/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:25:37,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:25:37,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:25:37,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:25:37,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:25:37,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:25:37,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:25:37,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:25:37,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:25:37,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:25:37,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:25:37,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:25:37,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:25:37,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:25:37,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:25:37,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:25:37,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:25:37,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:25:37,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:25:37,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:25:37,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:25:37,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:25:37,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:25:37,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:25:37,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:25:37,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:25:37,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:25:37,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:25:37,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:25:37,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:25:37,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:25:37,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:25:37,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:25:37,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:25:37,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:25:37,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:25:37,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:25:37,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:25:37,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:25:37,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:25:37,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:25:37,369 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:25:37,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:25:37,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:25:37,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:25:37,384 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:25:37,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:25:37,385 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:25:37,385 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:25:37,385 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:25:37,385 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:25:37,386 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:37,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:25:37,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:25:37,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:25:37,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:25:37,387 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:25:37,388 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:25:37,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:25:37,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:25:37,388 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:25:37,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:25:37,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:25:37,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:25:37,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:25:37,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:25:37,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:25:37,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:25:37,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:25:37,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:25:37,568 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:25:37,568 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:25:37,629 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_O0uD4I/tmp/8ea372d5193d47ffb77409e9dd8e6d9e/FLAG5b2006e39 [2020-07-01 12:25:37,956 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:25:37,957 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:25:37,963 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_O0uD4I/tmp/8ea372d5193d47ffb77409e9dd8e6d9e/FLAG5b2006e39 [2020-07-01 12:25:38,360 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_O0uD4I/tmp/8ea372d5193d47ffb77409e9dd8e6d9e [2020-07-01 12:25:38,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:25:38,372 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:25:38,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:25:38,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:25:38,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:25:38,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b874c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38, skipping insertion in model container [2020-07-01 12:25:38,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:25:38,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:25:38,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:25:38,636 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:25:38,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:25:38,665 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:25:38,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38 WrapperNode [2020-07-01 12:25:38,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:25:38,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:25:38,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:25:38,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:25:38,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:25:38,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:25:38,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:25:38,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:25:38,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:25:38,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:25:38,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:25:38,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:25:38,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (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 [2020-07-01 12:25:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:25:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:25:38,935 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:25:38,935 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:25:38,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:38 BoogieIcfgContainer [2020-07-01 12:25:38,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:25:38,939 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:25:38,939 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:25:38,942 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:25:38,943 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:38" (1/1) ... [2020-07-01 12:25:38,954 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-07-01 12:25:38,956 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:25:38,957 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:25:38,957 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:25:38,958 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:25:38,959 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:25:38,960 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:25:38,960 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:25:38,974 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:25:38,981 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 12:25:38,987 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:25:38,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:25:39,002 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 12:25:39,003 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:25:39,005 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:25:39,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:25:39,005 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:25:39,006 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:25:39,006 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-07-01 12:25:39,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:39 BasicIcfg [2020-07-01 12:25:39,007 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:25:39,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:25:39,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:25:39,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:25:39,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:25:38" (1/4) ... [2020-07-01 12:25:39,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374c48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (2/4) ... [2020-07-01 12:25:39,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374c48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:38" (3/4) ... [2020-07-01 12:25:39,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374c48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:39" (4/4) ... [2020-07-01 12:25:39,016 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:25:39,027 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:25:39,035 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:25:39,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:25:39,071 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:25:39,072 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:25:39,072 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:25:39,072 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:25:39,072 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:25:39,072 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:25:39,072 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:25:39,073 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:25:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 12:25:39,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:25:39,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 12:25:39,146 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:25:39,147 INFO L271 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2020-07-01 12:25:39,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:39 BasicIcfg [2020-07-01 12:25:39,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:25:39,156 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:25:39,156 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:25:39,160 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:25:39,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:39,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:25:38" (1/5) ... [2020-07-01 12:25:39,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f32a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:39,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:25:38" (2/5) ... [2020-07-01 12:25:39,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f32a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:39,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:25:38" (3/5) ... [2020-07-01 12:25:39,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f32a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:39,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:25:39" (4/5) ... [2020-07-01 12:25:39,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f32a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:39, skipping insertion in model container [2020-07-01 12:25:39,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:25:39,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:25:39" (5/5) ... [2020-07-01 12:25:39,165 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:25:39,194 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:25:39,194 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:25:39,194 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:25:39,194 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:25:39,194 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:25:39,194 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:25:39,195 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:25:39,195 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:25:39,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:25:39,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:25:39,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:39,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:39,222 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:25:39,222 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:39,222 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:25:39,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:25:39,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:25:39,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:25:39,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:25:39,223 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:25:39,223 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:25:39,228 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~y~0_1 100) (= v_ULTIMATE.start_main_~z~0_1 1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L22-2true [2020-07-01 12:25:39,229 INFO L796 eck$LassoCheckResult]: Loop: 4#L22-2true [24] L22-2-->L22-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_6 (- v_ULTIMATE.start_main_~z~0_7)) (= v_ULTIMATE.start_main_~y~0_6 (+ (* v_ULTIMATE.start_main_~z~0_7 (- 1)) v_ULTIMATE.start_main_~y~0_7)) (= v_ULTIMATE.start_main_~x~0_7 (+ (* v_ULTIMATE.start_main_~y~0_7 (- 1)) v_ULTIMATE.start_main_~x~0_8)) (<= 0 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L22-2true [2020-07-01 12:25:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:39,236 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2020-07-01 12:25:39,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:39,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778922599] [2020-07-01 12:25:39,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:39,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:39,321 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-07-01 12:25:39,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:39,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387357917] [2020-07-01 12:25:39,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:39,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times [2020-07-01 12:25:39,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:25:39,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216292154] [2020-07-01 12:25:39,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:25:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:25:39,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:25:39,439 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:39,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:39,441 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:39,441 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:39,441 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:25:39,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:25:39,441 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:39,441 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:39,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:25:39,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:39,442 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:39,460 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 12:25:39,467 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 12:25:39,489 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 12:25:39,493 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 12:25:39,497 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 12:25:39,621 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:39,622 INFO L404 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 [2020-07-01 12:25:39,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:39,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:39,655 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:25:39,655 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/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 [2020-07-01 12:25:39,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:25:39,690 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-07-01 12:25:39,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:25:39,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:25:39,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:25:39,777 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:25:39,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:25:39,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:25:39,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:25:39,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:25:39,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:25:39,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:25:39,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:25:39,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:25:39,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:25:39,779 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:25:39,781 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 12:25:39,785 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 12:25:39,789 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 12:25:39,810 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 12:25:39,813 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 12:25:39,903 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:25:39,908 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:39,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:39,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:39,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:39,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:39,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:39,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:39,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:39,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:39,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:39,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:39,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:39,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:39,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:39,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:39,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:25:39,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:25:39,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:40,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:25:40,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:25:40,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:40,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:40,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:25:40,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:40,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:25:40,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:25:40,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:25:40,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:25:40,134 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:25:40,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,141 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:25:40,142 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:25:40,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:25:40,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,179 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:25:40,183 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:25:40,183 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:25:40,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:25:40,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:25:40,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:25:40,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:25:40,225 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:25:40,235 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:25:40,235 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:25:40,250 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:25:40,278 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-07-01 12:25:40,278 INFO L444 ModelExtractionUtils]: 7 out of 21 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 12:25:40,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:25:40,291 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2020-07-01 12:25:40,292 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:25:40,293 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~z~0 + 4*ULTIMATE.start_main_~x~0 f1 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [2*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 - 1 >= 0] [2020-07-01 12:25:40,330 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 12:25:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:25:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:40,397 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:25:40,398 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:25:40,411 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-01 12:25:40,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:25:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:25:40,461 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-07-01 12:25:40,466 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-07-01 12:25:40,468 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-07-01 12:25:40,559 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. [2020-07-01 12:25:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 12:25:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 12:25:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2020-07-01 12:25:40,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-01 12:25:40,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:40,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 12:25:40,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:40,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:25:40,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:25:40,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. [2020-07-01 12:25:40,573 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:25:40,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-07-01 12:25:40,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:25:40,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:25:40,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:25:40,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:25:40,578 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:40,578 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:40,578 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:25:40,578 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:25:40,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:25:40,579 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:25:40,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:25:40,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:25:40 BasicIcfg [2020-07-01 12:25:40,585 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:25:40,587 INFO L168 Benchmark]: Toolchain (without parser) took 2214.60 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.6 MB in the beginning and 479.7 MB in the end (delta: 81.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,588 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:25:40,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.35 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.6 MB in the beginning and 656.0 MB in the end (delta: -94.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 692.6 MB. Free memory was 656.0 MB in the beginning and 654.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,591 INFO L168 Benchmark]: Boogie Preprocessor took 19.62 ms. Allocated memory is still 692.6 MB. Free memory was 654.6 MB in the beginning and 653.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,591 INFO L168 Benchmark]: RCFGBuilder took 217.21 ms. Allocated memory is still 692.6 MB. Free memory was 653.3 MB in the beginning and 639.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,592 INFO L168 Benchmark]: BlockEncodingV2 took 67.28 ms. Allocated memory is still 692.6 MB. Free memory was 639.0 MB in the beginning and 634.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,592 INFO L168 Benchmark]: TraceAbstraction took 147.91 ms. Allocated memory is still 692.6 MB. Free memory was 633.6 MB in the beginning and 625.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,593 INFO L168 Benchmark]: BuchiAutomizer took 1428.51 ms. Allocated memory is still 692.6 MB. Free memory was 625.2 MB in the beginning and 479.7 MB in the end (delta: 145.5 MB). Peak memory consumption was 145.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:25:40,597 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 584.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 293.35 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.6 MB in the beginning and 656.0 MB in the end (delta: -94.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 692.6 MB. Free memory was 656.0 MB in the beginning and 654.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.62 ms. Allocated memory is still 692.6 MB. Free memory was 654.6 MB in the beginning and 653.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 217.21 ms. Allocated memory is still 692.6 MB. Free memory was 653.3 MB in the beginning and 639.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 67.28 ms. Allocated memory is still 692.6 MB. Free memory was 639.0 MB in the beginning and 634.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 147.91 ms. Allocated memory is still 692.6 MB. Free memory was 633.6 MB in the beginning and 625.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1428.51 ms. Allocated memory is still 692.6 MB. Free memory was 625.2 MB in the beginning and 479.7 MB in the end (delta: 145.5 MB). Peak memory consumption was 145.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -1 * z + 4 * x > 0 then 1 else 0), (if -1 * z + 4 * x > 0 then -1 * z + 4 * x else 2 * x + 1) and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax141 hnf92 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:25:35.068 ----------------------------------------------- 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/BenchExec_run_O0uD4I/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:25:41.035 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check