YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:55:53,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:55:53,999 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:55:54,010 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:55:54,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:55:54,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:55:54,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:55:54,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:55:54,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:55:54,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:55:54,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:55:54,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:55:54,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:55:54,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:55:54,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:55:54,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:55:54,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:55:54,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:55:54,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:55:54,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:55:54,027 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:55:54,028 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:55:54,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:55:54,031 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:55:54,031 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:55:54,032 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:55:54,032 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:55:54,033 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:55:54,034 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:55:54,034 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:55:54,035 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:55:54,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:55:54,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:55:54,037 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:55:54,037 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:55:54,037 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:55:54,038 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:55:54,039 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:55:54,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:55:54,039 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 03:55:54,054 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:55:54,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:55:54,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:55:54,055 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:55:54,055 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:55:54,055 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:55:54,056 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:55:54,056 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:55:54,056 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:55:54,056 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:55:54,056 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:55:54,057 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:55:54,057 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:55:54,057 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:55:54,057 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:55:54,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:55:54,057 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:55:54,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:55:54,058 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:55:54,058 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:55:54,058 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:55:54,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:55:54,058 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:55:54,059 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:55:54,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:55:54,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:55:54,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:55:54,059 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:55:54,059 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:55:54,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:55:54,097 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:55:54,100 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:55:54,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:55:54,102 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:55:54,102 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 03:55:54,169 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/629722ea1bc8443381c1e8f11f2f3e56/FLAG97ab359a1 !SESSION 2020-06-22 03:55:51.683 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2020-06-22 03:55:54.433 !MESSAGE Indexed 'FLAG97ab359a1' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2020-06-22 03:55:54,505 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:55:54,506 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 03:55:54,512 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/629722ea1bc8443381c1e8f11f2f3e56/FLAG97ab359a1 [2020-06-22 03:55:54,953 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/629722ea1bc8443381c1e8f11f2f3e56 [2020-06-22 03:55:54,964 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:55:54,966 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:55:54,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:55:54,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:55:54,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:55:54,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:55:54" (1/1) ... [2020-06-22 03:55:54,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad76258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:54, skipping insertion in model container [2020-06-22 03:55:54,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:55:54" (1/1) ... [2020-06-22 03:55:54,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:55:54,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:55:55,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:55:55,152 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:55:55,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:55:55,234 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:55:55,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55 WrapperNode [2020-06-22 03:55:55,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:55:55,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:55:55,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:55:55,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:55:55,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:55:55,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:55:55,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:55:55,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:55:55,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:55:55,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:55:55,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:55:55,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:55:55,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (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 [2020-06-22 03:55:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:55:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:55:55,463 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:55:55,463 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 03:55:55,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:55:55 BoogieIcfgContainer [2020-06-22 03:55:55,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:55:55,465 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:55:55,465 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:55:55,467 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:55:55,468 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:55:55" (1/1) ... [2020-06-22 03:55:55,482 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 03:55:55,483 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:55:55,484 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:55:55,484 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:55:55,485 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:55:55,487 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:55:55,487 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:55:55,488 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:55:55,501 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:55:55,515 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 03:55:55,519 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 03:55:55,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:55:55,533 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 03:55:55,535 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 03:55:55,536 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:55:55,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:55:55,537 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:55:55,537 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:55:55,537 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 03:55:55,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:55:55 BasicIcfg [2020-06-22 03:55:55,538 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:55:55,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:55:55,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:55:55,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:55:55,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:55:54" (1/4) ... [2020-06-22 03:55:55,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbff82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (2/4) ... [2020-06-22 03:55:55,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbff82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:55:55" (3/4) ... [2020-06-22 03:55:55,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbff82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:55:55" (4/4) ... [2020-06-22 03:55:55,546 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:55:55,555 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:55:55,562 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:55:55,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:55:55,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:55:55,608 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:55:55,608 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:55:55,608 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:55:55,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:55:55,609 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:55:55,609 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:55:55,609 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:55:55,609 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:55:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 03:55:55,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:55:55,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 03:55:55,679 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2020-06-22 03:55:55,680 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:55:55,680 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 14 20) the Hoare annotation is: true [2020-06-22 03:55:55,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:55:55 BasicIcfg [2020-06-22 03:55:55,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:55:55,688 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:55:55,688 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:55:55,692 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:55:55,693 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:55:55,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:55:54" (1/5) ... [2020-06-22 03:55:55,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529c591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,694 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:55:55,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:55:55" (2/5) ... [2020-06-22 03:55:55,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529c591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,694 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:55:55,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:55:55" (3/5) ... [2020-06-22 03:55:55,695 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529c591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,695 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:55:55,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:55:55" (4/5) ... [2020-06-22 03:55:55,695 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529c591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:55:55, skipping insertion in model container [2020-06-22 03:55:55,696 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:55:55,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:55:55" (5/5) ... [2020-06-22 03:55:55,697 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:55:55,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:55:55,724 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:55:55,724 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:55:55,724 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:55:55,724 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:55:55,725 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:55:55,725 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:55:55,725 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:55:55,725 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:55:55,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 03:55:55,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 03:55:55,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:55:55,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:55:55,754 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 03:55:55,754 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:55:55,754 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:55:55,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 03:55:55,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 03:55:55,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:55:55,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:55:55,755 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 03:55:55,755 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:55:55,760 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L15-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L15-2true [2020-06-22 03:55:55,761 INFO L796 eck$LassoCheckResult]: Loop: 5#L15-2true [31] L15-2-->L15: Formula: (< v_ULTIMATE.start_main_~i~0_5 255) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[] 3#L15true [35] L15-->L15-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet1_3|)) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~i~0] 5#L15-2true [2020-06-22 03:55:55,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:55:55,767 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-22 03:55:55,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:55:55,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:55:55,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:55:55,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:55:55,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1957, now seen corresponding path program 1 times [2020-06-22 03:55:55,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:55:55,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:55:55,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:55:55,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:55:55,851 INFO L82 PathProgramCache]: Analyzing trace with hash 56734, now seen corresponding path program 1 times [2020-06-22 03:55:55,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:55:55,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:55:55,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:55:55,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:55:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:55:55,901 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:55:55,903 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:55:55,903 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:55:55,903 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:55:55,903 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:55:55,903 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:55:55,903 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:55:55,904 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:55:55,904 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 03:55:55,904 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:55:55,904 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:55:55,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:55:55,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:55:55,980 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:55:55,981 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:55:55,992 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:55:55,992 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:55:56,027 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:55:56,028 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:55:56,059 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:55:56,062 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:55:56,062 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:55:56,062 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:55:56,062 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:55:56,062 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:55:56,062 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:55:56,062 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:55:56,063 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:55:56,063 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 03:55:56,063 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:55:56,063 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:55:56,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:55:56,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:55:56,101 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:55:56,107 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:55:56,109 INFO L122 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 [2020-06-22 03:55:56,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:55:56,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:55:56,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:55:56,111 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:55:56,111 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:55:56,114 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:55:56,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:55:56,121 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:55:56,129 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:55:56,129 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:55:56,131 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:55:56,131 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 03:55:56,132 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:55:56,132 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 509 Supporting invariants [] [2020-06-22 03:55:56,133 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 03:55:56,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:55:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:55:56,173 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 03:55:56,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:55:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:55:56,185 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:55:56,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:55:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:55:56,232 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:55:56,237 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 2 loop predicates [2020-06-22 03:55:56,239 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 03:55:56,284 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 5 states and 8 transitions. Complement of second has 4 states. [2020-06-22 03:55:56,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 03:55:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 03:55:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-06-22 03:55:56,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 03:55:56,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:55:56,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 03:55:56,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:55:56,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 03:55:56,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:55:56,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 8 transitions. [2020-06-22 03:55:56,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:55:56,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2020-06-22 03:55:56,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 03:55:56,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 03:55:56,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 03:55:56,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:55:56,303 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:55:56,303 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:55:56,303 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:55:56,304 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 03:55:56,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 03:55:56,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:55:56,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 03:55:56,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:55:56 BasicIcfg [2020-06-22 03:55:56,310 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:55:56,310 INFO L168 Benchmark]: Toolchain (without parser) took 1345.92 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 566.1 MB in the beginning and 546.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 39.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,312 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 03:55:56,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.99 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 565.0 MB in the beginning and 635.8 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 669.0 MB. Free memory was 635.8 MB in the beginning and 633.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,314 INFO L168 Benchmark]: Boogie Preprocessor took 17.88 ms. Allocated memory is still 669.0 MB. Free memory was 633.5 MB in the beginning and 630.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,315 INFO L168 Benchmark]: RCFGBuilder took 178.09 ms. Allocated memory is still 669.0 MB. Free memory was 630.7 MB in the beginning and 618.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,315 INFO L168 Benchmark]: BlockEncodingV2 took 72.82 ms. Allocated memory is still 669.0 MB. Free memory was 618.3 MB in the beginning and 612.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,316 INFO L168 Benchmark]: TraceAbstraction took 148.86 ms. Allocated memory is still 669.0 MB. Free memory was 612.9 MB in the beginning and 604.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,317 INFO L168 Benchmark]: BuchiAutomizer took 621.92 ms. Allocated memory is still 669.0 MB. Free memory was 604.2 MB in the beginning and 546.2 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 50.3 GB. [2020-06-22 03:55:56,321 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 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 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 268.99 ms. Allocated memory was 649.6 MB in the beginning and 669.0 MB in the end (delta: 19.4 MB). Free memory was 565.0 MB in the beginning and 635.8 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.34 ms. Allocated memory is still 669.0 MB. Free memory was 635.8 MB in the beginning and 633.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.88 ms. Allocated memory is still 669.0 MB. Free memory was 633.5 MB in the beginning and 630.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * RCFGBuilder took 178.09 ms. Allocated memory is still 669.0 MB. Free memory was 630.7 MB in the beginning and 618.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.82 ms. Allocated memory is still 669.0 MB. Free memory was 618.3 MB in the beginning and 612.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 148.86 ms. Allocated memory is still 669.0 MB. Free memory was 612.9 MB in the beginning and 604.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 621.92 ms. Allocated memory is still 669.0 MB. Free memory was 604.2 MB in the beginning and 546.2 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 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: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 509 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 3 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 03:55:56.551 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check