NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:26:41,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:26:41,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:26:41,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:26:41,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:26:41,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:26:41,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:26:41,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:26:41,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:26:41,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:26:41,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:26:41,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:26:41,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:26:41,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:26:41,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:26:41,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:26:41,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:26:41,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:26:41,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:26:41,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:26:41,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:26:41,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:26:41,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:26:41,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:26:41,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:26:41,062 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:26:41,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:26:41,063 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:26:41,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:26:41,064 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:26:41,064 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:26:41,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:26:41,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:26:41,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:26:41,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:26:41,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:26:41,067 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:26:41,068 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:26:41,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:26:41,069 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 03:26:41,083 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:26:41,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:26:41,084 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:26:41,084 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:26:41,085 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:26:41,085 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:26:41,085 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:26:41,085 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:26:41,085 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:26:41,085 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:41,086 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:26:41,086 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:26:41,087 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:26:41,087 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:26:41,087 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:26:41,087 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:26:41,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:26:41,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:26:41,088 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:26:41,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:26:41,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:26:41,088 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:26:41,088 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:26:41,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:26:41,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:26:41,128 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:26:41,131 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:26:41,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:26:41,133 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:26:41,134 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:26:41,236 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/56588aee2e164a0994edab3f3d232fe6/FLAGdcd6e45e1 [2020-06-22 03:26:41,567 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:26:41,568 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:26:41,574 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/56588aee2e164a0994edab3f3d232fe6/FLAGdcd6e45e1 [2020-06-22 03:26:41,990 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/56588aee2e164a0994edab3f3d232fe6 [2020-06-22 03:26:42,001 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:26:42,002 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:26:42,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:26:42,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:26:42,007 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:26:42,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:26:41" (1/1) ... [2020-06-22 03:26:42,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f6146d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:26:41" (1/1) ... [2020-06-22 03:26:42,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:26:42,035 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:26:42,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:26:42,189 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:26:42,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:26:42,273 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:26:42,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42 WrapperNode [2020-06-22 03:26:42,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:26:42,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:26:42,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:26:42,274 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:26:42,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:26:42,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:26:42,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:26:42,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:26:42,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:26:42,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:26:42,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:26:42,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:26:42,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (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 03:26:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:26:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:26:42,499 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:26:42,500 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 03:26:42,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:42 BoogieIcfgContainer [2020-06-22 03:26:42,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:26:42,501 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:26:42,502 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:26:42,503 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:26:42,504 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:42" (1/1) ... [2020-06-22 03:26:42,517 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-22 03:26:42,519 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:26:42,519 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:26:42,520 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:26:42,520 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:26:42,522 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:26:42,523 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:26:42,523 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:26:42,535 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:26:42,539 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 03:26:42,544 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility [2020-06-22 03:26:42,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:26:42,547 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:26:42,549 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:26:42,550 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:26:42,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:26:42,551 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:26:42,551 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:26:42,551 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-22 03:26:42,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:42 BasicIcfg [2020-06-22 03:26:42,552 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:26:42,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:26:42,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:26:42,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:26:42,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:26:41" (1/4) ... [2020-06-22 03:26:42,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1a18d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (2/4) ... [2020-06-22 03:26:42,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1a18d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:42" (3/4) ... [2020-06-22 03:26:42,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1a18d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:42" (4/4) ... [2020-06-22 03:26:42,560 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:26:42,569 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:26:42,576 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:26:42,593 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:26:42,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:26:42,622 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:26:42,622 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:26:42,622 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:26:42,622 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:26:42,623 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:26:42,623 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:26:42,623 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:26:42,623 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:26:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-22 03:26:42,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:26:42,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-22 03:26:42,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:26:42,697 INFO L451 ceAbstractionStarter]: At program point L9-2(lines 9 11) the Hoare annotation is: true [2020-06-22 03:26:42,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:42 BasicIcfg [2020-06-22 03:26:42,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:26:42,705 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:26:42,705 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:26:42,708 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:26:42,709 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:42,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:26:41" (1/5) ... [2020-06-22 03:26:42,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385155e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,710 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:42,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:26:42" (2/5) ... [2020-06-22 03:26:42,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385155e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,711 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:42,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:26:42" (3/5) ... [2020-06-22 03:26:42,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385155e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,712 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:42,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:26:42" (4/5) ... [2020-06-22 03:26:42,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@385155e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:42, skipping insertion in model container [2020-06-22 03:26:42,712 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:26:42,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:26:42" (5/5) ... [2020-06-22 03:26:42,714 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:26:42,742 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:26:42,742 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:26:42,742 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:26:42,742 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:26:42,743 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:26:42,743 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:26:42,743 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:26:42,743 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:26:42,743 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:26:42,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 03:26:42,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:42,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:42,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:42,768 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 03:26:42,768 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:42,768 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:26:42,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 03:26:42,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 03:26:42,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:26:42,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:26:42,769 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 03:26:42,770 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:26:42,774 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L9-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 4#L9-2true [2020-06-22 03:26:42,775 INFO L796 eck$LassoCheckResult]: Loop: 4#L9-2true [22] L9-2-->L9-2: Formula: (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) 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_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 4#L9-2true [2020-06-22 03:26:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:42,781 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2020-06-22 03:26:42,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:42,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:42,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2020-06-22 03:26:42,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:42,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:42,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:42,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:26:42,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2020-06-22 03:26:42,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:26:42,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:26:42,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:26:42,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:26:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:26:42,903 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:42,904 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:42,904 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:42,904 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:42,904 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:26:42,905 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:42,905 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:42,905 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:42,905 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 03:26:42,905 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:42,906 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:42,927 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 03:26:42,938 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 03:26:42,943 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 03:26:43,031 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:43,032 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 03:26:43,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,039 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,073 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,073 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/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 03:26:43,079 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,079 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,107 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,107 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/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 03:26:43,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,112 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 03:26:43,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:26:43,142 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,178 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,179 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~i~0=-5}, {ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2020-06-22 03:26:43,211 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:26:43,212 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:26:43,212 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:26:43,212 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:26:43,212 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:26:43,212 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:26:43,212 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:26:43,212 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:26:43,213 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 03:26:43,213 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:26:43,213 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:26:43,215 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 03:26:43,219 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 03:26:43,223 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 03:26:43,229 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 03:26:43,236 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 03:26:43,300 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:26:43,300 INFO L412 LassoAnalysis]: Checking for nontermination... 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 03:26:43,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,306 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,334 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,335 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=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 03:26:43,340 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,341 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,344 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,345 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/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 03:26:43,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,372 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,400 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,401 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:26:43,406 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,406 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,411 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,411 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 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 03:26:43,440 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:26:43,440 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 03:26:43,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:26:43,471 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:26:43,506 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:26:43,506 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~i~0=-5}, {ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2020-06-22 03:26:43,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,544 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,592 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,593 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,593 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,593 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,594 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,594 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,595 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:26:43 BasicIcfg [2020-06-22 03:26:43,606 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:26:43,606 INFO L168 Benchmark]: Toolchain (without parser) took 1604.86 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 550.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 56.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,608 INFO L168 Benchmark]: CDTParser took 0.18 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 03:26:43,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.04 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 656.7 MB in the end (delta: -91.4 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.44 ms. Allocated memory is still 690.5 MB. Free memory was 656.7 MB in the beginning and 654.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,610 INFO L168 Benchmark]: Boogie Preprocessor took 18.19 ms. Allocated memory is still 690.5 MB. Free memory was 654.5 MB in the beginning and 653.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,610 INFO L168 Benchmark]: RCFGBuilder took 175.69 ms. Allocated memory is still 690.5 MB. Free memory was 653.4 MB in the beginning and 641.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,611 INFO L168 Benchmark]: BlockEncodingV2 took 50.39 ms. Allocated memory is still 690.5 MB. Free memory was 641.0 MB in the beginning and 637.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,612 INFO L168 Benchmark]: TraceAbstraction took 151.78 ms. Allocated memory is still 690.5 MB. Free memory was 637.8 MB in the beginning and 628.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,612 INFO L168 Benchmark]: BuchiAutomizer took 900.95 ms. Allocated memory is still 690.5 MB. Free memory was 628.1 MB in the beginning and 550.1 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 50.3 GB. [2020-06-22 03:26:43,616 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 270.04 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 565.2 MB in the beginning and 656.7 MB in the end (delta: -91.4 MB). Peak memory consumption was 29.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.44 ms. Allocated memory is still 690.5 MB. Free memory was 656.7 MB in the beginning and 654.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.19 ms. Allocated memory is still 690.5 MB. Free memory was 654.5 MB in the beginning and 653.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 175.69 ms. Allocated memory is still 690.5 MB. Free memory was 653.4 MB in the beginning and 641.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 50.39 ms. Allocated memory is still 690.5 MB. Free memory was 641.0 MB in the beginning and 637.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.78 ms. Allocated memory is still 690.5 MB. Free memory was 637.8 MB in the beginning and 628.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 900.95 ms. Allocated memory is still 690.5 MB. Free memory was 628.1 MB in the beginning and 550.1 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 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: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: inital6 mio100 ax316 hnf100 lsp31 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf100 smp100 dnf100 smp100 tf116 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 9]: Nontermination argument in form of an infinite program execution. [2020-06-22 03:26:43,626 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,626 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,626 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,627 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,627 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,627 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,628 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,628 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,628 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,629 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,629 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,629 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,630 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,630 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,630 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,631 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,631 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,631 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 03:26:43,632 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 03:26:43,632 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, ~unnamed0~0~true=1, ~unnamed0~0~false=0, ULTIMATE.start_main_~i~0=0, |ULTIMATE.start_main_#res|=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166e023=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166e023=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166e023=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=2} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166e023=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166e023=0, ~unnamed0~0~true=1, \result=0, ~unnamed0~0~false=0, i=4} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 1, 1] Mus: [0, 0] - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE 5<8 [L10] i = i+1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 03:26:38.716 ----------------------------------------------- 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 03:26:43.856 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check