./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/BallRajamani-SPIN2000-Fig1.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 ccae6f392e1d87c0b193f39dee91a5c51306cb93 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:24:14,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:24:14,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:24:14,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:24:14,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:24:14,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:24:14,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:24:14,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:24:14,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:24:14,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:24:14,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:24:14,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:24:14,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:24:14,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:24:14,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:24:14,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:24:14,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:24:14,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:24:14,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:24:14,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:24:14,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:24:14,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:24:14,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:24:14,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:24:14,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:24:14,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:24:14,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:24:14,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:24:14,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:24:14,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:24:14,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:24:14,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:24:14,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:24:14,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:24:14,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:24:14,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:24:14,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:24:14,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:24:14,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:24:14,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:24:14,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:24:14,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:24:14,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:24:14,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:24:14,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:24:14,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:24:14,176 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:24:14,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:24:14,176 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:24:14,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:24:14,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:24:14,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:24:14,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:24:14,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:24:14,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:24:14,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:24:14,180 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:24:14,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:24:14,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:24:14,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:24:14,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:24:14,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:24:14,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:24:14,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:24:14,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:24:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:14,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:24:14,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:24:14,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:24:14,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:24:14,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:24:14,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:24:14,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:24:14,184 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 -> ccae6f392e1d87c0b193f39dee91a5c51306cb93 [2020-07-29 01:24:14,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:24:14,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:24:14,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:24:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:24:14,490 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:24:14,491 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2020-07-29 01:24:14,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71707dd3c/d19df0940a0e45b0a1a8b25e4d7d0f45/FLAG3382f7610 [2020-07-29 01:24:15,061 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:24:15,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2020-07-29 01:24:15,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71707dd3c/d19df0940a0e45b0a1a8b25e4d7d0f45/FLAG3382f7610 [2020-07-29 01:24:15,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71707dd3c/d19df0940a0e45b0a1a8b25e4d7d0f45 [2020-07-29 01:24:15,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:24:15,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:24:15,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:15,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:24:15,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:24:15,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5101c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15, skipping insertion in model container [2020-07-29 01:24:15,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:24:15,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:24:15,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:15,633 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:24:15,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:15,666 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:24:15,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15 WrapperNode [2020-07-29 01:24:15,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:15,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:15,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:24:15,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:24:15,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:15,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:24:15,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:24:15,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:24:15,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (1/1) ... [2020-07-29 01:24:15,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:24:15,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:24:15,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:24:15,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:24:15,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (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 [2020-07-29 01:24:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure A [2020-07-29 01:24:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2020-07-29 01:24:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:24:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:24:16,075 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:24:16,075 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 01:24:16,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:16 BoogieIcfgContainer [2020-07-29 01:24:16,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:24:16,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:24:16,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:24:16,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:24:16,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:24:15" (1/3) ... [2020-07-29 01:24:16,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e58609e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:16, skipping insertion in model container [2020-07-29 01:24:16,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:15" (2/3) ... [2020-07-29 01:24:16,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e58609e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:16, skipping insertion in model container [2020-07-29 01:24:16,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:16" (3/3) ... [2020-07-29 01:24:16,088 INFO L109 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2020-07-29 01:24:16,100 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:24:16,115 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:24:16,152 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:24:16,184 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:24:16,184 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:24:16,184 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:24:16,184 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:24:16,185 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:24:16,185 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:24:16,185 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:24:16,185 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:24:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-29 01:24:16,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:16,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-07-29 01:24:16,297 INFO L268 CegarLoopResult]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-07-29 01:24:16,297 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-07-29 01:24:16,297 INFO L268 CegarLoopResult]: For program point L17-2(lines 16 22) no Hoare annotation was computed. [2020-07-29 01:24:16,297 INFO L271 CegarLoopResult]: At program point AENTRY(lines 16 22) the Hoare annotation is: true [2020-07-29 01:24:16,297 INFO L268 CegarLoopResult]: For program point AEXIT(lines 16 22) no Hoare annotation was computed. [2020-07-29 01:24:16,298 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-29 01:24:16,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:24:16,298 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-29 01:24:16,298 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-29 01:24:16,298 INFO L268 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-07-29 01:24:16,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:24:16,299 INFO L271 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-07-29 01:24:16,299 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:24:16,299 INFO L271 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: true [2020-07-29 01:24:16,299 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-07-29 01:24:16,299 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2020-07-29 01:24:16,299 INFO L268 CegarLoopResult]: For program point L25(lines 25 33) no Hoare annotation was computed. [2020-07-29 01:24:16,305 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-29 01:24:16,305 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:24:16,306 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-29 01:24:16,306 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-29 01:24:16,306 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-29 01:24:16,306 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-29 01:24:16,308 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-29 01:24:16,308 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-29 01:24:16,308 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-29 01:24:16,308 WARN L170 areAnnotationChecker]: AEXIT has no Hoare annotation [2020-07-29 01:24:16,308 WARN L170 areAnnotationChecker]: AEXIT has no Hoare annotation [2020-07-29 01:24:16,309 WARN L170 areAnnotationChecker]: AEXIT has no Hoare annotation [2020-07-29 01:24:16,309 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-29 01:24:16,309 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-29 01:24:16,309 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-29 01:24:16,309 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-29 01:24:16,310 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-29 01:24:16,310 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-29 01:24:16,310 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-29 01:24:16,310 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:16,310 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:24:16,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:24:16 BoogieIcfgContainer [2020-07-29 01:24:16,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:24:16,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:24:16,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:24:16,315 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:24:16,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:16" (3/4) ... [2020-07-29 01:24:16,320 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:24:16,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2020-07-29 01:24:16,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-29 01:24:16,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-29 01:24:16,382 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:24:16,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:24:16,386 INFO L168 Benchmark]: Toolchain (without parser) took 963.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:16,387 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:16,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.20 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:16,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.53 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:16,389 INFO L168 Benchmark]: Boogie Preprocessor took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:16,390 INFO L168 Benchmark]: RCFGBuilder took 356.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:16,390 INFO L168 Benchmark]: TraceAbstraction took 232.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:16,391 INFO L168 Benchmark]: Witness Printer took 68.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:16,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.20 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.53 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 356.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 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 2 procedures, 17 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=17occurred 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, 4 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 4 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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...