NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 00:55:41,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 00:55:41,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 00:55:41,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 00:55:41,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 00:55:41,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 00:55:41,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 00:55:41,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 00:55:41,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 00:55:41,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 00:55:41,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 00:55:41,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 00:55:41,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 00:55:41,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 00:55:41,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 00:55:41,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 00:55:41,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 00:55:41,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 00:55:41,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 00:55:41,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 00:55:41,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 00:55:41,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 00:55:41,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 00:55:41,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 00:55:41,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 00:55:41,529 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 00:55:41,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 00:55:41,531 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 00:55:41,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 00:55:41,532 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 00:55:41,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 00:55:41,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 00:55:41,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 00:55:41,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 00:55:41,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 00:55:41,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 00:55:41,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 00:55:41,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 00:55:41,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 00:55:41,538 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 00:55:41,552 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 00:55:41,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 00:55:41,554 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 00:55:41,554 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 00:55:41,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 00:55:41,554 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:55:41,555 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 00:55:41,555 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 00:55:41,555 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 00:55:41,555 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 00:55:41,555 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 00:55:41,555 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 00:55:41,556 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 00:55:41,556 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 00:55:41,556 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:41,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 00:55:41,556 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 00:55:41,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 00:55:41,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 00:55:41,557 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 00:55:41,557 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 00:55:41,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 00:55:41,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 00:55:41,558 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 00:55:41,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 00:55:41,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 00:55:41,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 00:55:41,558 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 00:55:41,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 00:55:41,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 00:55:41,596 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 00:55:41,600 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 00:55:41,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 00:55:41,602 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 00:55:41,602 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 00:55:41,677 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/aca5babc99b543ef956a51554c711831/FLAG5e83410fd [2020-06-22 00:55:42,020 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 00:55:42,021 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 00:55:42,028 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/aca5babc99b543ef956a51554c711831/FLAG5e83410fd [2020-06-22 00:55:42,428 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/aca5babc99b543ef956a51554c711831 [2020-06-22 00:55:42,440 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 00:55:42,442 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 00:55:42,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 00:55:42,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 00:55:42,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 00:55:42,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3430bfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42, skipping insertion in model container [2020-06-22 00:55:42,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 00:55:42,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 00:55:42,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:55:42,634 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 00:55:42,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 00:55:42,717 INFO L195 MainTranslator]: Completed translation [2020-06-22 00:55:42,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42 WrapperNode [2020-06-22 00:55:42,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 00:55:42,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 00:55:42,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 00:55:42,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 00:55:42,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 00:55:42,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 00:55:42,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 00:55:42,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 00:55:42,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 00:55:42,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 00:55:42,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 00:55:42,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 00:55:42,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 00:55:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 00:55:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 00:55:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-06-22 00:55:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-06-22 00:55:42,963 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 00:55:42,964 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2020-06-22 00:55:42,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:55:42 BoogieIcfgContainer [2020-06-22 00:55:42,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 00:55:42,966 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 00:55:42,966 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 00:55:42,968 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 00:55:42,968 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:55:42" (1/1) ... [2020-06-22 00:55:42,983 INFO L313 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2020-06-22 00:55:42,985 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 00:55:42,985 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 00:55:42,986 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 00:55:42,986 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 00:55:42,988 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 00:55:42,989 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 00:55:42,989 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 00:55:43,004 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 00:55:43,019 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-22 00:55:43,024 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 00:55:43,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:55:43,034 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 00:55:43,036 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states [2020-06-22 00:55:43,038 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 00:55:43,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 00:55:43,038 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 00:55:43,038 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 00:55:43,039 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 10 edges [2020-06-22 00:55:43,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:55:43 BasicIcfg [2020-06-22 00:55:43,039 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 00:55:43,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 00:55:43,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 00:55:43,044 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 00:55:43,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 12:55:42" (1/4) ... [2020-06-22 00:55:43,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e78bdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (2/4) ... [2020-06-22 00:55:43,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e78bdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:55:42" (3/4) ... [2020-06-22 00:55:43,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e78bdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:55:43" (4/4) ... [2020-06-22 00:55:43,048 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:55:43,058 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 00:55:43,065 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 00:55:43,083 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 00:55:43,111 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:55:43,112 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 00:55:43,112 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 00:55:43,112 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:55:43,112 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:55:43,113 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:55:43,113 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 00:55:43,113 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:55:43,113 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 00:55:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-06-22 00:55:43,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 00:55:43,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-06-22 00:55:43,197 INFO L451 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: true [2020-06-22 00:55:43,197 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 00:55:43,198 INFO L448 ceAbstractionStarter]: For program point sumEXIT(lines 3 9) no Hoare annotation was computed. [2020-06-22 00:55:43,198 INFO L451 ceAbstractionStarter]: At program point L7(line 7) the Hoare annotation is: true [2020-06-22 00:55:43,198 INFO L448 ceAbstractionStarter]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-06-22 00:55:43,198 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 8) no Hoare annotation was computed. [2020-06-22 00:55:43,198 INFO L448 ceAbstractionStarter]: For program point sumFINAL(lines 3 9) no Hoare annotation was computed. [2020-06-22 00:55:43,199 INFO L451 ceAbstractionStarter]: At program point sumENTRY(lines 3 9) the Hoare annotation is: true [2020-06-22 00:55:43,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:55:43 BasicIcfg [2020-06-22 00:55:43,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 00:55:43,203 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 00:55:43,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 00:55:43,206 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 00:55:43,207 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:55:43,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 12:55:42" (1/5) ... [2020-06-22 00:55:43,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@428940e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,208 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:55:43,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 12:55:42" (2/5) ... [2020-06-22 00:55:43,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@428940e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:55:43,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:55:42" (3/5) ... [2020-06-22 00:55:43,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@428940e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:55:43,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 12:55:43" (4/5) ... [2020-06-22 00:55:43,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@428940e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:55:43, skipping insertion in model container [2020-06-22 00:55:43,210 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 00:55:43,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:55:43" (5/5) ... [2020-06-22 00:55:43,212 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 00:55:43,240 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 00:55:43,240 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 00:55:43,240 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 00:55:43,241 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 00:55:43,241 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 00:55:43,241 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 00:55:43,241 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 00:55:43,241 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 00:55:43,241 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 00:55:43,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 00:55:43,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:55:43,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:55:43,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:55:43,270 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 00:55:43,270 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:55:43,270 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 00:55:43,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-06-22 00:55:43,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 00:55:43,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 00:55:43,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 00:55:43,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 00:55:43,272 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 00:55:43,277 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L14: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~ret1=|v_ULTIMATE.start_main_#t~ret1_1|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_1, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~result~0] 8#L14true [39] L14-->sumENTRY: Formula: (and (= |v_sum_#in~nInParam_1| v_ULTIMATE.start_main_~a~0_7) (= |v_sum_#in~mInParam_1| v_ULTIMATE.start_main_~b~0_7)) InVars {ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7} OutVars{sum_#in~m=|v_sum_#in~mInParam_1|, sum_#in~n=|v_sum_#in~nInParam_1|} AuxVars[] AssignedVars[sum_#in~m, sum_#in~n]< 4#sumENTRYtrue [2020-06-22 00:55:43,278 INFO L796 eck$LassoCheckResult]: Loop: 4#sumENTRYtrue [33] sumENTRY-->L4: Formula: (and (= v_sum_~n_4 |v_sum_#in~n_1|) (= v_sum_~m_3 |v_sum_#in~m_1|)) InVars {sum_#in~m=|v_sum_#in~m_1|, sum_#in~n=|v_sum_#in~n_1|} OutVars{sum_~n=v_sum_~n_4, sum_~m=v_sum_~m_3, sum_#in~m=|v_sum_#in~m_1|, sum_#in~n=|v_sum_#in~n_1|} AuxVars[] AssignedVars[sum_~n, sum_~m] 6#L4true [44] L4-->L7: Formula: (> 0 v_sum_~n_2) InVars {sum_~n=v_sum_~n_2} OutVars{sum_~n=v_sum_~n_2} AuxVars[] AssignedVars[] 9#L7true [32] L7-->sumENTRY: Formula: (and (= |v_sum_#in~nInParam_2| (+ v_sum_~n_5 (- 1))) (= |v_sum_#in~mInParam_2| (+ v_sum_~m_4 1))) InVars {sum_~n=v_sum_~n_5, sum_~m=v_sum_~m_4} OutVars{sum_#in~m=|v_sum_#in~mInParam_2|, sum_#in~n=|v_sum_#in~nInParam_2|} AuxVars[] AssignedVars[sum_#in~m, sum_#in~n]< 4#sumENTRYtrue [2020-06-22 00:55:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:55:43,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2020-06-22 00:55:43,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:55:43,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:55:43,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:55:43,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:55:43,354 INFO L82 PathProgramCache]: Analyzing trace with hash 62900, now seen corresponding path program 1 times [2020-06-22 00:55:43,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:55:43,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:55:43,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:55:43,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 00:55:43,376 INFO L82 PathProgramCache]: Analyzing trace with hash 61223823, now seen corresponding path program 1 times [2020-06-22 00:55:43,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 00:55:43,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 00:55:43,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 00:55:43,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 00:55:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 00:55:43,477 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:55:43,479 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:55:43,479 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:55:43,479 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:55:43,479 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 00:55:43,479 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:43,480 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:55:43,480 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:55:43,480 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 00:55:43,480 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:55:43,480 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:55:43,498 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 00:55:43,505 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 00:55:43,508 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 00:55:43,520 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 00:55:43,522 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 00:55:43,528 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 00:55:43,594 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:55:43,595 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 00:55:43,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,605 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,614 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,615 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:43,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,647 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,651 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,651 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:43,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,680 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 00:55:43,719 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:55:43,719 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,736 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,737 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#in~n=-1} Honda state: {sum_#in~n=-1} Generalized eigenvectors: [{sum_#in~n=0}, {sum_#in~n=-1}, {sum_#in~n=0}] Lambdas: [8, 1, 8] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/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 00:55:43,765 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,765 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,769 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,769 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret0=0} Honda state: {sum_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:43,802 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,802 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 00:55:43,833 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:55:43,833 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,851 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,851 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#in~m=0} Honda state: {sum_#in~m=0} Generalized eigenvectors: [{sum_#in~m=1}, {sum_#in~m=1}, {sum_#in~m=-1}] Lambdas: [0, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox/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 00:55:43,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:43,880 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:43,884 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:43,884 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~n=0} Honda state: {sum_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 00:55:43,927 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 00:55:43,927 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 00:55:43,927 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 00:55:43,927 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 00:55:43,927 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 00:55:43,928 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:43,928 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 00:55:43,928 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 00:55:43,928 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 00:55:43,928 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 00:55:43,928 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 00:55:43,930 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 00:55:43,933 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 00:55:43,936 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 00:55:43,939 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 00:55:43,941 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 00:55:43,945 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 00:55:43,948 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 00:55:43,950 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 00:55:43,952 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 00:55:43,954 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 00:55:43,957 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 00:55:43,970 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 00:55:44,063 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 00:55:44,064 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 00:55:44,069 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,069 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,073 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,073 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/sandbox/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 00:55:44,105 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,105 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,109 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,109 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=0} Honda state: {ULTIMATE.start_main_~b~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,138 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,138 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,149 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,149 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1=0} Honda state: {ULTIMATE.start_main_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,178 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,179 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,182 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,183 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~n=0} Honda state: {sum_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,217 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 00:55:44,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:55:44,250 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,266 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,266 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#in~m=0} Honda state: {sum_#in~m=0} Generalized eigenvectors: [{sum_#in~m=1}, {sum_#in~m=1}, {sum_#in~m=-1}] Lambdas: [0, 1, 1] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox/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) [2020-06-22 00:55:44,295 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,295 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:44,299 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,299 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,326 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,326 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,329 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,330 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret2=0} Honda state: {ULTIMATE.start_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,358 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,359 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,362 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,362 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,391 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,394 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,394 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret0=0} Honda state: {sum_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 00:55:44,423 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,423 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,426 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,427 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~result~0=0} Honda state: {ULTIMATE.start_main_~result~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:44,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,455 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:44,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 00:55:44,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,502 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,502 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#in~n=-1} Honda state: {sum_#in~n=-1} Generalized eigenvectors: [{sum_#in~n=0}, {sum_#in~n=-1}, {sum_#in~n=0}] Lambdas: [8, 1, 8] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 00:55:44,531 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 00:55:44,531 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 00:55:44,535 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 00:55:44,535 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 00:55:44,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 12:55:44 BasicIcfg [2020-06-22 00:55:44,584 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 00:55:44,584 INFO L168 Benchmark]: Toolchain (without parser) took 2143.53 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 565.2 MB in the beginning and 447.6 MB in the end (delta: 117.6 MB). Peak memory consumption was 124.4 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,586 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 586.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 00:55:44,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.20 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 565.2 MB in the beginning and 623.9 MB in the end (delta: -58.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 656.4 MB. Free memory was 623.9 MB in the beginning and 620.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,589 INFO L168 Benchmark]: Boogie Preprocessor took 16.12 ms. Allocated memory is still 656.4 MB. Free memory was 620.8 MB in the beginning and 619.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,589 INFO L168 Benchmark]: RCFGBuilder took 195.82 ms. Allocated memory is still 656.4 MB. Free memory was 619.4 MB in the beginning and 606.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,590 INFO L168 Benchmark]: BlockEncodingV2 took 73.92 ms. Allocated memory is still 656.4 MB. Free memory was 606.5 MB in the beginning and 601.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,590 INFO L168 Benchmark]: TraceAbstraction took 161.63 ms. Allocated memory is still 656.4 MB. Free memory was 601.1 MB in the beginning and 590.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,591 INFO L168 Benchmark]: BuchiAutomizer took 1381.01 ms. Allocated memory is still 656.4 MB. Free memory was 589.2 MB in the beginning and 447.6 MB in the end (delta: 141.6 MB). Peak memory consumption was 141.6 MB. Max. memory is 50.3 GB. [2020-06-22 00:55:44,595 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 14 locations, 16 edges - StatisticsResult: Encoded RCFG 8 locations, 10 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 586.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 275.20 ms. Allocated memory was 649.6 MB in the beginning and 656.4 MB in the end (delta: 6.8 MB). Free memory was 565.2 MB in the beginning and 623.9 MB in the end (delta: -58.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.47 ms. Allocated memory is still 656.4 MB. Free memory was 623.9 MB in the beginning and 620.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 16.12 ms. Allocated memory is still 656.4 MB. Free memory was 620.8 MB in the beginning and 619.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 195.82 ms. Allocated memory is still 656.4 MB. Free memory was 619.4 MB in the beginning and 606.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 73.92 ms. Allocated memory is still 656.4 MB. Free memory was 606.5 MB in the beginning and 601.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 161.63 ms. Allocated memory is still 656.4 MB. Free memory was 601.1 MB in the beginning and 590.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1381.01 ms. Allocated memory is still 656.4 MB. Free memory was 589.2 MB in the beginning and 447.6 MB in the end (delta: 141.6 MB). Peak memory consumption was 141.6 MB. Max. memory is 50.3 GB. * 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 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=8occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 3]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~ret1|=0, |sum_#res|=0, |ULTIMATE.start_#t~ret2|=0, ULTIMATE.start_main_~a~0=0, |sum_#t~ret0|=0, |ULTIMATE.start_main_#res|=0, sum_~n=0, sum_~m=0, ULTIMATE.start_main_~b~0=0, |sum_#in~m|=0, ULTIMATE.start_main_~result~0=0, |sum_#in~n|=-1} {\result=0, \old(n)=-1, a=0, \old(m)=0, result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d47a17f=0, b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df08fb=0, n=0, m=0, NULL=0} {\result=0, \old(n)=-2, a=0, \old(m)=1, result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d47a17f=0, b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df08fb=0, n=0, m=0, NULL=0} {\result=0, \old(n)=-3, a=0, \old(m)=2, result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d47a17f=0, b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df08fb=0, n=0, m=0, NULL=0} {\result=0, \old(n)=-4, a=0, \old(m)=3, result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d47a17f=0, b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df08fb=0, n=0, m=0, NULL=0} {\result=0, \old(n)=-5, a=0, \old(m)=4, result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d47a17f=0, b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df08fb=0, n=0, m=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 4GEVs Lambdas: [0, 1, 1, 8, 1, 8] Mus: [1, 0, 0, 0, 0] - NonterminatingLassoResult [Line: 3]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int a; [L13] int b; [L14] CALL sum(a, b) Loop: [L4] COND FALSE !(n == 0) [L7] CALL sum(n - 1, m + 1) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 00:55:39.123 ----------------------------------------------- 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/sandbox/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/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 00:55:44.840 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check