NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 02:36:38,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 02:36:38,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 02:36:38,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 02:36:38,896 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 02:36:38,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 02:36:38,898 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 02:36:38,900 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 02:36:38,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 02:36:38,902 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 02:36:38,903 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 02:36:38,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 02:36:38,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 02:36:38,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 02:36:38,906 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 02:36:38,907 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 02:36:38,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 02:36:38,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 02:36:38,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 02:36:38,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 02:36:38,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 02:36:38,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 02:36:38,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 02:36:38,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 02:36:38,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 02:36:38,917 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 02:36:38,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 02:36:38,919 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 02:36:38,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 02:36:38,920 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 02:36:38,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 02:36:38,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 02:36:38,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 02:36:38,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 02:36:38,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 02:36:38,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 02:36:38,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 02:36:38,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 02:36:38,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 02:36:38,925 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 02:36:38,940 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 02:36:38,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 02:36:38,942 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 02:36:38,942 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 02:36:38,942 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 02:36:38,942 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:36:38,942 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 02:36:38,943 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 02:36:38,943 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 02:36:38,944 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:38,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 02:36:38,944 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 02:36:38,944 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 02:36:38,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 02:36:38,944 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 02:36:38,945 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 02:36:38,945 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 02:36:38,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 02:36:38,945 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 02:36:38,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:36:38,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 02:36:38,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 02:36:38,946 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 02:36:38,946 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 02:36:38,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 02:36:38,983 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 02:36:38,987 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 02:36:38,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 02:36:38,989 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 02:36:38,990 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:36:39,059 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/0499c5aa31e14de797c0bb7626178a53/FLAG4960d3ecf [2020-06-22 02:36:39,410 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 02:36:39,411 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 02:36:39,417 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/0499c5aa31e14de797c0bb7626178a53/FLAG4960d3ecf [2020-06-22 02:36:39,815 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/0499c5aa31e14de797c0bb7626178a53 [2020-06-22 02:36:39,826 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 02:36:39,828 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 02:36:39,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 02:36:39,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 02:36:39,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 02:36:39,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:36:39" (1/1) ... [2020-06-22 02:36:39,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8fcb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:39, skipping insertion in model container [2020-06-22 02:36:39,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 02:36:39" (1/1) ... [2020-06-22 02:36:39,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 02:36:39,862 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 02:36:40,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:36:40,022 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 02:36:40,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 02:36:40,107 INFO L195 MainTranslator]: Completed translation [2020-06-22 02:36:40,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40 WrapperNode [2020-06-22 02:36:40,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 02:36:40,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 02:36:40,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 02:36:40,109 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 02:36:40,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 02:36:40,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 02:36:40,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 02:36:40,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 02:36:40,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 02:36:40,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 02:36:40,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 02:36:40,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 02:36:40,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 02:36:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 02:36:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 02:36:40,375 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 02:36:40,375 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 02:36:40,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:36:40 BoogieIcfgContainer [2020-06-22 02:36:40,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 02:36:40,377 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 02:36:40,377 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 02:36:40,380 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 02:36:40,380 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:36:40" (1/1) ... [2020-06-22 02:36:40,396 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-22 02:36:40,397 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 02:36:40,398 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 02:36:40,399 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 02:36:40,399 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 02:36:40,401 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 02:36:40,402 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 02:36:40,402 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 02:36:40,418 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 02:36:40,435 INFO L200 BlockEncoder]: SBE split 3 edges [2020-06-22 02:36:40,440 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 02:36:40,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:36:40,452 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 02:36:40,454 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 02:36:40,456 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 02:36:40,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 02:36:40,456 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 02:36:40,457 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 02:36:40,457 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2020-06-22 02:36:40,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:36:40 BasicIcfg [2020-06-22 02:36:40,457 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 02:36:40,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 02:36:40,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 02:36:40,462 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 02:36:40,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 02:36:39" (1/4) ... [2020-06-22 02:36:40,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490e587a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (2/4) ... [2020-06-22 02:36:40,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490e587a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:36:40" (3/4) ... [2020-06-22 02:36:40,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490e587a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:36:40" (4/4) ... [2020-06-22 02:36:40,466 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:36:40,478 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 02:36:40,486 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 02:36:40,505 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 02:36:40,535 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:36:40,536 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 02:36:40,536 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 02:36:40,537 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:36:40,537 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:36:40,537 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:36:40,537 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 02:36:40,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:36:40,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 02:36:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2020-06-22 02:36:40,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 02:36:40,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-06-22 02:36:40,612 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2020-06-22 02:36:40,613 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 11 21) the Hoare annotation is: true [2020-06-22 02:36:40,613 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 02:36:40,613 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 20) no Hoare annotation was computed. [2020-06-22 02:36:40,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:36:40 BasicIcfg [2020-06-22 02:36:40,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 02:36:40,622 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 02:36:40,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 02:36:40,626 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 02:36:40,627 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:36:40,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 02:36:39" (1/5) ... [2020-06-22 02:36:40,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e89d210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:36:40,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 02:36:40" (2/5) ... [2020-06-22 02:36:40,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e89d210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,628 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:36:40,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:36:40" (3/5) ... [2020-06-22 02:36:40,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e89d210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:36:40,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 02:36:40" (4/5) ... [2020-06-22 02:36:40,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e89d210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:36:40, skipping insertion in model container [2020-06-22 02:36:40,630 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 02:36:40,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:36:40" (5/5) ... [2020-06-22 02:36:40,631 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 02:36:40,658 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 02:36:40,659 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 02:36:40,659 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 02:36:40,659 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 02:36:40,659 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 02:36:40,659 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 02:36:40,659 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 02:36:40,659 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 02:36:40,660 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 02:36:40,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 02:36:40,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 02:36:40,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:36:40,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:36:40,687 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:36:40,687 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 02:36:40,688 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 02:36:40,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 02:36:40,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 02:36:40,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:36:40,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:36:40,689 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 02:36:40,689 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 02:36:40,694 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 3#L17-2true [2020-06-22 02:36:40,695 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 6#L12true [45] L12-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 (* (- 1) v_ULTIMATE.start_main_~i~0_11)) (< v_ULTIMATE.start_main_~range~0_9 (+ v_ULTIMATE.start_main_~i~0_11 5))) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 3#L17-2true [2020-06-22 02:36:40,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:40,700 INFO L82 PathProgramCache]: Analyzing trace with hash 63, now seen corresponding path program 1 times [2020-06-22 02:36:40,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:40,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:40,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:40,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:40,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1967, now seen corresponding path program 1 times [2020-06-22 02:36:40,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:40,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:40,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:40,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:40,786 INFO L82 PathProgramCache]: Analyzing trace with hash 61549, now seen corresponding path program 1 times [2020-06-22 02:36:40,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:40,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:40,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:40,866 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:40,867 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:40,867 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:40,868 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:40,868 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:36:40,868 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:40,868 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:40,868 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:40,868 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 02:36:40,869 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:40,869 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:40,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:40,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:40,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:40,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:40,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,056 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:41,057 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,064 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:41,065 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:41,096 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:41,097 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:41,104 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:41,131 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:41,131 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,138 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:41,138 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:41,142 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:41,142 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:41,171 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,204 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:36:41,204 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:41,388 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 02:36:41,391 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:41,391 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:41,391 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:41,391 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:41,391 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 02:36:41,391 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 02:36:41,391 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:41,392 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:41,392 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 02:36:41,392 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:41,392 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:41,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,520 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:41,526 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 02:36:41,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 02:36:41,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:36:41,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:36:41,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:36:41,530 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:36:41,534 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:36:41,535 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:36:41,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 02:36:41,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 02:36:41,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:36:41,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:36:41,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:36:41,546 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:36:41,549 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:36:41,550 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:36:41,586 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 02:36:41,610 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-06-22 02:36:41,611 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 02:36:41,613 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 02:36:41,617 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 02:36:41,618 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 02:36:41,618 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 + 18 Supporting invariants [1*ULTIMATE.start_main_~range~0 - 20 >= 0] [2020-06-22 02:36:41,623 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 02:36:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:36:41,680 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 02:36:41,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:36:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:36:41,704 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 02:36:41,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:36:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 02:36:41,733 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 02:36:41,738 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 2 loop predicates [2020-06-22 02:36:41,739 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. [2020-06-22 02:36:41,841 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 25 states and 52 transitions. Complement of second has 8 states. [2020-06-22 02:36:41,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 02:36:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 02:36:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-06-22 02:36:41,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 02:36:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 02:36:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:41,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 02:36:41,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:41,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 52 transitions. [2020-06-22 02:36:41,865 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2020-06-22 02:36:41,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 19 states and 39 transitions. [2020-06-22 02:36:41,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-06-22 02:36:41,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-06-22 02:36:41,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 39 transitions. [2020-06-22 02:36:41,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 02:36:41,871 INFO L706 BuchiCegarLoop]: Abstraction has 19 states and 39 transitions. [2020-06-22 02:36:41,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 39 transitions. [2020-06-22 02:36:41,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12. [2020-06-22 02:36:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-06-22 02:36:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 23 transitions. [2020-06-22 02:36:41,904 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 23 transitions. [2020-06-22 02:36:41,904 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 23 transitions. [2020-06-22 02:36:41,904 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 02:36:41,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 23 transitions. [2020-06-22 02:36:41,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 02:36:41,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:36:41,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:36:41,906 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 02:36:41,906 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 02:36:41,906 INFO L794 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 81#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 77#L12 [2020-06-22 02:36:41,907 INFO L796 eck$LassoCheckResult]: Loop: 77#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 85#L17 [48] L17-->L17-2: Formula: (< 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 76#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 77#L12 [2020-06-22 02:36:41,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:41,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1984, now seen corresponding path program 1 times [2020-06-22 02:36:41,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:41,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:41,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:41,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:41,924 INFO L82 PathProgramCache]: Analyzing trace with hash 70711, now seen corresponding path program 1 times [2020-06-22 02:36:41,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:41,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:41,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:41,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:41,942 INFO L82 PathProgramCache]: Analyzing trace with hash 59146264, now seen corresponding path program 1 times [2020-06-22 02:36:41,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:41,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:41,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:41,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:41,983 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:41,984 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:41,984 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:41,984 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:41,984 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:36:41,984 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:41,984 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:41,984 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:41,984 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 02:36:41,985 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:41,985 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:41,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:41,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,072 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:42,072 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,089 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,089 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,117 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:42,118 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,125 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,154 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:42,154 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,172 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,173 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,206 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:36:42,207 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,327 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 02:36:42,330 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:42,330 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:42,330 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:42,330 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:42,330 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 02:36:42,331 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 02:36:42,331 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:42,331 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:42,331 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 02:36:42,331 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:42,331 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:42,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,402 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:42,402 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 02:36:42,403 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 02:36:42,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:36:42,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:36:42,405 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:36:42,405 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:36:42,407 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:36:42,407 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:36:42,410 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 02:36:42,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 02:36:42,411 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:36:42,411 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:36:42,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:36:42,412 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:36:42,414 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 02:36:42,414 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 02:36:42,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 02:36:42,419 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 02:36:42,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 02:36:42,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 02:36:42,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 02:36:42,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 02:36:42,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 02:36:42,422 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 02:36:42,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 02:36:42,428 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 02:36:42,432 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 02:36:42,432 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 02:36:42,433 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 02:36:42,433 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 02:36:42,434 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 02:36:42,434 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-06-22 02:36:42,434 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 02:36:42,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:36:42,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 02:36:42,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:36:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:36:42,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 02:36:42,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:36:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 02:36:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 02:36:42,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 02:36:42,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 02:36:42,519 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 02:36:42,519 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 3 loop predicates [2020-06-22 02:36:42,519 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 23 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-06-22 02:36:42,639 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 23 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 87 states and 133 transitions. Complement of second has 24 states. [2020-06-22 02:36:42,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2020-06-22 02:36:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 02:36:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2020-06-22 02:36:42,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 2 letters. Loop has 3 letters. [2020-06-22 02:36:42,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:42,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 02:36:42,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:42,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 2 letters. Loop has 6 letters. [2020-06-22 02:36:42,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 02:36:42,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 133 transitions. [2020-06-22 02:36:42,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2020-06-22 02:36:42,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 66 states and 112 transitions. [2020-06-22 02:36:42,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-06-22 02:36:42,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-06-22 02:36:42,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 112 transitions. [2020-06-22 02:36:42,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 02:36:42,652 INFO L706 BuchiCegarLoop]: Abstraction has 66 states and 112 transitions. [2020-06-22 02:36:42,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 112 transitions. [2020-06-22 02:36:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 36. [2020-06-22 02:36:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-06-22 02:36:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 71 transitions. [2020-06-22 02:36:42,657 INFO L729 BuchiCegarLoop]: Abstraction has 36 states and 71 transitions. [2020-06-22 02:36:42,658 INFO L609 BuchiCegarLoop]: Abstraction has 36 states and 71 transitions. [2020-06-22 02:36:42,658 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 02:36:42,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 71 transitions. [2020-06-22 02:36:42,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-06-22 02:36:42,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 02:36:42,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 02:36:42,660 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 02:36:42,660 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 02:36:42,660 INFO L794 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY [32] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 249#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 273#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 257#L17 [2020-06-22 02:36:42,660 INFO L796 eck$LassoCheckResult]: Loop: 257#L17 [47] L17-->L17-2: Formula: (> 0 v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 278#L17-2 [31] L17-2-->L12: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_8)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 256#L12 [41] L12-->L17: Formula: (and (= v_ULTIMATE.start_main_~range~0_10 (+ v_ULTIMATE.start_main_~range~0_11 1)) (>= v_ULTIMATE.start_main_~range~0_11 (+ v_ULTIMATE.start_main_~i~0_13 5)) (= v_ULTIMATE.start_main_~i~0_12 (+ v_ULTIMATE.start_main_~i~0_13 (- 1))) (>= (+ v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_13) 5)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 257#L17 [2020-06-22 02:36:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:42,661 INFO L82 PathProgramCache]: Analyzing trace with hash 61545, now seen corresponding path program 1 times [2020-06-22 02:36:42,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:42,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:42,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:42,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:42,670 INFO L82 PathProgramCache]: Analyzing trace with hash 75960, now seen corresponding path program 1 times [2020-06-22 02:36:42,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:42,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:42,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:42,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 02:36:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1833533264, now seen corresponding path program 1 times [2020-06-22 02:36:42,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 02:36:42,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 02:36:42,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 02:36:42,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 02:36:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 02:36:42,722 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:42,722 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:42,723 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:42,723 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:42,723 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:36:42,723 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,723 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:42,723 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:42,723 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 02:36:42,723 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:42,724 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:42,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:42,789 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:42,789 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,796 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,824 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:42,825 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,834 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,835 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,866 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:36:42,866 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,891 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:42,891 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~range~0=6, ULTIMATE.start_main_~i~0=-1} Honda state: {ULTIMATE.start_main_~range~0=6, ULTIMATE.start_main_~i~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~range~0=0, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~range~0=1, ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~range~0=0, ULTIMATE.start_main_~i~0=0}] Lambdas: [8, 1, 0] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,919 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:42,920 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:42,947 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:42,948 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 02:36:42,995 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 02:36:42,995 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 02:36:42,995 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 02:36:42,996 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 02:36:42,996 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 02:36:42,996 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:42,996 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 02:36:42,996 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 02:36:42,996 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 02:36:42,997 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 02:36:42,997 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 02:36:42,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:43,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:43,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:43,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:43,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 02:36:43,104 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 02:36:43,104 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,112 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:43,112 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,147 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 02:36:43,147 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:43,177 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:43,177 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~range~0=0} Honda state: {ULTIMATE.start_main_~i~0=-1, ULTIMATE.start_main_~range~0=21} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~range~0=0}, {ULTIMATE.start_main_~i~0=-1, ULTIMATE.start_main_~range~0=1}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~range~0=0}] Lambdas: [0, 1, 26] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,206 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:43,206 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:43,210 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:43,210 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,248 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:43,248 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:43,252 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:43,252 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: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,284 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:43,284 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:43,313 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:43,314 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 02:36:43,327 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 02:36:43,327 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 02:36:43,355 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 02:36:43,355 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 02:36:43,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,366 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,369 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,369 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 02:36:43 BasicIcfg [2020-06-22 02:36:43,383 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 02:36:43,383 INFO L168 Benchmark]: Toolchain (without parser) took 3556.62 ms. Allocated memory was 649.6 MB in the beginning and 749.7 MB in the end (delta: 100.1 MB). Free memory was 565.3 MB in the beginning and 669.6 MB in the end (delta: -104.3 MB). Peak memory consumption was 226.1 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,385 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 02:36:43,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.46 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 565.3 MB in the beginning and 641.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.80 ms. Allocated memory is still 674.8 MB. Free memory was 641.1 MB in the beginning and 639.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,387 INFO L168 Benchmark]: Boogie Preprocessor took 19.84 ms. Allocated memory is still 674.8 MB. Free memory was 639.8 MB in the beginning and 638.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,387 INFO L168 Benchmark]: RCFGBuilder took 211.58 ms. Allocated memory is still 674.8 MB. Free memory was 638.4 MB in the beginning and 623.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,388 INFO L168 Benchmark]: BlockEncodingV2 took 80.47 ms. Allocated memory is still 674.8 MB. Free memory was 623.7 MB in the beginning and 617.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,388 INFO L168 Benchmark]: TraceAbstraction took 163.56 ms. Allocated memory is still 674.8 MB. Free memory was 617.2 MB in the beginning and 607.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,389 INFO L168 Benchmark]: BuchiAutomizer took 2760.44 ms. Allocated memory was 674.8 MB in the beginning and 749.7 MB in the end (delta: 75.0 MB). Free memory was 607.8 MB in the beginning and 669.6 MB in the end (delta: -61.8 MB). Peak memory consumption was 243.5 MB. Max. memory is 50.3 GB. [2020-06-22 02:36:43,394 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 4 locations, 8 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 279.46 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 565.3 MB in the beginning and 641.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.80 ms. Allocated memory is still 674.8 MB. Free memory was 641.1 MB in the beginning and 639.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.84 ms. Allocated memory is still 674.8 MB. Free memory was 639.8 MB in the beginning and 638.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 211.58 ms. Allocated memory is still 674.8 MB. Free memory was 638.4 MB in the beginning and 623.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 80.47 ms. Allocated memory is still 674.8 MB. Free memory was 623.7 MB in the beginning and 617.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 163.56 ms. Allocated memory is still 674.8 MB. Free memory was 617.2 MB in the beginning and 607.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2760.44 ms. Allocated memory was 674.8 MB in the beginning and 749.7 MB in the end (delta: 75.0 MB). Free memory was 607.8 MB in the beginning and 669.6 MB in the end (delta: -61.8 MB). Peak memory consumption was 243.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i + 18 and consists of 5 locations. One nondeterministic module has affine ranking function i and consists of 6 locations. The remainder module has 36 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 37 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 36 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 40 SDslu, 0 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax156 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 17]: Nontermination argument in form of an infinite program execution. [2020-06-22 02:36:43,404 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,405 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,406 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,407 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,408 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,409 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 02:36:43,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 02:36:43,410 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, ULTIMATE.start_main_~range~0=0, ULTIMATE.start_main_~i~0=0, ~unnamed0~0~false=0, ~unnamed0~0~true=1, |ULTIMATE.start_main_#res|=0} {range=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41bb6b45=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-1} {range=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41bb6b45=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-2} {range=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41bb6b45=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-3} {range=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41bb6b45=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-4} {range=25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41bb6b45=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=-5} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [0, 1, 26] Mus: [0, 0] - NonterminatingLassoResult [Line: 17]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int range; [L8] i = __VERIFIER_nondet_int() [L9] range = 20 [L11] COND TRUE -range <= i && i <= range [L12] COND FALSE !(range-i < 5 || range+i < 5) [L15] range = range+1 [L16] i = i-1 Loop: [L17] COND FALSE !(i == 0) [L11] COND TRUE -range <= i && i <= range [L12] COND FALSE !(range-i < 5 || range+i < 5) [L15] range = range+1 [L16] i = i-1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 02:36:36.581 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 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 !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 02:36:43.640 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check