [34] L20-2-->L20-2: Formula: (and (> 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 18#L20-2 12.54/6.19 [2019-03-28 12:33:32,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2174, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,740 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 2 times 12.54/6.19 [2019-03-28 12:33:32,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,746 INFO L82 PathProgramCache]: Analyzing trace with hash 67428, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,747 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.54/6.19 [2019-03-28 12:33:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.54/6.19 [2019-03-28 12:33:32,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 12.54/6.19 [2019-03-28 12:33:32,767 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 12.54/6.19 [2019-03-28 12:33:32,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.54/6.19 [2019-03-28 12:33:32,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 12.54/6.19 [2019-03-28 12:33:32,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.54/6.19 [2019-03-28 12:33:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.54/6.19 [2019-03-28 12:33:32,838 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. 12.54/6.19 [2019-03-28 12:33:32,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 12.54/6.19 [2019-03-28 12:33:32,850 INFO L216 LassoAnalysis]: Preferences: 12.54/6.19 [2019-03-28 12:33:32,851 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.54/6.19 [2019-03-28 12:33:32,851 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.54/6.19 [2019-03-28 12:33:32,851 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.54/6.19 [2019-03-28 12:33:32,851 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.54/6.19 [2019-03-28 12:33:32,851 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,851 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.54/6.19 [2019-03-28 12:33:32,852 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.54/6.19 [2019-03-28 12:33:32,852 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 12.54/6.19 [2019-03-28 12:33:32,852 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.54/6.19 [2019-03-28 12:33:32,852 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.54/6.19 [2019-03-28 12:33:32,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.54/6.19 [2019-03-28 12:33:32,887 INFO L300 LassoAnalysis]: Preprocessing complete. 12.54/6.19 [2019-03-28 12:33:32,888 INFO L412 LassoAnalysis]: Checking for nontermination... 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,895 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:32,895 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:32,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:32,927 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 [2019-03-28 12:33:32,947 INFO L445 LassoAnalysis]: Proved nontermination for one component. 12.54/6.19 [2019-03-28 12:33:32,947 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 12, 0] Nus: [0, 0] 12.54/6.19 [2019-03-28 12:33:32,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 12.54/6.19 [2019-03-28 12:33:32,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 12.54/6.19 [2019-03-28 12:33:32,973 INFO L87 Difference]: Start difference. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 4 states. 12.54/6.19 [2019-03-28 12:33:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.54/6.19 [2019-03-28 12:33:32,985 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 12.54/6.19 [2019-03-28 12:33:32,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 12.54/6.19 [2019-03-28 12:33:32,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 12.54/6.19 [2019-03-28 12:33:32,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.54/6.19 [2019-03-28 12:33:32,988 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. 12.54/6.19 [2019-03-28 12:33:32,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 2. 12.54/6.19 [2019-03-28 12:33:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.54/6.19 [2019-03-28 12:33:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. 12.54/6.19 [2019-03-28 12:33:32,989 INFO L729 BuchiCegarLoop]: Abstraction has 2 states and 2 transitions. 12.54/6.19 [2019-03-28 12:33:32,989 INFO L609 BuchiCegarLoop]: Abstraction has 2 states and 2 transitions. 12.54/6.19 [2019-03-28 12:33:32,989 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 12.54/6.19 [2019-03-28 12:33:32,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states and 2 transitions. 12.54/6.19 [2019-03-28 12:33:32,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 12.54/6.19 [2019-03-28 12:33:32,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.54/6.19 [2019-03-28 12:33:32,990 INFO L119 BuchiIsEmpty]: Starting construction of run 12.54/6.19 [2019-03-28 12:33:32,990 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.54/6.19 [2019-03-28 12:33:32,990 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 12.54/6.19 [2019-03-28 12:33:32,991 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [38] ULTIMATE.startENTRY-->L20-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0] 38#L20-2 12.54/6.19 [2019-03-28 12:33:32,991 INFO L796 eck$LassoCheckResult]: Loop: 38#L20-2 [35] L20-2-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 38#L20-2 12.54/6.19 [2019-03-28 12:33:32,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,991 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 2 times 12.54/6.19 [2019-03-28 12:33:32,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:32,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:32,996 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 12.54/6.19 [2019-03-28 12:33:32,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:32,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:32,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,997 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:33,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:33,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2174, now seen corresponding path program 2 times 12.54/6.19 [2019-03-28 12:33:33,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.54/6.19 [2019-03-28 12:33:33,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.54/6.19 [2019-03-28 12:33:33,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:33,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:33,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.54/6.19 [2019-03-28 12:33:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.54/6.19 [2019-03-28 12:33:33,020 INFO L216 LassoAnalysis]: Preferences: 12.54/6.19 [2019-03-28 12:33:33,021 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.54/6.19 [2019-03-28 12:33:33,021 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.54/6.19 [2019-03-28 12:33:33,021 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.54/6.19 [2019-03-28 12:33:33,021 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.54/6.19 [2019-03-28 12:33:33,021 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:33,021 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.54/6.19 [2019-03-28 12:33:33,022 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.54/6.19 [2019-03-28 12:33:33,022 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 12.54/6.19 [2019-03-28 12:33:33,022 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.54/6.19 [2019-03-28 12:33:33,022 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.54/6.19 [2019-03-28 12:33:33,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.54/6.19 [2019-03-28 12:33:33,070 INFO L300 LassoAnalysis]: Preprocessing complete. 12.54/6.19 [2019-03-28 12:33:33,070 INFO L412 LassoAnalysis]: Checking for nontermination... 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:33,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:33,141 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.54/6.19 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.54/6.19 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:33,172 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.54/6.19 [2019-03-28 12:33:33,172 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.54/6.19 [2019-03-28 12:33:33,202 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.54/6.19 [2019-03-28 12:33:33,204 INFO L216 LassoAnalysis]: Preferences: 12.54/6.19 [2019-03-28 12:33:33,205 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.54/6.19 [2019-03-28 12:33:33,205 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.54/6.19 [2019-03-28 12:33:33,205 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.54/6.19 [2019-03-28 12:33:33,205 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.54/6.19 [2019-03-28 12:33:33,205 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.54/6.19 [2019-03-28 12:33:33,205 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.54/6.19 [2019-03-28 12:33:33,205 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.54/6.19 [2019-03-28 12:33:33,205 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 12.54/6.19 [2019-03-28 12:33:33,206 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.54/6.19 [2019-03-28 12:33:33,206 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.54/6.19 [2019-03-28 12:33:33,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.54/6.19 [2019-03-28 12:33:33,247 INFO L300 LassoAnalysis]: Preprocessing complete. 12.54/6.19 [2019-03-28 12:33:33,253 INFO L497 LassoAnalysis]: Using template 'affine'. 12.54/6.19 [2019-03-28 12:33:33,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.54/6.19 Termination analysis: LINEAR_WITH_GUESSES 12.54/6.19 Number of strict supporting invariants: 0 12.54/6.19 Number of non-strict supporting invariants: 1 12.54/6.19 Consider only non-deceasing supporting invariants: true 12.54/6.19 Simplify termination arguments: true 12.54/6.19 Simplify supporting invariants: trueOverapproximate stem: false 12.54/6.19 [2019-03-28 12:33:33,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.54/6.19 [2019-03-28 12:33:33,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.54/6.19 [2019-03-28 12:33:33,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.54/6.19 [2019-03-28 12:33:33,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.54/6.19 [2019-03-28 12:33:33,258 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.54/6.19 [2019-03-28 12:33:33,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.54/6.19 [2019-03-28 12:33:33,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.54/6.19 [2019-03-28 12:33:33,266 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.54/6.19 [2019-03-28 12:33:33,270 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.54/6.19 [2019-03-28 12:33:33,270 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 12.54/6.19 [2019-03-28 12:33:33,272 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.54/6.19 [2019-03-28 12:33:33,273 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.54/6.19 [2019-03-28 12:33:33,273 INFO L518 LassoAnalysis]: Proved termination. 12.54/6.19 [2019-03-28 12:33:33,274 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.54/6.19 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 12.54/6.19 Supporting invariants [] 12.54/6.19 [2019-03-28 12:33:33,275 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.54/6.19 [2019-03-28 12:33:33,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.54/6.19 [2019-03-28 12:33:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.54/6.19 [2019-03-28 12:33:33,296 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core 12.54/6.19 [2019-03-28 12:33:33,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.54/6.19 [2019-03-28 12:33:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.54/6.19 [2019-03-28 12:33:33,301 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core 12.54/6.19 [2019-03-28 12:33:33,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.54/6.19 [2019-03-28 12:33:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.54/6.19 [2019-03-28 12:33:33,304 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 12.54/6.20 [2019-03-28 12:33:33,306 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 12.54/6.20 [2019-03-28 12:33:33,307 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states and 2 transitions. cyclomatic complexity: 1 Second operand 2 states. 12.54/6.20 [2019-03-28 12:33:33,320 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states and 2 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 12.54/6.20 [2019-03-28 12:33:33,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 12.54/6.20 [2019-03-28 12:33:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 12.54/6.20 [2019-03-28 12:33:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 12.54/6.20 [2019-03-28 12:33:33,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 12.54/6.20 [2019-03-28 12:33:33,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.54/6.20 [2019-03-28 12:33:33,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 12.54/6.20 [2019-03-28 12:33:33,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.54/6.20 [2019-03-28 12:33:33,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 12.54/6.20 [2019-03-28 12:33:33,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.54/6.20 [2019-03-28 12:33:33,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 12.54/6.20 [2019-03-28 12:33:33,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.54/6.20 [2019-03-28 12:33:33,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.54/6.20 [2019-03-28 12:33:33,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.54/6.20 [2019-03-28 12:33:33,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.54/6.20 [2019-03-28 12:33:33,329 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,329 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,329 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,329 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 12.54/6.20 [2019-03-28 12:33:33,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.54/6.20 [2019-03-28 12:33:33,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.54/6.20 [2019-03-28 12:33:33,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.54/6.20 [2019-03-28 12:33:33,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:33:33 BasicIcfg 12.54/6.20 [2019-03-28 12:33:33,335 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.54/6.20 [2019-03-28 12:33:33,336 INFO L168 Benchmark]: Toolchain (without parser) took 1865.21 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 563.8 MB in the beginning and 515.5 MB in the end (delta: 48.3 MB). Peak memory consumption was 68.2 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,337 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.36 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 563.8 MB in the beginning and 636.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.74 ms. Allocated memory is still 669.5 MB. Free memory was 636.0 MB in the beginning and 634.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,339 INFO L168 Benchmark]: Boogie Preprocessor took 19.76 ms. Allocated memory is still 669.5 MB. Free memory was 634.6 MB in the beginning and 631.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,340 INFO L168 Benchmark]: RCFGBuilder took 196.17 ms. Allocated memory is still 669.5 MB. Free memory was 631.5 MB in the beginning and 619.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,340 INFO L168 Benchmark]: BlockEncodingV2 took 84.73 ms. Allocated memory is still 669.5 MB. Free memory was 618.6 MB in the beginning and 613.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,341 INFO L168 Benchmark]: TraceAbstraction took 154.38 ms. Allocated memory is still 669.5 MB. Free memory was 612.1 MB in the beginning and 604.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,342 INFO L168 Benchmark]: BuchiAutomizer took 1075.83 ms. Allocated memory is still 669.5 MB. Free memory was 604.0 MB in the beginning and 515.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 50.3 GB. 12.54/6.20 [2019-03-28 12:33:33,346 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.54/6.20 --- Results --- 12.54/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.54/6.20 - StatisticsResult: Initial Icfg 12.54/6.20 7 locations, 9 edges 12.54/6.20 - StatisticsResult: Encoded RCFG 12.54/6.20 2 locations, 3 edges 12.54/6.20 * Results from de.uni_freiburg.informatik.ultimate.core: 12.54/6.20 - StatisticsResult: Toolchain Benchmarks 12.54/6.20 Benchmark results are: 12.54/6.20 * CDTParser took 0.21 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.54/6.20 * CACSL2BoogieTranslator took 292.36 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 563.8 MB in the beginning and 636.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 12.54/6.20 * Boogie Procedure Inliner took 36.74 ms. Allocated memory is still 669.5 MB. Free memory was 636.0 MB in the beginning and 634.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 12.54/6.20 * Boogie Preprocessor took 19.76 ms. Allocated memory is still 669.5 MB. Free memory was 634.6 MB in the beginning and 631.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.54/6.20 * RCFGBuilder took 196.17 ms. Allocated memory is still 669.5 MB. Free memory was 631.5 MB in the beginning and 619.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 50.3 GB. 12.54/6.20 * BlockEncodingV2 took 84.73 ms. Allocated memory is still 669.5 MB. Free memory was 618.6 MB in the beginning and 613.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 12.54/6.20 * TraceAbstraction took 154.38 ms. Allocated memory is still 669.5 MB. Free memory was 612.1 MB in the beginning and 604.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 12.54/6.20 * BuchiAutomizer took 1075.83 ms. Allocated memory is still 669.5 MB. Free memory was 604.0 MB in the beginning and 515.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 50.3 GB. 12.54/6.20 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.54/6.20 - AllSpecificationsHoldResult: All specifications hold 12.54/6.20 We were not able to verify any specifiation because the program does not contain any specification. 12.54/6.20 - InvariantResult [Line: 20]: Loop Invariant 12.54/6.20 Derived loop invariant: 1 12.54/6.20 - StatisticsResult: Ultimate Automizer benchmark data 12.54/6.20 CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.54/6.20 - StatisticsResult: Constructed decomposition of program 12.54/6.20 Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x and consists of 2 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 12.54/6.20 - StatisticsResult: Timing statistics 12.54/6.20 BüchiAutomizer plugin needed 1.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 12.54/6.20 - TerminationAnalysisResult: Termination proven 12.54/6.20 Buchi Automizer proved that your program is terminating 12.54/6.20 RESULT: Ultimate proved your program to be correct! 12.54/6.20 !SESSION 2019-03-28 12:33:28.245 ----------------------------------------------- 12.54/6.20 eclipse.buildId=unknown 12.54/6.20 java.version=1.8.0_181 12.54/6.20 java.vendor=Oracle Corporation 12.54/6.20 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.54/6.20 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.54/6.20 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.54/6.20 12.54/6.20 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:33:33.576 12.54/6.20 !MESSAGE The workspace will exit with unsaved changes in this session. 12.54/6.20 Received shutdown request... 12.54/6.20 Ultimate: 12.54/6.20 GTK+ Version Check 12.54/6.20 EOF