NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 23:08:37,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 23:08:37,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 23:08:37,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 23:08:37,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 23:08:37,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 23:08:37,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 23:08:37,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 23:08:37,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 23:08:37,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 23:08:37,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 23:08:37,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 23:08:37,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 23:08:37,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 23:08:37,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 23:08:37,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 23:08:37,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 23:08:37,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 23:08:37,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 23:08:37,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 23:08:37,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 23:08:37,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 23:08:37,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 23:08:37,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 23:08:37,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 23:08:37,887 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 23:08:37,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 23:08:37,888 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 23:08:37,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 23:08:37,889 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 23:08:37,890 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 23:08:37,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 23:08:37,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 23:08:37,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 23:08:37,892 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 23:08:37,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 23:08:37,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 23:08:37,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 23:08:37,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 23:08:37,895 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-21 23:08:37,909 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 23:08:37,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 23:08:37,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 23:08:37,911 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 23:08:37,911 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 23:08:37,911 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:08:37,911 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 23:08:37,911 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 23:08:37,912 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 23:08:37,913 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:08:37,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 23:08:37,913 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 23:08:37,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 23:08:37,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 23:08:37,914 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 23:08:37,914 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 23:08:37,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 23:08:37,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 23:08:37,915 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 23:08:37,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 23:08:37,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 23:08:37,915 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 23:08:37,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 23:08:37,915 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 23:08:37,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 23:08:37,955 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 23:08:37,958 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 23:08:37,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 23:08:37,960 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 23:08:37,961 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 23:08:38,028 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/877cb7a7cf3443fbba60e0626615ccaa/FLAG44b617b78 [2020-06-21 23:08:38,375 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 23:08:38,376 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-21 23:08:38,383 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/877cb7a7cf3443fbba60e0626615ccaa/FLAG44b617b78 [2020-06-21 23:08:38,780 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/877cb7a7cf3443fbba60e0626615ccaa [2020-06-21 23:08:38,791 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 23:08:38,793 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 23:08:38,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 23:08:38,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 23:08:38,798 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 23:08:38,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:08:38" (1/1) ... [2020-06-21 23:08:38,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d44c499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:38, skipping insertion in model container [2020-06-21 23:08:38,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 11:08:38" (1/1) ... [2020-06-21 23:08:38,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 23:08:38,829 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 23:08:38,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:08:38,993 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 23:08:39,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 23:08:39,088 INFO L195 MainTranslator]: Completed translation [2020-06-21 23:08:39,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39 WrapperNode [2020-06-21 23:08:39,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 23:08:39,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 23:08:39,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 23:08:39,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 23:08:39,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 23:08:39,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 23:08:39,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 23:08:39,147 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 23:08:39,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 23:08:39,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 23:08:39,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 23:08:39,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 23:08:39,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (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 [2020-06-21 23:08:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 23:08:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 23:08:39,364 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 23:08:39,364 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 23:08:39,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:08:39 BoogieIcfgContainer [2020-06-21 23:08:39,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 23:08:39,366 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 23:08:39,367 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 23:08:39,369 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 23:08:39,369 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:08:39" (1/1) ... [2020-06-21 23:08:39,384 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 23:08:39,385 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 23:08:39,386 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 23:08:39,387 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 23:08:39,387 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 23:08:39,390 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 23:08:39,391 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 23:08:39,391 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 23:08:39,405 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 23:08:39,412 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-21 23:08:39,417 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 23:08:39,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:08:39,428 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-21 23:08:39,430 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-21 23:08:39,431 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:08:39,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:08:39,437 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-21 23:08:39,437 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:08:39,437 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 23:08:39,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 23:08:39,438 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 23:08:39,438 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 23:08:39,438 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-21 23:08:39,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:08:39 BasicIcfg [2020-06-21 23:08:39,439 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 23:08:39,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 23:08:39,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 23:08:39,443 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 23:08:39,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 11:08:38" (1/4) ... [2020-06-21 23:08:39,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5a3377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (2/4) ... [2020-06-21 23:08:39,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5a3377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:08:39" (3/4) ... [2020-06-21 23:08:39,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5a3377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:08:39" (4/4) ... [2020-06-21 23:08:39,447 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:08:39,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 23:08:39,465 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 23:08:39,482 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 23:08:39,511 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:08:39,512 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 23:08:39,512 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 23:08:39,512 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:08:39,512 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:08:39,512 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:08:39,512 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 23:08:39,513 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:08:39,513 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 23:08:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-21 23:08:39,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 23:08:39,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-21 23:08:39,584 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 20) the Hoare annotation is: true [2020-06-21 23:08:39,584 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 23:08:39,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:08:39 BasicIcfg [2020-06-21 23:08:39,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 23:08:39,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 23:08:39,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 23:08:39,597 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 23:08:39,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:08:39,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 11:08:38" (1/5) ... [2020-06-21 23:08:39,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bb9136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,598 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:08:39,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 11:08:39" (2/5) ... [2020-06-21 23:08:39,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bb9136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,599 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:08:39,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 11:08:39" (3/5) ... [2020-06-21 23:08:39,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bb9136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,600 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:08:39,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 11:08:39" (4/5) ... [2020-06-21 23:08:39,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76bb9136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:08:39, skipping insertion in model container [2020-06-21 23:08:39,601 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 23:08:39,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 11:08:39" (5/5) ... [2020-06-21 23:08:39,602 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 23:08:39,630 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 23:08:39,630 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 23:08:39,630 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 23:08:39,631 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 23:08:39,631 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 23:08:39,631 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 23:08:39,631 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 23:08:39,631 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 23:08:39,631 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 23:08:39,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 23:08:39,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:08:39,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:08:39,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:08:39,658 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:08:39,658 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:08:39,659 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 23:08:39,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-21 23:08:39,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-21 23:08:39,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 23:08:39,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 23:08:39,660 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 23:08:39,660 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-21 23:08:39,665 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L17-2: Formula: (< 1 (+ v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_10)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-06-21 23:08:39,665 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [26] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ (* 2 v_ULTIMATE.start_main_~x~0_10) v_ULTIMATE.start_main_~y~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-06-21 23:08:39,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:08:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-06-21 23:08:39,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:08:39,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:08:39,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:08:39,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:08:39,744 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-21 23:08:39,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:08:39,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:08:39,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:08:39,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 23:08:39,758 INFO L82 PathProgramCache]: Analyzing trace with hash 2134, now seen corresponding path program 1 times [2020-06-21 23:08:39,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 23:08:39,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 23:08:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 23:08:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 23:08:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 23:08:39,812 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:08:39,814 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:08:39,814 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:08:39,814 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:08:39,814 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:08:39,814 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:08:39,815 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:08:39,815 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:08:39,815 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-21 23:08:39,815 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:08:39,815 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:08:39,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:39,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:39,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:39,936 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:08:39,937 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 [2020-06-21 23:08:39,943 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:39,943 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2020-06-21 23:08:39,977 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:08:39,977 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,050 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,050 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~x~0=11} Honda state: {ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~x~0=11} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=13}] Lambdas: [2, 1, 2] Nus: [0, 0] 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 [2020-06-21 23:08:40,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,078 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,105 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,106 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 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 [2020-06-21 23:08:40,110 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,111 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,139 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,139 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: [] [2020-06-21 23:08:40,146 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 23:08:40,147 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 23:08:40,147 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 23:08:40,147 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 23:08:40,147 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 23:08:40,147 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 23:08:40,147 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 23:08:40,147 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 23:08:40,148 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-21 23:08:40,148 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 23:08:40,148 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 23:08:40,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 23:08:40,282 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 23:08:40,282 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 [2020-06-21 23:08:40,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,291 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,295 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,296 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 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 [2020-06-21 23:08:40,324 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,324 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,351 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,351 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 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 [2020-06-21 23:08:40,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,356 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,360 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,360 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 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 [2020-06-21 23:08:40,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,390 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2020-06-21 23:08:40,421 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 23:08:40,421 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,481 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,481 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~x~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 2, 7] Nus: [1, 0] 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 [2020-06-21 23:08:40,509 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,509 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,513 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,513 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2020-06-21 23:08:40,540 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 23:08:40,541 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 23:08:40,568 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 23:08:40,569 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: [] [2020-06-21 23:08:40,580 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,583 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,584 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,585 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,586 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,587 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 11:08:40 BasicIcfg [2020-06-21 23:08:40,598 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 23:08:40,598 INFO L168 Benchmark]: Toolchain (without parser) took 1806.43 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 564.9 MB in the beginning and 510.2 MB in the end (delta: 54.7 MB). Peak memory consumption was 72.0 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,600 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 23:08:40,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.54 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 564.9 MB in the beginning and 634.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 666.9 MB. Free memory was 633.8 MB in the beginning and 632.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,602 INFO L168 Benchmark]: Boogie Preprocessor took 40.80 ms. Allocated memory is still 666.9 MB. Free memory was 632.7 MB in the beginning and 631.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,602 INFO L168 Benchmark]: RCFGBuilder took 199.54 ms. Allocated memory is still 666.9 MB. Free memory was 631.6 MB in the beginning and 615.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,603 INFO L168 Benchmark]: BlockEncodingV2 took 72.51 ms. Allocated memory is still 666.9 MB. Free memory was 615.3 MB in the beginning and 611.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,604 INFO L168 Benchmark]: TraceAbstraction took 152.63 ms. Allocated memory is still 666.9 MB. Free memory was 609.9 MB in the beginning and 601.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,604 INFO L168 Benchmark]: BuchiAutomizer took 1004.70 ms. Allocated memory is still 666.9 MB. Free memory was 601.2 MB in the beginning and 510.2 MB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 50.3 GB. [2020-06-21 23:08:40,608 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 295.54 ms. Allocated memory was 649.6 MB in the beginning and 666.9 MB in the end (delta: 17.3 MB). Free memory was 564.9 MB in the beginning and 634.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.34 ms. Allocated memory is still 666.9 MB. Free memory was 633.8 MB in the beginning and 632.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 40.80 ms. Allocated memory is still 666.9 MB. Free memory was 632.7 MB in the beginning and 631.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 199.54 ms. Allocated memory is still 666.9 MB. Free memory was 631.6 MB in the beginning and 615.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.51 ms. Allocated memory is still 666.9 MB. Free memory was 615.3 MB in the beginning and 611.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 152.63 ms. Allocated memory is still 666.9 MB. Free memory was 609.9 MB in the beginning and 601.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1004.70 ms. Allocated memory is still 666.9 MB. Free memory was 601.2 MB in the beginning and 510.2 MB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 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: 17]: 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 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: inital19 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf100 smp100 tf103 neg100 sie109 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 17]: Nontermination argument in form of an infinite program execution. [2020-06-21 23:08:40,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,619 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,620 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,621 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,621 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,622 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,622 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,622 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,623 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,623 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,623 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,624 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,624 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,625 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,625 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-21 23:08:40,625 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-21 23:08:40,626 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2890af18=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f6e497=0, ~unnamed0~0~false=0, x=10, y=-7} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2890af18=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f6e497=0, ~unnamed0~0~false=0, x=13, y=-8} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2890af18=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f6e497=0, ~unnamed0~0~false=0, x=18, y=-9} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2890af18=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f6e497=0, ~unnamed0~0~false=0, x=27, y=-10} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2890af18=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f6e497=0, ~unnamed0~0~false=0, x=44, y=-11} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 2, 7] Mus: [1, 0] - NonterminatingLassoResult [Line: 17]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] int y; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x + y > 1 Loop: [L17] COND TRUE x > 0 [L18] x = x + x + y [L19] y = y - 1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-21 23:08:35.556 ----------------------------------------------- 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 2020-06-21 23:08:40.851 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check