./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/recursive-simple/id2_b3_o2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22bfff7e0bc9ff374f4201c2281f2aec36cb181e ............................................................................................................................................................................................................................................. 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 06:28:44,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:28:44,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:28:44,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:28:44,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:28:44,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:28:44,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:28:44,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:28:44,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:28:44,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:28:44,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:28:44,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:28:44,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:28:44,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:28:44,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:28:44,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:28:44,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:28:44,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:28:44,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:28:44,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:28:44,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:28:44,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:28:44,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:28:44,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:28:44,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:28:44,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:28:44,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:28:44,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:28:44,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:28:44,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:28:44,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:28:44,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:28:44,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:28:44,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:28:44,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:28:44,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:28:44,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:28:44,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:28:44,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:28:44,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:28:44,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:28:44,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-20 06:28:44,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:28:44,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:28:44,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:28:44,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:28:44,542 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:28:44,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:28:44,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:28:44,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:28:44,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:28:44,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:28:44,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:28:44,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:28:44,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:28:44,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:28:44,545 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:28:44,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:28:44,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:28:44,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:28:44,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:28:44,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:28:44,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:28:44,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:28:44,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:28:44,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:28:44,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:28:44,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:28:44,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:28:44,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:28:44,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:28:44,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:28:44,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:28:44,549 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 ! overflow) ) 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 -> 22bfff7e0bc9ff374f4201c2281f2aec36cb181e [2020-10-20 06:28:44,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:28:44,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:28:44,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:28:44,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:28:44,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:28:44,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2020-10-20 06:28:44,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5034b5eb2/1c5944f76d78400aa34dcf451bfd5f4b/FLAG6ed447686 [2020-10-20 06:28:45,280 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:28:45,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2020-10-20 06:28:45,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5034b5eb2/1c5944f76d78400aa34dcf451bfd5f4b/FLAG6ed447686 [2020-10-20 06:28:45,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5034b5eb2/1c5944f76d78400aa34dcf451bfd5f4b [2020-10-20 06:28:45,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:28:45,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:28:45,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:28:45,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:28:45,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:28:45,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:28:45" (1/1) ... [2020-10-20 06:28:45,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:45, skipping insertion in model container [2020-10-20 06:28:45,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:28:45" (1/1) ... [2020-10-20 06:28:45,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:28:45,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:28:45,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:28:45,980 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:28:46,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:28:46,018 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:28:46,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46 WrapperNode [2020-10-20 06:28:46,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:28:46,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:28:46,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:28:46,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:28:46,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:28:46,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:28:46,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:28:46,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:28:46,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (1/1) ... [2020-10-20 06:28:46,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:28:46,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:28:46,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:28:46,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:28:46,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (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 06:28:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:28:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:28:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-10-20 06:28:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-10-20 06:28:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:28:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:28:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-20 06:28:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-20 06:28:46,353 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:28:46,353 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-20 06:28:46,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:28:46 BoogieIcfgContainer [2020-10-20 06:28:46,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:28:46,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:28:46,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:28:46,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:28:46,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:28:45" (1/3) ... [2020-10-20 06:28:46,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c69c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:28:46, skipping insertion in model container [2020-10-20 06:28:46,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:28:46" (2/3) ... [2020-10-20 06:28:46,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c69c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:28:46, skipping insertion in model container [2020-10-20 06:28:46,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:28:46" (3/3) ... [2020-10-20 06:28:46,365 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b3_o2.c [2020-10-20 06:28:46,377 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:28:46,383 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:28:46,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:28:46,415 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:28:46,416 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:28:46,416 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:28:46,416 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:28:46,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:28:46,417 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:28:46,417 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:28:46,417 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:28:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-20 06:28:46,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:28:46,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-10-20 06:28:46,502 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-10-20 06:28:46,502 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-10-20 06:28:46,502 INFO L274 CegarLoopResult]: For program point id2EXIT(lines 16 21) no Hoare annotation was computed. [2020-10-20 06:28:46,502 INFO L277 CegarLoopResult]: At program point id2ENTRY(lines 16 21) the Hoare annotation is: true [2020-10-20 06:28:46,503 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-10-20 06:28:46,503 INFO L274 CegarLoopResult]: For program point id2FINAL(lines 16 21) no Hoare annotation was computed. [2020-10-20 06:28:46,503 INFO L277 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-10-20 06:28:46,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:28:46,503 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 06:28:46,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L277 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point L23(lines 23 29) no Hoare annotation was computed. [2020-10-20 06:28:46,504 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-20 06:28:46,505 INFO L274 CegarLoopResult]: For program point idFINAL(lines 9 14) no Hoare annotation was computed. [2020-10-20 06:28:46,505 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-20 06:28:46,506 INFO L277 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-10-20 06:28:46,506 INFO L274 CegarLoopResult]: For program point idEXIT(lines 9 14) no Hoare annotation was computed. [2020-10-20 06:28:46,506 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-10-20 06:28:46,506 INFO L274 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-10-20 06:28:46,506 INFO L277 CegarLoopResult]: At program point idENTRY(lines 9 14) the Hoare annotation is: true [2020-10-20 06:28:46,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:28:46 BoogieIcfgContainer [2020-10-20 06:28:46,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:28:46,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:28:46,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:28:46,513 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:28:46,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:28:46" (3/4) ... [2020-10-20 06:28:46,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:28:46,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-10-20 06:28:46,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-10-20 06:28:46,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 06:28:46,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:28:46,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:28:46,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:28:46,596 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:28:46,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:28:46,600 INFO L168 Benchmark]: Toolchain (without parser) took 927.76 ms. Allocated memory was 34.6 MB in the beginning and 46.7 MB in the end (delta: 12.1 MB). Free memory was 6.5 MB in the beginning and 27.2 MB in the end (delta: -20.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,602 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 34.6 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.20 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.9 MB in the beginning and 27.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.27 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 25.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,609 INFO L168 Benchmark]: Boogie Preprocessor took 17.36 ms. Allocated memory is still 45.1 MB. Free memory was 25.9 MB in the beginning and 24.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,610 INFO L168 Benchmark]: RCFGBuilder took 284.92 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 24.7 MB in the beginning and 24.2 MB in the end (delta: 479.9 kB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,611 INFO L168 Benchmark]: TraceAbstraction took 155.02 ms. Allocated memory is still 46.7 MB. Free memory was 23.6 MB in the beginning and 13.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,612 INFO L168 Benchmark]: Witness Printer took 84.61 ms. Allocated memory is still 46.7 MB. Free memory was 13.4 MB in the beginning and 27.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:28:46,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 34.6 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 330.20 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.9 MB in the beginning and 27.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 33.27 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 25.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 17.36 ms. Allocated memory is still 45.1 MB. Free memory was 25.9 MB in the beginning and 24.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 284.92 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 24.7 MB in the beginning and 24.2 MB in the end (delta: 479.9 kB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 155.02 ms. Allocated memory is still 46.7 MB. Free memory was 23.6 MB in the beginning and 13.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. * Witness Printer took 84.61 ms. Allocated memory is still 46.7 MB. Free memory was 13.4 MB in the beginning and 27.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 2.1 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 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=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...