/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 13:07:07,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 13:07:07,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 13:07:07,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 13:07:07,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 13:07:07,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 13:07:07,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 13:07:07,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 13:07:07,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 13:07:07,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 13:07:07,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 13:07:07,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 13:07:07,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 13:07:07,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 13:07:07,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 13:07:07,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 13:07:07,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 13:07:07,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 13:07:07,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 13:07:07,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 13:07:07,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 13:07:07,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 13:07:07,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 13:07:07,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 13:07:07,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 13:07:07,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 13:07:07,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 13:07:07,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 13:07:07,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 13:07:07,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 13:07:07,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 13:07:07,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 13:07:07,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 13:07:07,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 13:07:07,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 13:07:07,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 13:07:07,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 13:07:07,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 13:07:07,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 13:07:07,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 13:07:07,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 13:07:07,263 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 13:07:07,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 13:07:07,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 13:07:07,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 13:07:07,279 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 13:07:07,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 13:07:07,279 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:07:07,279 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 13:07:07,279 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 13:07:07,280 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 13:07:07,281 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:07,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 13:07:07,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 13:07:07,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 13:07:07,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 13:07:07,281 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 13:07:07,282 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 13:07:07,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 13:07:07,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 13:07:07,282 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 13:07:07,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 13:07:07,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 13:07:07,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 13:07:07,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 13:07:07,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 13:07:07,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 13:07:07,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 13:07:07,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 13:07:07,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 13:07:07,471 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 13:07:07,472 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 13:07:07,543 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_XvL0ye/tmp/16308cc1ec0c483aa099e326e41e55f3/FLAG704d2867f [2020-07-01 13:07:07,874 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 13:07:07,875 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 13:07:07,881 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_XvL0ye/tmp/16308cc1ec0c483aa099e326e41e55f3/FLAG704d2867f [2020-07-01 13:07:08,279 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_XvL0ye/tmp/16308cc1ec0c483aa099e326e41e55f3 [2020-07-01 13:07:08,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 13:07:08,292 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 13:07:08,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 13:07:08,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 13:07:08,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 13:07:08,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b34259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08, skipping insertion in model container [2020-07-01 13:07:08,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 13:07:08,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 13:07:08,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:07:08,553 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 13:07:08,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:07:08,583 INFO L208 MainTranslator]: Completed translation [2020-07-01 13:07:08,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08 WrapperNode [2020-07-01 13:07:08,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 13:07:08,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 13:07:08,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 13:07:08,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 13:07:08,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 13:07:08,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 13:07:08,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 13:07:08,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 13:07:08,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 13:07:08,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 13:07:08,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 13:07:08,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 13:07:08,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 13:07:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 13:07:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 13:07:08,853 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 13:07:08,854 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 13:07:08,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:07:08 BoogieIcfgContainer [2020-07-01 13:07:08,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 13:07:08,858 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 13:07:08,858 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 13:07:08,860 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 13:07:08,861 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:07:08" (1/1) ... [2020-07-01 13:07:08,874 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 13:07:08,875 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 13:07:08,876 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 13:07:08,877 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 13:07:08,877 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:07:08,878 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 13:07:08,879 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 13:07:08,880 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 13:07:08,897 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 13:07:08,910 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 13:07:08,914 INFO L70 emoveInfeasibleEdges]: Removed 5 edges and 4 locations because of local infeasibility [2020-07-01 13:07:08,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:07:08,917 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 13:07:08,919 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 13:07:08,920 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 13:07:08,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:07:08,920 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 13:07:08,921 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 13:07:08,921 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 13:07:08,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:07:08 BasicIcfg [2020-07-01 13:07:08,922 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 13:07:08,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 13:07:08,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 13:07:08,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 13:07:08,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 01:07:08" (1/4) ... [2020-07-01 13:07:08,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1986d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:07:08, skipping insertion in model container [2020-07-01 13:07:08,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (2/4) ... [2020-07-01 13:07:08,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1986d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:07:08, skipping insertion in model container [2020-07-01 13:07:08,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:07:08" (3/4) ... [2020-07-01 13:07:08,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1986d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:07:08, skipping insertion in model container [2020-07-01 13:07:08,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:07:08" (4/4) ... [2020-07-01 13:07:08,929 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:07:08,940 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 13:07:08,947 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 13:07:08,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 13:07:08,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 13:07:08,984 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 13:07:08,984 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:07:08,984 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:07:08,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:07:08,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 13:07:08,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:07:08,985 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 13:07:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 13:07:09,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 13:07:09,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 13:07:09,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 13:07:09,058 INFO L268 CegarLoopResult]: For program point L12(lines 12 17) no Hoare annotation was computed. [2020-07-01 13:07:09,058 INFO L271 CegarLoopResult]: At program point L12-2(lines 11 18) the Hoare annotation is: true [2020-07-01 13:07:09,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:07:09 BasicIcfg [2020-07-01 13:07:09,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 13:07:09,067 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 13:07:09,067 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 13:07:09,071 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 13:07:09,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:07:09,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 01:07:08" (1/5) ... [2020-07-01 13:07:09,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:07:09, skipping insertion in model container [2020-07-01 13:07:09,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:07:09,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:07:08" (2/5) ... [2020-07-01 13:07:09,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:07:09, skipping insertion in model container [2020-07-01 13:07:09,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:07:09,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:07:08" (3/5) ... [2020-07-01 13:07:09,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:07:09, skipping insertion in model container [2020-07-01 13:07:09,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:07:09,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:07:08" (4/5) ... [2020-07-01 13:07:09,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:07:09, skipping insertion in model container [2020-07-01 13:07:09,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:07:09,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:07:09" (5/5) ... [2020-07-01 13:07:09,076 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:07:09,103 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 13:07:09,104 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 13:07:09,104 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:07:09,104 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:07:09,104 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:07:09,104 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 13:07:09,105 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:07:09,105 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 13:07:09,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 13:07:09,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:07:09,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:07:09,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:07:09,131 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:07:09,131 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:07:09,131 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 13:07:09,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 13:07:09,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:07:09,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:07:09,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:07:09,132 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:07:09,132 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:07:09,137 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 3#L12-2true [2020-07-01 13:07:09,138 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [35] L12-2-->L12: Formula: (< 0 v_rep~unnamed0~0~true_1) InVars {v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} OutVars{v_rep~unnamed0~0~true_1=v_rep~unnamed0~0~true_1} AuxVars[] AssignedVars[] 5#L12true [34] L12-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_7 (+ v_ULTIMATE.start_main_~j~0_8 1)) (>= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~j~0_8) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0] 3#L12-2true [2020-07-01 13:07:09,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:07:09,144 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-07-01 13:07:09,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:07:09,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216600519] [2020-07-01 13:07:09,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:07:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:07:09,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:07:09,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times [2020-07-01 13:07:09,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:07:09,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668593031] [2020-07-01 13:07:09,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:07:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,242 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:07:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:07:09,243 INFO L82 PathProgramCache]: Analyzing trace with hash 56857, now seen corresponding path program 1 times [2020-07-01 13:07:09,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:07:09,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685735296] [2020-07-01 13:07:09,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:07:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:07:09,257 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:07:09,318 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:07:09,319 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:07:09,319 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:07:09,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:07:09,320 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:07:09,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:07:09,320 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:07:09,320 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 13:07:09,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:07:09,321 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:07:09,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,486 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:07:09,487 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,505 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,505 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 [2020-07-01 13:07:09,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,544 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,545 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 [2020-07-01 13:07:09,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,583 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,584 INFO L440 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/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,618 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:07:09,657 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-5, ULTIMATE.start_main_~i~0=-4}, {ULTIMATE.start_main_~j~0=-1, ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~j~0=7, ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 8, 1] Nus: [0, 1] [2020-07-01 13:07:09,766 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:07:09,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:07:09,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:07:09,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:07:09,766 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:07:09,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:07:09,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:07:09,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 13:07:09,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:07:09,767 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:07:09,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:07:09,920 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:07:09,920 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,930 INFO L440 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/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:09,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:09,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:09,968 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:09,969 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 [2020-07-01 13:07:10,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:10,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:10,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:10,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 [2020-07-01 13:07:10,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:10,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:10,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:10,044 INFO L440 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/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:10,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:10,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:10,083 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:10,083 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 [2020-07-01 13:07:10,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:10,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:10,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:10,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:10,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:07:10,156 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:07:10,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:07:10,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:07:10,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:07:10,257 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~i~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-5, ULTIMATE.start_main_~i~0=-4}, {ULTIMATE.start_main_~j~0=-1, ULTIMATE.start_main_~i~0=-1}, {ULTIMATE.start_main_~j~0=7, ULTIMATE.start_main_~i~0=7}] Lambdas: [1, 8, 1] Nus: [0, 1] [2020-07-01 13:07:10,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:07:10 BasicIcfg [2020-07-01 13:07:10,313 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 13:07:10,316 INFO L168 Benchmark]: Toolchain (without parser) took 2023.69 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 561.8 MB in the beginning and 515.9 MB in the end (delta: 45.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,316 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 583.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 13:07:10,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.25 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 561.8 MB in the beginning and 652.8 MB in the end (delta: -91.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 688.9 MB. Free memory was 651.7 MB in the beginning and 650.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,318 INFO L168 Benchmark]: Boogie Preprocessor took 19.40 ms. Allocated memory is still 688.9 MB. Free memory was 650.6 MB in the beginning and 649.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,319 INFO L168 Benchmark]: RCFGBuilder took 218.83 ms. Allocated memory is still 688.9 MB. Free memory was 649.6 MB in the beginning and 635.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,320 INFO L168 Benchmark]: BlockEncodingV2 took 63.76 ms. Allocated memory is still 688.9 MB. Free memory was 635.7 MB in the beginning and 630.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,320 INFO L168 Benchmark]: TraceAbstraction took 143.93 ms. Allocated memory is still 688.9 MB. Free memory was 630.3 MB in the beginning and 621.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,321 INFO L168 Benchmark]: BuchiAutomizer took 1246.01 ms. Allocated memory is still 688.9 MB. Free memory was 621.6 MB in the beginning and 515.9 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 50.3 GB. [2020-07-01 13:07:10,325 INFO L336 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 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 583.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 291.25 ms. Allocated memory was 649.6 MB in the beginning and 688.9 MB in the end (delta: 39.3 MB). Free memory was 561.8 MB in the beginning and 652.8 MB in the end (delta: -91.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 688.9 MB. Free memory was 651.7 MB in the beginning and 650.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.40 ms. Allocated memory is still 688.9 MB. Free memory was 650.6 MB in the beginning and 649.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 218.83 ms. Allocated memory is still 688.9 MB. Free memory was 649.6 MB in the beginning and 635.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 63.76 ms. Allocated memory is still 688.9 MB. Free memory was 635.7 MB in the beginning and 630.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 143.93 ms. Allocated memory is still 688.9 MB. Free memory was 630.3 MB in the beginning and 621.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1246.01 ms. Allocated memory is still 688.9 MB. Free memory was 621.6 MB in the beginning and 515.9 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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 1.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: inital18 mio100 ax166 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 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: 11]: Nontermination argument in form of an infinite program execution. [2020-07-01 13:07:10,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-07-01 13:07:10,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-07-01 13:07:10,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bd486d0=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f404290=0, ~unnamed0~0~false=0, i=0, j=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bd486d0=0, ~unnamed0~0~true=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f404290=0, ~unnamed0~0~false=0, i=0, j=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bd486d0=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f404290=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, i=0 + sum_{k=0}^i -4 + -1*8^k + 7 + 7*k*8^(k-1), j=0 + sum_{k=0}^i -5 + -1*8^k + 7 + 7*k*8^(k-1)} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 8, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 11]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] i = __VERIFIER_nondet_int() [L9] j = __VERIFIER_nondet_int() Loop: [L11] COND TRUE \read(true) [L12] COND FALSE !(i < j) [L15] j = j+1 [L16] i = i+2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 13:07:05.040 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_XvL0ye/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 13:07:10.568 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check