./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77d7e2448d995d637d357e380e1280cad8f0d69a ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:14:41,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:14:41,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:14:41,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:14:41,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:14:41,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:14:41,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:14:41,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:14:41,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:14:41,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:14:41,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:14:41,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:14:41,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:14:41,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:14:41,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:14:41,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:14:41,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:14:41,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:14:41,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:14:41,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:14:41,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:14:41,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:14:41,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:14:41,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:14:41,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:14:41,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:14:41,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:14:41,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:14:41,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:14:41,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:14:41,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:14:41,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:14:41,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:14:41,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:14:41,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:14:41,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:14:41,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:14:41,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:14:41,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:14:41,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:14:41,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:14:41,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:14:41,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:14:41,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:14:41,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:14:41,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:14:41,888 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:14:41,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:14:41,889 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:14:41,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:14:41,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:14:41,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:14:41,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:14:41,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:14:41,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:14:41,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:14:41,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:14:41,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:14:41,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:14:41,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:14:41,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:14:41,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:14:41,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:14:41,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:14:41,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:14:41,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:14:41,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77d7e2448d995d637d357e380e1280cad8f0d69a [2020-10-20 01:14:42,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:14:42,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:14:42,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:14:42,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:14:42,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:14:42,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/dijkstra_valuebound2.c [2020-10-20 01:14:42,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f6535f/daa3866b7ab74f96abf8b11b84d554ff/FLAG56e3d0c5b [2020-10-20 01:14:42,656 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:14:42,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra_valuebound2.c [2020-10-20 01:14:42,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f6535f/daa3866b7ab74f96abf8b11b84d554ff/FLAG56e3d0c5b [2020-10-20 01:14:43,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6f6535f/daa3866b7ab74f96abf8b11b84d554ff [2020-10-20 01:14:43,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:14:43,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:14:43,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:43,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:14:43,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:14:43,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167ad720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43, skipping insertion in model container [2020-10-20 01:14:43,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:14:43,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:14:43,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:43,402 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:14:43,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:43,450 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:14:43,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43 WrapperNode [2020-10-20 01:14:43,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:43,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:43,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:14:43,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:14:43,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:43,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:14:43,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:14:43,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:14:43,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... [2020-10-20 01:14:43,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:14:43,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:14:43,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:14:43,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:14:43,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:14:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:14:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:14:46,056 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:14:46,057 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-10-20 01:14:46,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:46 BoogieIcfgContainer [2020-10-20 01:14:46,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:14:46,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:14:46,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:14:46,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:14:46,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:14:43" (1/3) ... [2020-10-20 01:14:46,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71756322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:46, skipping insertion in model container [2020-10-20 01:14:46,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:43" (2/3) ... [2020-10-20 01:14:46,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71756322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:46, skipping insertion in model container [2020-10-20 01:14:46,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:46" (3/3) ... [2020-10-20 01:14:46,078 INFO L111 eAbstractionObserver]: Analyzing ICFG dijkstra_valuebound2.c [2020-10-20 01:14:46,099 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:14:46,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:14:46,119 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:14:46,141 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:14:46,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:14:46,141 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:14:46,142 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:14:46,142 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:14:46,142 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:14:46,143 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:14:46,143 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:14:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-20 01:14:46,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:14:46,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 29 states. [2020-10-20 01:14:46,276 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,277 INFO L277 CegarLoopResult]: At program point L11-1(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,277 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,277 INFO L277 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,277 INFO L274 CegarLoopResult]: For program point L11-4(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,277 INFO L277 CegarLoopResult]: At program point L11-5(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,278 INFO L274 CegarLoopResult]: For program point L11-6(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,278 INFO L277 CegarLoopResult]: At program point L11-7(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,278 INFO L274 CegarLoopResult]: For program point L11-8(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,278 INFO L274 CegarLoopResult]: For program point L36-1(lines 36 54) no Hoare annotation was computed. [2020-10-20 01:14:46,278 INFO L277 CegarLoopResult]: At program point L11-9(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,278 INFO L274 CegarLoopResult]: For program point L11-10(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,279 INFO L277 CegarLoopResult]: At program point L11-11(lines 44 45) the Hoare annotation is: true [2020-10-20 01:14:46,279 INFO L274 CegarLoopResult]: For program point L11-12(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,279 INFO L277 CegarLoopResult]: At program point L11-13(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:14:46,280 INFO L274 CegarLoopResult]: For program point L11-14(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,280 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:14:46,280 INFO L277 CegarLoopResult]: At program point L11-15(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,280 INFO L274 CegarLoopResult]: For program point L11-16(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:14:46,280 INFO L277 CegarLoopResult]: At program point L28-2(lines 28 33) the Hoare annotation is: true [2020-10-20 01:14:46,280 INFO L277 CegarLoopResult]: At program point L11-17(lines 10 16) the Hoare annotation is: true [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:14:46,281 INFO L277 CegarLoopResult]: At program point L58(lines 18 59) the Hoare annotation is: true [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-10-20 01:14:46,281 INFO L274 CegarLoopResult]: For program point L50-2(lines 18 59) no Hoare annotation was computed. [2020-10-20 01:14:46,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:14:46 BoogieIcfgContainer [2020-10-20 01:14:46,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:14:46,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:14:46,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:14:46,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:14:46,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:46" (3/4) ... [2020-10-20 01:14:46,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:14:46,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-10-20 01:14:46,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:14:46,361 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:14:46,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:14:46,364 INFO L168 Benchmark]: Toolchain (without parser) took 3342.23 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 18.1 MB in the beginning and 20.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,365 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 33.6 MB. Free memory was 9.7 MB in the beginning and 9.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.90 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 17.2 MB in the beginning and 25.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.67 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,367 INFO L168 Benchmark]: Boogie Preprocessor took 26.94 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 22.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,367 INFO L168 Benchmark]: RCFGBuilder took 2542.40 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 22.4 MB in the beginning and 19.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,368 INFO L168 Benchmark]: TraceAbstraction took 228.79 ms. Allocated memory is still 45.6 MB. Free memory was 19.0 MB in the beginning and 24.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,369 INFO L168 Benchmark]: Witness Printer took 69.59 ms. Allocated memory is still 45.6 MB. Free memory was 24.7 MB in the beginning and 20.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:46,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 33.6 MB. Free memory was 9.7 MB in the beginning and 9.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 423.90 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 17.2 MB in the beginning and 25.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 39.67 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.94 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 22.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2542.40 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 22.4 MB in the beginning and 19.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 228.79 ms. Allocated memory is still 45.6 MB. Free memory was 19.0 MB in the beginning and 24.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Witness Printer took 69.59 ms. Allocated memory is still 45.6 MB. Free memory was 24.7 MB in the beginning and 20.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...