/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:47:52,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:47:52,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:47:52,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:47:52,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:47:52,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:47:52,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:47:52,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:47:52,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:47:52,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:47:52,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:47:52,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:47:52,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:47:52,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:47:52,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:47:52,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:47:52,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:47:52,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:47:52,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:47:52,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:47:52,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:47:52,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:47:52,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:47:52,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:47:52,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:47:52,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:47:52,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:47:52,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:47:52,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:47:52,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:47:52,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:47:52,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:47:52,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:47:52,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:47:52,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:47:52,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:47:52,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:47:52,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:47:52,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:47:52,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:47:52,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:47:52,327 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:47:52,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:47:52,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:47:52,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:47:52,343 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:47:52,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:47:52,343 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:47:52,343 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:47:52,343 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:47:52,344 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:47:52,345 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:47:52,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:47:52,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:47:52,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:47:52,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:47:52,345 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:47:52,346 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:47:52,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:47:52,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:47:52,346 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:47:52,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:47:52,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:47:52,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:47:52,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:47:52,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:47:52,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:47:52,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:47:52,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:47:52,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:47:52,531 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:47:52,532 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:47:52,589 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_cVp37q/tmp/6193eb5c2d7548a3b94e7519ff340887/FLAGed5bf3de1 [2020-07-01 11:47:52,927 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:47:52,928 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:47:52,934 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_cVp37q/tmp/6193eb5c2d7548a3b94e7519ff340887/FLAGed5bf3de1 [2020-07-01 11:47:53,330 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_cVp37q/tmp/6193eb5c2d7548a3b94e7519ff340887 [2020-07-01 11:47:53,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:47:53,343 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:47:53,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:47:53,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:47:53,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:47:53,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f459f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53, skipping insertion in model container [2020-07-01 11:47:53,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:47:53,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:47:53,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:47:53,616 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:47:53,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:47:53,649 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:47:53,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53 WrapperNode [2020-07-01 11:47:53,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:47:53,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:47:53,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:47:53,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:47:53,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:47:53,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:47:53,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:47:53,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:47:53,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:47:53,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:47:53,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:47:53,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:47:53,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (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 11:47:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:47:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:47:53,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:47:53,952 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-01 11:47:53,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:47:53 BoogieIcfgContainer [2020-07-01 11:47:53,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:47:53,957 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:47:53,957 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:47:53,959 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:47:53,960 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:47:53" (1/1) ... [2020-07-01 11:47:53,973 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges [2020-07-01 11:47:53,974 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:47:53,975 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:47:53,976 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:47:53,976 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:47:53,978 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:47:53,979 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:47:53,979 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:47:53,996 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:47:54,012 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 11:47:54,017 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 11:47:54,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:47:54,031 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 11:47:54,033 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 11:47:54,034 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:47:54,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:47:54,034 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:47:54,035 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:47:54,035 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 12 edges [2020-07-01 11:47:54,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:47:54 BasicIcfg [2020-07-01 11:47:54,036 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:47:54,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:47:54,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:47:54,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:47:54,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:47:53" (1/4) ... [2020-07-01 11:47:54,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6aca3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (2/4) ... [2020-07-01 11:47:54,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6aca3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:47:53" (3/4) ... [2020-07-01 11:47:54,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6aca3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:47:54" (4/4) ... [2020-07-01 11:47:54,045 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:47:54,055 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:47:54,062 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:47:54,077 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:47:54,104 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:47:54,104 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:47:54,104 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:47:54,105 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:47:54,105 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:47:54,105 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:47:54,105 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:47:54,105 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:47:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-07-01 11:47:54,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:47:54,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-07-01 11:47:54,182 INFO L268 CegarLoopResult]: For program point L17(lines 17 27) no Hoare annotation was computed. [2020-07-01 11:47:54,182 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:47:54,183 INFO L271 CegarLoopResult]: At program point L13-2(lines 13 31) the Hoare annotation is: true [2020-07-01 11:47:54,183 INFO L271 CegarLoopResult]: At program point L23-2(lines 23 25) the Hoare annotation is: true [2020-07-01 11:47:54,183 INFO L268 CegarLoopResult]: For program point L23-3(lines 17 27) no Hoare annotation was computed. [2020-07-01 11:47:54,184 INFO L268 CegarLoopResult]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-07-01 11:47:54,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:47:54 BasicIcfg [2020-07-01 11:47:54,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:47:54,193 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:47:54,193 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:47:54,197 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:47:54,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:47:54,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:47:53" (1/5) ... [2020-07-01 11:47:54,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbda32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:47:54,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:47:53" (2/5) ... [2020-07-01 11:47:54,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbda32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:47:54,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:47:53" (3/5) ... [2020-07-01 11:47:54,200 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbda32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:47:54,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:47:54" (4/5) ... [2020-07-01 11:47:54,201 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbda32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:47:54, skipping insertion in model container [2020-07-01 11:47:54,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:47:54,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:47:54" (5/5) ... [2020-07-01 11:47:54,203 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:47:54,231 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:47:54,231 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:47:54,231 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:47:54,231 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:47:54,231 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:47:54,231 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:47:54,232 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:47:54,232 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:47:54,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-01 11:47:54,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:47:54,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:47:54,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:47:54,259 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:47:54,259 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:47:54,259 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:47:54,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-01 11:47:54,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 11:47:54,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:47:54,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:47:54,260 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:47:54,261 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-01 11:47:54,266 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [45] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 5#L13-2true [2020-07-01 11:47:54,266 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true [60] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~tmp~0_5 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~xtmp~0_5 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 6#L17true [62] L17-->L23-3: Formula: (and (<= v_ULTIMATE.start_main_~y~0_10 0) (= v_ULTIMATE.start_main_~y~0_9 0)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 8#L23-3true [53] L23-3-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~tmp~0_4) (= v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_4)) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L13-2true [2020-07-01 11:47:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:47:54,273 INFO L82 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 1 times [2020-07-01 11:47:54,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:47:54,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627347165] [2020-07-01 11:47:54,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:47:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:47:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:47:54,352 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:47:54,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:47:54,354 INFO L82 PathProgramCache]: Analyzing trace with hash 89426, now seen corresponding path program 1 times [2020-07-01 11:47:54,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:47:54,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190027321] [2020-07-01 11:47:54,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:47:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:47:54,398 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 11:47:54,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190027321] [2020-07-01 11:47:54,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:47:54,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 11:47:54,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859937480] [2020-07-01 11:47:54,406 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:47:54,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:47:54,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 11:47:54,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 11:47:54,424 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2020-07-01 11:47:54,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:47:54,467 INFO L93 Difference]: Finished difference Result 8 states and 15 transitions. [2020-07-01 11:47:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 11:47:54,470 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 11:47:54,475 INFO L168 Benchmark]: Toolchain (without parser) took 1130.39 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.7 MB in the beginning and 602.7 MB in the end (delta: -41.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,475 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:47:54,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.62 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.7 MB in the beginning and 656.0 MB in the end (delta: -94.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 692.6 MB. Free memory was 656.0 MB in the beginning and 653.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,477 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 692.6 MB. Free memory was 653.3 MB in the beginning and 651.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,478 INFO L168 Benchmark]: RCFGBuilder took 247.42 ms. Allocated memory is still 692.6 MB. Free memory was 651.9 MB in the beginning and 636.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,479 INFO L168 Benchmark]: BlockEncodingV2 took 79.35 ms. Allocated memory is still 692.6 MB. Free memory was 636.5 MB in the beginning and 631.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,479 INFO L168 Benchmark]: TraceAbstraction took 155.58 ms. Allocated memory is still 692.6 MB. Free memory was 629.8 MB in the beginning and 621.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,480 INFO L168 Benchmark]: BuchiAutomizer took 278.65 ms. Allocated memory is still 692.6 MB. Free memory was 621.7 MB in the beginning and 602.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:47:54,484 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 15 edges - StatisticsResult: Encoded RCFG 6 locations, 12 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 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 305.62 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 561.7 MB in the beginning and 656.0 MB in the end (delta: -94.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.64 ms. Allocated memory is still 692.6 MB. Free memory was 656.0 MB in the beginning and 653.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 21.15 ms. Allocated memory is still 692.6 MB. Free memory was 653.3 MB in the beginning and 651.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 247.42 ms. Allocated memory is still 692.6 MB. Free memory was 651.9 MB in the beginning and 636.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.35 ms. Allocated memory is still 692.6 MB. Free memory was 636.5 MB in the beginning and 631.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 155.58 ms. Allocated memory is still 692.6 MB. Free memory was 629.8 MB in the beginning and 621.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 278.65 ms. Allocated memory is still 692.6 MB. Free memory was 621.7 MB in the beginning and 602.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 11:47:50.080 ----------------------------------------------- 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_cVp37q/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:47:54.717 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check