/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 11:06:05,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:06:05,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:06:05,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:06:05,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:06:05,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:06:05,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:06:05,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:06:05,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:06:05,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:06:05,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:06:05,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:06:05,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:06:05,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:06:05,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:06:05,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:06:05,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:06:05,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:06:05,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:06:05,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:06:05,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:06:05,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:06:05,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:06:05,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:06:05,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:06:05,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:06:05,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:06:05,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:06:05,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:06:05,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:06:05,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:06:05,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:06:05,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:06:05,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:06:05,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:06:05,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:06:05,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:06:05,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:06:05,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:06:05,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:06:05,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:06:05,967 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 11:06:05,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:06:05,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:06:05,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:06:05,983 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:06:05,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:06:05,983 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:06:05,983 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:06:05,983 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:06:05,983 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:06:05,984 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:06:05,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:06:05,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:06:05,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:06:05,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:06:05,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:06:05,986 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:06:05,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:06:05,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:06:05,986 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:06:05,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:06:05,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:06:05,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:06:05,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:06:05,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:06:06,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:06:06,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:06:06,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:06:06,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:06:06,170 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:06:06,170 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:06:06,229 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_gyz30_/tmp/ff59320a07af43b996647ac7e219aab1/FLAG074da4602 [2020-07-01 11:06:06,558 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:06:06,559 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:06:06,565 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_gyz30_/tmp/ff59320a07af43b996647ac7e219aab1/FLAG074da4602 [2020-07-01 11:06:06,970 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_gyz30_/tmp/ff59320a07af43b996647ac7e219aab1 [2020-07-01 11:06:06,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:06:06,982 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:06:06,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:06:06,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:06:06,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:06:06,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:06:06" (1/1) ... [2020-07-01 11:06:06,991 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 11:06:06, skipping insertion in model container [2020-07-01 11:06:06,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:06:06" (1/1) ... [2020-07-01 11:06:07,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:06:07,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:06:07,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:06:07,241 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:06:07,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:06:07,270 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:06:07,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07 WrapperNode [2020-07-01 11:06:07,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:06:07,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:06:07,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:06:07,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:06:07,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:06:07,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:06:07,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:06:07,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:06:07,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:06:07,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:06:07,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:06:07,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:06:07,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (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 11:06:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:06:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:06:07,493 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:06:07,493 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 11:06:07,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:06:07 BoogieIcfgContainer [2020-07-01 11:06:07,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:06:07,497 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:06:07,497 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:06:07,499 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:06:07,500 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:06:07" (1/1) ... [2020-07-01 11:06:07,512 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-07-01 11:06:07,513 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:06:07,514 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:06:07,514 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:06:07,515 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:06:07,516 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:06:07,517 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:06:07,517 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:06:07,534 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:06:07,538 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 11:06:07,544 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 11:06:07,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:06:07,559 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 11:06:07,561 INFO L70 RemoveSinkStates]: Removed 1 edges and 2 locations by removing sink states [2020-07-01 11:06:07,563 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:06:07,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:06:07,563 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:06:07,563 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:06:07,563 INFO L313 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2020-07-01 11:06:07,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:06:07 BasicIcfg [2020-07-01 11:06:07,564 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:06:07,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:06:07,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:06:07,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:06:07,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:06:06" (1/4) ... [2020-07-01 11:06:07,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362b32dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (2/4) ... [2020-07-01 11:06:07,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362b32dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:06:07" (3/4) ... [2020-07-01 11:06:07,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362b32dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:06:07" (4/4) ... [2020-07-01 11:06:07,573 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:06:07,583 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:06:07,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:06:07,604 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:06:07,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:06:07,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:06:07,626 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:06:07,626 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:06:07,626 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:06:07,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:06:07,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:06:07,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:06:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2020-07-01 11:06:07,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:06:07,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states. [2020-07-01 11:06:07,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:06:07 BasicIcfg [2020-07-01 11:06:07,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:06:07,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:06:07,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:06:07,652 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:06:07,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:06:07,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:06:06" (1/5) ... [2020-07-01 11:06:07,654 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50bf4f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:06:07,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:06:07" (2/5) ... [2020-07-01 11:06:07,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50bf4f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:06:07,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:06:07" (3/5) ... [2020-07-01 11:06:07,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50bf4f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:06:07,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:06:07" (4/5) ... [2020-07-01 11:06:07,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50bf4f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:06:07, skipping insertion in model container [2020-07-01 11:06:07,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:06:07,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:06:07" (5/5) ... [2020-07-01 11:06:07,658 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:06:07,685 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:06:07,686 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:06:07,686 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:06:07,686 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:06:07,687 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:06:07,687 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:06:07,687 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:06:07,687 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:06:07,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states. [2020-07-01 11:06:07,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 11:06:07,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 11:06:07,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:06:07 BasicIcfg [2020-07-01 11:06:07,708 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 11:06:07,711 INFO L168 Benchmark]: Toolchain (without parser) took 727.32 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 439.1 MB in the beginning and 499.6 MB in the end (delta: -60.5 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:06:07,711 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:06:07,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.21 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 438.5 MB in the beginning and 529.3 MB in the end (delta: -90.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.94 ms. Allocated memory is still 561.0 MB. Free memory was 529.3 MB in the beginning and 527.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,713 INFO L168 Benchmark]: Boogie Preprocessor took 18.21 ms. Allocated memory is still 561.0 MB. Free memory was 527.2 MB in the beginning and 526.6 MB in the end (delta: 673.7 kB). Peak memory consumption was 673.7 kB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,714 INFO L168 Benchmark]: RCFGBuilder took 174.77 ms. Allocated memory is still 561.0 MB. Free memory was 525.9 MB in the beginning and 516.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,715 INFO L168 Benchmark]: BlockEncodingV2 took 67.19 ms. Allocated memory is still 561.0 MB. Free memory was 516.4 MB in the beginning and 511.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,715 INFO L168 Benchmark]: TraceAbstraction took 82.19 ms. Allocated memory is still 561.0 MB. Free memory was 510.4 MB in the beginning and 505.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,716 INFO L168 Benchmark]: BuchiAutomizer took 59.89 ms. Allocated memory is still 561.0 MB. Free memory was 504.3 MB in the beginning and 499.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:06:07,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 0 locations, 0 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 287.21 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 438.5 MB in the beginning and 529.3 MB in the end (delta: -90.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 31.94 ms. Allocated memory is still 561.0 MB. Free memory was 529.3 MB in the beginning and 527.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.21 ms. Allocated memory is still 561.0 MB. Free memory was 527.2 MB in the beginning and 526.6 MB in the end (delta: 673.7 kB). Peak memory consumption was 673.7 kB. Max. memory is 50.3 GB. * RCFGBuilder took 174.77 ms. Allocated memory is still 561.0 MB. Free memory was 525.9 MB in the beginning and 516.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 67.19 ms. Allocated memory is still 561.0 MB. Free memory was 516.4 MB in the beginning and 511.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 82.19 ms. Allocated memory is still 561.0 MB. Free memory was 510.4 MB in the beginning and 505.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 59.89 ms. Allocated memory is still 561.0 MB. Free memory was 504.3 MB in the beginning and 499.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 0 procedures, 0 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=0occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 11:06:03.750 ----------------------------------------------- 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_gyz30_/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:06:07.953 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check