/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 12:06:38,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:06:38,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:06:38,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:06:38,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:06:38,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:06:38,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:06:38,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:06:38,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:06:38,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:06:38,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:06:38,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:06:38,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:06:38,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:06:38,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:06:38,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:06:38,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:06:38,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:06:38,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:06:38,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:06:38,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:06:38,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:06:38,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:06:38,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:06:38,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:06:38,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:06:38,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:06:38,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:06:38,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:06:38,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:06:38,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:06:38,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:06:38,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:06:38,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:06:38,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:06:38,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:06:38,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:06:38,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:06:38,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:06:38,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:06:38,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:06:38,193 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:06:38,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:06:38,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:06:38,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:06:38,209 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:06:38,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:06:38,210 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:06:38,210 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:06:38,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:06:38,210 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:06:38,210 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:06:38,210 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:06:38,211 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:06:38,211 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:06:38,211 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:06:38,211 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:06:38,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:06:38,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:06:38,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:06:38,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:06:38,212 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:06:38,212 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:06:38,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:06:38,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:06:38,213 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:06:38,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:06:38,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:06:38,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:06:38,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:06:38,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:06:38,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:06:38,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:06:38,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:06:38,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:06:38,396 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:06:38,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:06:38,459 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_Z4pJyP/tmp/db4589cb9457476294eec9e778c710d7/FLAG65e2fb5fb [2020-07-01 12:06:38,805 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:06:38,806 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:06:38,813 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_Z4pJyP/tmp/db4589cb9457476294eec9e778c710d7/FLAG65e2fb5fb [2020-07-01 12:06:39,261 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_Z4pJyP/tmp/db4589cb9457476294eec9e778c710d7 [2020-07-01 12:06:39,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:06:39,274 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:06:39,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:06:39,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:06:39,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:06:39,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4eec0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39, skipping insertion in model container [2020-07-01 12:06:39,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:06:39,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:06:39,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:06:39,533 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:06:39,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:06:39,563 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:06:39,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39 WrapperNode [2020-07-01 12:06:39,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:06:39,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:06:39,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:06:39,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:06:39,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:06:39,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:06:39,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:06:39,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:06:39,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:06:39,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:06:39,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:06:39,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:06:39,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:06:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2020-07-01 12:06:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2020-07-01 12:06:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:06:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:06:39,862 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:06:39,863 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-01 12:06:39,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:39 BoogieIcfgContainer [2020-07-01 12:06:39,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:06:39,867 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:06:39,867 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:06:39,869 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:06:39,870 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:39" (1/1) ... [2020-07-01 12:06:39,885 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 18 edges [2020-07-01 12:06:39,887 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:06:39,887 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:06:39,888 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:06:39,888 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:06:39,890 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:06:39,891 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:06:39,891 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:06:39,905 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:06:39,913 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 12:06:39,918 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:06:39,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:06:39,928 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:06:39,930 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 12:06:39,932 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:06:39,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:06:39,933 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:06:39,933 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:06:39,933 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 14 edges [2020-07-01 12:06:39,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:39 BasicIcfg [2020-07-01 12:06:39,934 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:06:39,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:06:39,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:06:39,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:06:39,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:06:39" (1/4) ... [2020-07-01 12:06:39,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe9146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:06:39, skipping insertion in model container [2020-07-01 12:06:39,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (2/4) ... [2020-07-01 12:06:39,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe9146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:06:39, skipping insertion in model container [2020-07-01 12:06:39,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:39" (3/4) ... [2020-07-01 12:06:39,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffe9146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:39, skipping insertion in model container [2020-07-01 12:06:39,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:39" (4/4) ... [2020-07-01 12:06:39,943 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:06:39,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:06:39,961 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:06:39,975 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:06:40,001 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:06:40,002 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:06:40,002 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:06:40,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:06:40,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:06:40,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:06:40,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:06:40,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:06:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-01 12:06:40,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:06:40,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-07-01 12:06:40,094 INFO L271 CegarLoopResult]: At program point loopENTRY(lines 36 42) the Hoare annotation is: true [2020-07-01 12:06:40,094 INFO L271 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: true [2020-07-01 12:06:40,094 INFO L268 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-07-01 12:06:40,094 INFO L268 CegarLoopResult]: For program point L37-1(lines 36 42) no Hoare annotation was computed. [2020-07-01 12:06:40,094 INFO L268 CegarLoopResult]: For program point loopEXIT(lines 36 42) no Hoare annotation was computed. [2020-07-01 12:06:40,095 INFO L271 CegarLoopResult]: At program point L33(lines 28 34) the Hoare annotation is: true [2020-07-01 12:06:40,095 INFO L271 CegarLoopResult]: At program point L33-1(lines 28 34) the Hoare annotation is: true [2020-07-01 12:06:40,095 INFO L268 CegarLoopResult]: For program point L30(lines 30 33) no Hoare annotation was computed. [2020-07-01 12:06:40,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:06:40,095 INFO L268 CegarLoopResult]: For program point L30-1(lines 30 33) no Hoare annotation was computed. [2020-07-01 12:06:40,096 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-01 12:06:40,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:40 BasicIcfg [2020-07-01 12:06:40,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:06:40,106 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:06:40,106 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:06:40,111 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:06:40,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:40,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:06:39" (1/5) ... [2020-07-01 12:06:40,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc31a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:06:40, skipping insertion in model container [2020-07-01 12:06:40,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:40,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:06:39" (2/5) ... [2020-07-01 12:06:40,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc31a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:06:40, skipping insertion in model container [2020-07-01 12:06:40,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:40,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:06:39" (3/5) ... [2020-07-01 12:06:40,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc31a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:06:40, skipping insertion in model container [2020-07-01 12:06:40,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:40,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:06:39" (4/5) ... [2020-07-01 12:06:40,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc31a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:06:40, skipping insertion in model container [2020-07-01 12:06:40,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:06:40,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:06:40" (5/5) ... [2020-07-01 12:06:40,117 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:06:40,144 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:06:40,144 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:06:40,144 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:06:40,144 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:06:40,144 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:06:40,145 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:06:40,145 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:06:40,145 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:06:40,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 12:06:40,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 12:06:40,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:06:40,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:06:40,174 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-01 12:06:40,174 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 12:06:40,174 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:06:40,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-01 12:06:40,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 12:06:40,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:06:40,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:06:40,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-01 12:06:40,176 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 12:06:40,182 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L30: 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_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_6|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_3|} 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_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 13#L30true [38] L30-->L33: Formula: (and (= |v_ULTIMATE.start_random_#res_7| (- v_ULTIMATE.start_random_~x~1_7)) (< v_ULTIMATE.start_random_~x~1_7 0)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 8#L33true [46] L33-->L30-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_1| |v_ULTIMATE.start_random_#res_2|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_2|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 11#L30-1true [53] L30-1-->L33-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_4 0) (= |v_ULTIMATE.start_random_#res_4| v_ULTIMATE.start_random_~x~1_4)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 6#L33-1true [42] L33-1-->L24: Formula: (= |v_ULTIMATE.start_main_#t~ret4_1| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 12#L24true [48] L24-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_2| (- |v_ULTIMATE.start_main_#t~ret4_5|)) (= |v_loop_#in~aInParam_2| (- |v_ULTIMATE.start_main_#t~ret3_5|))) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue [2020-07-01 12:06:40,182 INFO L796 eck$LassoCheckResult]: Loop: 3#loopENTRYtrue [34] loopENTRY-->L37: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 7#L37true [43] L37-->L40: Formula: (and (= v_loop_~a_2 (+ v_loop_~a_3 1)) (< v_loop_~b_3 v_loop_~a_3) (= v_loop_~b_2 (+ v_loop_~b_3 v_loop_~a_3))) InVars {loop_~b=v_loop_~b_3, loop_~a=v_loop_~a_3} OutVars{loop_~b=v_loop_~b_2, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~b, loop_~a] 4#L40true [35] L40-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_1| v_loop_~b_6) (= |v_loop_#in~aInParam_1| v_loop_~a_6)) InVars {loop_~b=v_loop_~b_6, loop_~a=v_loop_~a_6} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue [2020-07-01 12:06:40,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:40,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2097815339, now seen corresponding path program 1 times [2020-07-01 12:06:40,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:06:40,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531891972] [2020-07-01 12:06:40,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:06:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:06:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash 63833, now seen corresponding path program 1 times [2020-07-01 12:06:40,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:06:40,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925526128] [2020-07-01 12:06:40,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:06:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,312 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:06:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:40,314 INFO L82 PathProgramCache]: Analyzing trace with hash -52325905, now seen corresponding path program 1 times [2020-07-01 12:06:40,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:06:40,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578942436] [2020-07-01 12:06:40,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:06:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:06:40,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:06:40,441 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:06:40,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:06:40,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:06:40,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:06:40,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:06:40,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:06:40,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:06:40,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:06:40,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:06:40,443 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:06:40,444 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:06:40,459 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 12:06:40,466 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 12:06:40,469 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 12:06:40,537 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:06:40,537 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 12:06:40,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:06:40,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:06:40,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:06:40,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~b=0} Honda state: {loop_~b=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 12:06:40,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:06:40,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:06:40,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:06:40,599 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~a=0} Honda state: {loop_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:06:40,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:06:40,634 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:06:40,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:06:40,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:06:40,832 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:06:40,834 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:06:40,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:06:40,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:06:40,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:06:40,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:06:40,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:06:40,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:06:40,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:06:40,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:06:40,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:06:40,836 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:06:40,837 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 12:06:40,842 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 12:06:40,845 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 12:06:40,898 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:06:40,903 INFO L489 LassoAnalysis]: Using template 'affine'. 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 12:06:40,909 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 12:06:40,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:40,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:40,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:40,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:40,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:06:40,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:06:40,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:40,919 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 12:06:40,953 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 12:06:40,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:40,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:40,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:40,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:40,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:06:40,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:06:40,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:40,959 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 12:06:40,992 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 12:06:40,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:40,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:40,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:40,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:40,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:06:40,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:06:40,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:41,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:06:41,031 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 12:06:41,036 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 12:06:41,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:41,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:41,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:41,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:41,039 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:06:41,040 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:06:41,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:41,043 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 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 12:06:41,077 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 12:06:41,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:41,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:41,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:41,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:41,079 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:06:41,081 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:06:41,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:41,084 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 12:06:41,118 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 12:06:41,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:06:41,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:06:41,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:06:41,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:06:41,121 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:06:41,124 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:06:41,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:06:41,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:06:41,138 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-01 12:06:41,139 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. 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 12:06:41,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:06:41,150 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:06:41,150 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:06:41,151 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*loop_#in~a + 3 f1 = -2*loop_#in~b + 2*loop_#in~a Supporting invariants [] [2020-07-01 12:06:41,185 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:06:41,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:06:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:06:41,263 INFO L264 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:06:41,265 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:06:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:06:41,292 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-01 12:06:41,293 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:06:41,310 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 12:06:41,402 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 12:06:41,454 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 12:06:41,819 INFO L98 LoopCannibalizer]: 14 predicates before loop cannibalization 14 predicates after loop cannibalization [2020-07-01 12:06:41,824 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 14 loop predicates [2020-07-01 12:06:41,826 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 4 states. [2020-07-01 12:06:42,163 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 4 states. Result 40 states and 46 transitions. Complement of second has 19 states. [2020-07-01 12:06:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-07-01 12:06:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-01 12:06:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2020-07-01 12:06:42,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-01 12:06:42,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:06:42,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-07-01 12:06:42,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:06:42,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-07-01 12:06:42,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:06:42,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. [2020-07-01 12:06:42,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:06:42,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2020-07-01 12:06:42,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:06:42,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:06:42,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:06:42,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:06:42,195 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:06:42,195 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:06:42,195 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:06:42,196 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:06:42,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:06:42,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:06:42,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:06:42,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:06:42 BasicIcfg [2020-07-01 12:06:42,202 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:06:42,205 INFO L168 Benchmark]: Toolchain (without parser) took 2929.58 ms. Allocated memory was 649.6 MB in the beginning and 685.8 MB in the end (delta: 36.2 MB). Free memory was 556.3 MB in the beginning and 401.1 MB in the end (delta: 155.1 MB). Peak memory consumption was 191.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,205 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:06:42,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.48 ms. Allocated memory was 649.6 MB in the beginning and 685.8 MB in the end (delta: 36.2 MB). Free memory was 556.3 MB in the beginning and 650.2 MB in the end (delta: -93.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.98 ms. Allocated memory is still 685.8 MB. Free memory was 650.2 MB in the beginning and 647.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,208 INFO L168 Benchmark]: Boogie Preprocessor took 34.85 ms. Allocated memory is still 685.8 MB. Free memory was 647.5 MB in the beginning and 646.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,208 INFO L168 Benchmark]: RCFGBuilder took 233.05 ms. Allocated memory is still 685.8 MB. Free memory was 646.2 MB in the beginning and 630.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,209 INFO L168 Benchmark]: BlockEncodingV2 took 67.35 ms. Allocated memory is still 685.8 MB. Free memory was 630.5 MB in the beginning and 626.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,209 INFO L168 Benchmark]: TraceAbstraction took 169.98 ms. Allocated memory is still 685.8 MB. Free memory was 625.1 MB in the beginning and 615.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,210 INFO L168 Benchmark]: BuchiAutomizer took 2095.77 ms. Allocated memory is still 685.8 MB. Free memory was 615.6 MB in the beginning and 401.1 MB in the end (delta: 214.4 MB). Peak memory consumption was 214.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:06:42,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 15 locations, 18 edges - StatisticsResult: Encoded RCFG 11 locations, 14 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 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 288.48 ms. Allocated memory was 649.6 MB in the beginning and 685.8 MB in the end (delta: 36.2 MB). Free memory was 556.3 MB in the beginning and 650.2 MB in the end (delta: -93.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.98 ms. Allocated memory is still 685.8 MB. Free memory was 650.2 MB in the beginning and 647.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 34.85 ms. Allocated memory is still 685.8 MB. Free memory was 647.5 MB in the beginning and 646.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 233.05 ms. Allocated memory is still 685.8 MB. Free memory was 646.2 MB in the beginning and 630.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 67.35 ms. Allocated memory is still 685.8 MB. Free memory was 630.5 MB in the beginning and 626.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. * TraceAbstraction took 169.98 ms. Allocated memory is still 685.8 MB. Free memory was 625.1 MB in the beginning and 615.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2095.77 ms. Allocated memory is still 685.8 MB. Free memory was 615.6 MB in the beginning and 401.1 MB in the end (delta: 214.4 MB). Peak memory consumption was 214.4 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: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 11 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=11occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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 -2 * \old(a) + 3 > 0 then 1 else 0), (if -2 * \old(a) + 3 > 0 then -2 * \old(a) + 3 else -2 * \old(b) + 2 * \old(a)) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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: 13 SDtfs, 35 SDslu, 13 SDs, 0 SdLazy, 36 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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 12:06:35.919 ----------------------------------------------- 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_Z4pJyP/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:06:42.649 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check