/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:32:40,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:32:40,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:32:40,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:32:40,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:32:40,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:32:40,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:32:40,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:32:40,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:32:40,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:32:40,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:32:40,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:32:40,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:32:40,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:32:40,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:32:40,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:32:40,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:32:40,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:32:40,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:32:40,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:32:40,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:32:40,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:32:40,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:32:40,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:32:40,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:32:40,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:32:40,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:32:40,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:32:40,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:32:40,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:32:40,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:32:40,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:32:40,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:32:40,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:32:40,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:32:40,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:32:40,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:32:40,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:32:40,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:32:40,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:32:40,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:32:40,195 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:32:40,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:32:40,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:32:40,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:32:40,211 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:32:40,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:32:40,211 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:32:40,211 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:32:40,211 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:32:40,211 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:32:40,212 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:32:40,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:32:40,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:32:40,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:32:40,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:32:40,213 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:32:40,213 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:32:40,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:32:40,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:32:40,214 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:32:40,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:32:40,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:32:40,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:32:40,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:32:40,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:32:40,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:32:40,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:32:40,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:32:40,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:32:40,395 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:32:40,396 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:32:40,503 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Cg5CgL/tmp/63da81a77f2b401b8389997c736f1b6e/FLAGed243c3cf [2020-07-01 10:32:41,080 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:32:41,081 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:32:41,088 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_Cg5CgL/tmp/63da81a77f2b401b8389997c736f1b6e/FLAGed243c3cf [2020-07-01 10:32:41,488 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_Cg5CgL/tmp/63da81a77f2b401b8389997c736f1b6e [2020-07-01 10:32:41,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:32:41,523 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:32:41,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:32:41,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:32:41,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:32:41,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11563e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41, skipping insertion in model container [2020-07-01 10:32:41,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:32:41,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:32:41,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:32:41,773 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:32:41,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:32:41,802 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:32:41,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41 WrapperNode [2020-07-01 10:32:41,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:32:41,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:32:41,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:32:41,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:32:41,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:32:41,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:32:41,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:32:41,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:32:41,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (1/1) ... [2020-07-01 10:32:41,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:32:41,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:32:41,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:32:41,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:32:41,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (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 10:32:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:32:41,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:32:42,086 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:32:42,086 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 10:32:42,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:42 BoogieIcfgContainer [2020-07-01 10:32:42,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:32:42,090 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:32:42,090 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:32:42,092 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:32:42,093 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:42" (1/1) ... [2020-07-01 10:32:42,105 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2020-07-01 10:32:42,107 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:32:42,107 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:32:42,108 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:32:42,108 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:32:42,110 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:32:42,111 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:32:42,111 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:32:42,125 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:32:42,139 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 10:32:42,143 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:32:42,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:32:42,157 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:32:42,159 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 10:32:42,160 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:32:42,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:32:42,160 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:32:42,161 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:32:42,161 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2020-07-01 10:32:42,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:32:42 BasicIcfg [2020-07-01 10:32:42,162 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:32:42,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:32:42,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:32:42,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:32:42,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:32:41" (1/4) ... [2020-07-01 10:32:42,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (2/4) ... [2020-07-01 10:32:42,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:42" (3/4) ... [2020-07-01 10:32:42,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:32:42" (4/4) ... [2020-07-01 10:32:42,170 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:32:42,180 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:32:42,187 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:32:42,201 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:32:42,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:32:42,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:32:42,224 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:32:42,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:32:42,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:32:42,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:32:42,224 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:32:42,224 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:32:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2020-07-01 10:32:42,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:32:42,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-07-01 10:32:42,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:32:42,298 INFO L268 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-07-01 10:32:42,298 INFO L268 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-07-01 10:32:42,298 INFO L271 CegarLoopResult]: At program point L20-2(lines 20 28) the Hoare annotation is: true [2020-07-01 10:32:42,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:32:42 BasicIcfg [2020-07-01 10:32:42,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:32:42,307 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:32:42,308 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:32:42,311 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:32:42,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:32:42,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:32:41" (1/5) ... [2020-07-01 10:32:42,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765f786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:32:42,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:32:41" (2/5) ... [2020-07-01 10:32:42,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765f786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:32:42,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:32:42" (3/5) ... [2020-07-01 10:32:42,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765f786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:32:42,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:32:42" (4/5) ... [2020-07-01 10:32:42,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765f786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:32:42, skipping insertion in model container [2020-07-01 10:32:42,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:32:42,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:32:42" (5/5) ... [2020-07-01 10:32:42,316 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:32:42,344 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:32:42,345 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:32:42,345 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:32:42,345 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:32:42,345 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:32:42,345 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:32:42,345 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:32:42,346 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:32:42,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-01 10:32:42,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 10:32:42,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:32:42,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:32:42,371 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:32:42,371 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 10:32:42,371 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:32:42,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-01 10:32:42,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 10:32:42,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:32:42,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:32:42,373 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:32:42,373 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 10:32:42,378 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L20-2true [2020-07-01 10:32:42,378 INFO L796 eck$LassoCheckResult]: Loop: 5#L20-2true [31] L20-2-->L21: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 3#L21true [37] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_6)) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 6#L21-2true [33] L21-2-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_4 (+ v_ULTIMATE.start_main_~z~0_5 v_ULTIMATE.start_main_~y~0_5)) (= v_ULTIMATE.start_main_~z~0_4 (+ v_ULTIMATE.start_main_~z~0_5 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 5#L20-2true [2020-07-01 10:32:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:32:42,385 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-07-01 10:32:42,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:32:42,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222885280] [2020-07-01 10:32:42,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:32:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,457 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:32:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:32:42,459 INFO L82 PathProgramCache]: Analyzing trace with hash 60762, now seen corresponding path program 1 times [2020-07-01 10:32:42,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:32:42,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818595778] [2020-07-01 10:32:42,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:32:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:32:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:32:42,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1758849, now seen corresponding path program 1 times [2020-07-01 10:32:42,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:32:42,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954696363] [2020-07-01 10:32:42,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:32:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:32:42,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:32:42,558 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:32:42,558 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:32:42,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:32:42,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:32:42,559 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 10:32:42,559 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:32:42,559 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:32:42,559 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:32:42,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:32:42,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:32:42,560 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:32:42,578 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 10:32:42,601 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 10:32:42,697 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:32:42,698 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 10:32:42,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:32:42,707 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 10:32:42,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:32:42,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:32:42,972 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 10:32:42,975 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:32:42,975 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:32:42,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:32:42,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:32:42,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 10:32:42,976 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:32:42,976 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:32:42,976 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:32:42,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:32:42,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:32:42,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:32:42,978 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 10:32:42,996 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 10:32:43,057 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:32:43,063 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:32:43,067 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 10:32:43,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:32:43,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:32:43,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:32:43,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:32:43,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:32:43,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:32:43,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:32:43,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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 10:32:43,113 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 10:32:43,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:32:43,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:32:43,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:32:43,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:32:43,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:32:43,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:32:43,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:32:43,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 10:32:43,149 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/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 10:32:43,151 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 10:32:43,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:32:43,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:32:43,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:32:43,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:32:43,155 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 10:32:43,158 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 10:32:43,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:32:43,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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 10:32:43,196 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 10:32:43,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:32:43,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:32:43,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:32:43,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:32:43,199 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 10:32:43,200 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 10:32:43,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:32:43,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 10:32:43,233 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox2/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 10:32:43,239 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 10:32:43,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:32:43,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:32:43,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:32:43,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:32:43,243 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 10:32:43,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 10:32:43,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:32:43,254 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 10:32:43,266 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 10:32:43,266 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /export/starexec/sandbox2/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 10:32:43,273 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 10:32:43,273 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 10:32:43,274 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 10:32:43,275 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2020-07-01 10:32:43,309 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 10:32:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:32:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:32:43,356 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 10:32:43,357 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:32:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:32:43,373 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 10:32:43,374 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:32:43,669 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-01 10:32:43,696 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:43,699 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:43,774 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 10:32:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:32:44,437 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 10:32:44,438 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:32:44,445 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,447 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,448 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,452 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,454 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 10:32:44,455 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-01 10:32:44,457 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-01 10:32:44,459 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-01 10:32:44,461 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,462 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:44,464 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 10:32:45,355 INFO L98 LoopCannibalizer]: 22 predicates before loop cannibalization 39 predicates after loop cannibalization [2020-07-01 10:32:45,360 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 39 loop predicates [2020-07-01 10:32:45,362 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. [2020-07-01 10:32:45,734 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2020-07-01 10:32:45,960 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-07-01 10:32:46,117 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 16 states and 23 transitions. Complement of second has 14 states. [2020-07-01 10:32:46,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2020-07-01 10:32:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-01 10:32:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 19 transitions. [2020-07-01 10:32:46,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. [2020-07-01 10:32:46,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:32:46,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-01 10:32:46,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:32:46,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. [2020-07-01 10:32:46,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:32:46,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2020-07-01 10:32:46,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 10:32:46,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2020-07-01 10:32:46,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 10:32:46,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 10:32:46,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 10:32:46,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 10:32:46,137 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:32:46,137 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:32:46,137 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:32:46,137 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 10:32:46,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 10:32:46,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 10:32:46,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 10:32:46,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:32:46 BasicIcfg [2020-07-01 10:32:46,143 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:32:46,145 INFO L168 Benchmark]: Toolchain (without parser) took 4622.56 ms. Allocated memory was 514.9 MB in the beginning and 632.8 MB in the end (delta: 118.0 MB). Free memory was 436.9 MB in the beginning and 527.7 MB in the end (delta: -90.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,146 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 455.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:32:46,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.32 ms. Allocated memory was 514.9 MB in the beginning and 552.6 MB in the end (delta: 37.7 MB). Free memory was 436.9 MB in the beginning and 521.3 MB in the end (delta: -84.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.80 ms. Allocated memory is still 552.6 MB. Free memory was 520.6 MB in the beginning and 519.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,148 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 ms. Allocated memory is still 552.6 MB. Free memory was 519.3 MB in the beginning and 517.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,149 INFO L168 Benchmark]: RCFGBuilder took 232.98 ms. Allocated memory is still 552.6 MB. Free memory was 517.9 MB in the beginning and 506.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,149 INFO L168 Benchmark]: BlockEncodingV2 took 71.62 ms. Allocated memory is still 552.6 MB. Free memory was 506.5 MB in the beginning and 500.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,150 INFO L168 Benchmark]: TraceAbstraction took 143.97 ms. Allocated memory is still 552.6 MB. Free memory was 499.9 MB in the beginning and 491.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,150 INFO L168 Benchmark]: BuchiAutomizer took 3836.09 ms. Allocated memory was 552.6 MB in the beginning and 632.8 MB in the end (delta: 80.2 MB). Free memory was 491.5 MB in the beginning and 527.7 MB in the end (delta: -36.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:32:46,154 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 10 edges - StatisticsResult: Encoded RCFG 4 locations, 6 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 455.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 279.32 ms. Allocated memory was 514.9 MB in the beginning and 552.6 MB in the end (delta: 37.7 MB). Free memory was 436.9 MB in the beginning and 521.3 MB in the end (delta: -84.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.80 ms. Allocated memory is still 552.6 MB. Free memory was 520.6 MB in the beginning and 519.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.91 ms. Allocated memory is still 552.6 MB. Free memory was 519.3 MB in the beginning and 517.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 232.98 ms. Allocated memory is still 552.6 MB. Free memory was 517.9 MB in the beginning and 506.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 71.62 ms. Allocated memory is still 552.6 MB. Free memory was 506.5 MB in the beginning and 500.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 143.97 ms. Allocated memory is still 552.6 MB. Free memory was 499.9 MB in the beginning and 491.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3836.09 ms. Allocated memory was 552.6 MB in the beginning and 632.8 MB in the end (delta: 80.2 MB). Free memory was 491.5 MB in the beginning and 527.7 MB in the end (delta: -36.2 MB). Peak memory consumption was 44.0 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: 20]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 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=4occurred 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 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.1s. Büchi inclusion checks took 2.6s. 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: 4 SDtfs, 64 SDslu, 0 SDs, 0 SdLazy, 69 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 10:32:37.498 ----------------------------------------------- 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_Cg5CgL/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:32:46.390 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check